To Washington, D.C.

Cheap Flights from London to Washington, D.C.

Browse current best options from London. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

London

RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from London to Washington, D.C.

Explore current cheapest deals departing from London to Washington, D.C.

Round trip

Sort by: Cheapest

October 12 - October 26

Cheapest

LHR - Washington, D.C.

$662

$509

Round trip

October 21 - October 30

LGW - Washington, D.C.

$543

$512

Round trip

July 9 - July 29

Earliest

LHR - Washington, D.C.

$745

$513

Round trip

October 23 - October 30

LHR - Washington, D.C.

$667

$513

Round trip

October 20 - October 30

LHR - Washington, D.C.

$662

$513

Round trip

October 23 - October 28

LGW - Washington, D.C.

$555

$514

Round trip

December 16 - December 30

Best

LGW - Washington, D.C.

$928

$515

Round trip

September 3 - September 6

LHR - Washington, D.C.

$718

$516

Round trip

December 17 - December 27

Best

LGW - Washington, D.C.

$897

$516

Round trip

October 9 - October 17

LGW - Washington, D.C.

$541

$517

Round trip

Unlock all 500+ flight deals to Washington, D.C. and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from London to Washington, D.C.

Fares for flights from London to Washington, D.C. typically range from $806–$1367, with a median of $1073. Right now, current fares are near the typical level for this route. Only 11% of recent fares were classified as a good price, indicating that finding an exceptionally low fare can be challenging.

When considering cheap flights from London to Washington, D.C., the cheapest months to fly are typically January, with a median fare of $623, and February, with a median fare of $632. September also offers more competitive pricing, with a median fare of $750.

A typical journey from London to Washington, D.C. takes about 24h 1m, including connections. Given that most itineraries connect at least once, this duration reflects the time spent on connecting flights. Only 14.2% of recent fares were for direct flights from London to Washington, D.C., meaning most travelers will have at least one stopover, with a median of 2 stopovers for connecting itineraries.

The distance between London and Washington, D.C. is approximately 5881 km, classifying this as a long-haul journey. This distance typically involves significant travel time, often requiring connecting flights to complete the trip. New deals for this route appear almost daily, suggesting frequent opportunities to find fares.

How much is a round trip from London to Washington, D.C.

Regular price: $579 - $883

Prices for flights from London to Washington, D.C. are currently below the regular range.

Regular prices for this route typically range from $579 to $883. The current lowest deal is $509 with Icelandair, for travel from Oct 12-Oct 26.

now $509

Low $579

High $883

The cheapest time to fly from London to Washington, D.C.

The cheapest month to fly from London to Washington is January, with a median price of $623. The most expensive month is July, with a median price of $1270. Prices are generally lower from January to December.

January

Cheapest

Flights from $623

July

Most Expensive

Flights from $1,270

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from London to Washington, D.C.

British Airways

Last-minute flights going from London to Washington, D.C.

Tue, Jul 7

⌛ Last-Minute

LHR - Washington, D.C.

London (LHR) - Washington, D.C. (IAD)

Icelandair

$779

$527

One-way

Tue, Jul 7

⌛ Last-Minute

LHR - Washington, D.C.

London (LHR) - Washington, D.C. (IAD)

Icelandair

$779

$530

One-way

Wed, Jul 8

⌛ Last-Minute

LGW - Washington, D.C.

London (LGW) - Washington, D.C. (IAD)

Icelandair

$622

$526

One-way

Wed, Jul 8

⌛ Last-Minute

LGW - Washington, D.C.

London (LGW) - Washington, D.C. (IAD)

Icelandair

$652

$526

One-way

Thu, Jul 9

⌛ Last-Minute

LHR - Washington, D.C.

London (LHR) - Washington, D.C. (IAD)

Icelandair

$745

$513

One-way

Thu, Jul 9

⌛ Last-Minute

LHR - Washington, D.C.

London (LHR) - Washington, D.C. (IAD)

Icelandair

$812

$526

One-way

Biggest price drops on these dates for flights from London to Washington, D.C.

14 nights

Dec 14 - Dec 28

$961 → $519

46%

3 nights

Aug 7 - Aug 10

$963 → $535

44%

17 nights

Dec 11 - Dec 28

$969 → $549

43%

5 nights

Aug 20 - Aug 25

$944 → $527

44%

Popular Airports to fly from London to Washington, D.C.

London - Washington, D.C. route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from London to Washington, D.C. are near the typical level of $1073.

📅 Best time to fly

Fly in January for the best prices

Historically, January is the cheapest month to fly, with a median price of $623.

⏱️ Flight duration

Connecting flights average 24h 1m

The typical flight duration for this long-haul route with connections is 24h 1m.

✈️ Airlines & availability

Connecting flights are dominant

Only 14.2% of recent deals are direct, making connecting flights more common.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline that has offered direct flights on this route.

🎯 Booking tip

Deals appear frequently

On average, more than one deal per day has been found in the last 30 days.

London main airports to depart from

Gatwick (LGW)

Cheapest

Gatwick offers flights to Washington, D.C. and is often a good option for budget-conscious travelers.

📍 ~40 km from London city center (reachable by car or train)

💸 Flights from ~$512

Heathrow (LHR)

Heathrow provides many flight options to Washington, D.C. for travelers departing from London.

📍 ~25 km from London city center (reachable by car or train)

💸 Flights from ~$513

London City (LCY)

London City is a convenient option for travelers seeking flights to Washington, D.C. from central London.

📍 ~10 km from London city center (reachable by car or train)

💸 Flights from ~$593

London Southend (SEN)

London Southend offers an alternative departure point for flights to Washington, D.C.

📍 ~60 km from London city center (reachable by car or train)

💸 Flights from ~$682

London Stansted (STN)

London Stansted is an option for travelers flying to Washington, D.C. from the London area.

📍 ~50 km from London city center (reachable by car or train)

💸 Flights from ~$622

Luton (LTN)

Luton serves as another departure airport for those traveling to Washington, D.C. from London.

📍 ~45 km from London city center (reachable by car or train)

💸 Flights from ~$580

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International Airport is a good option for flights from London to Washington, D.C.

📍 ~35 km from Washington, D.C. (reachable by car)

💸 Flights from ~$509

Baltimore–Washington International (BWI)

Baltimore–Washington International Airport is an alternative for flights from London to Washington, D.C.

📍 ~50 km from Washington, D.C. (reachable by car)

💸 Flights from ~$547

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National Airport is a convenient choice for flights from London to Washington, D.C.

📍 ~8 km from Washington, D.C. (reachable by car)

💸 Flights from ~$570

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Cheapest

Philadelphia International is a major international hub with extensive connectivity and often serves as a viable alternative.

📍 ~195 km from Washington, D.C. (reachable by car or Amtrak rail service)

💸 Flights from ~$569

Richmond International (RIC)

Richmond International is the largest airport in Virginia outside the immediate D.C. metro area with a strong domestic network.

📍 ~150 km from Washington, D.C. (reachable by car)

💸 Flights from ~$721

Harrisburg International (MDT)

Harrisburg International is a convenient alternative for travelers located in the northern D.C. suburbs or Maryland.

📍 ~160 km from Washington, D.C. (reachable by car)

💸 Flights from ~$799

Norfolk International (ORF)

Norfolk International offers significant passenger volume and carrier variety with good flight availability.

📍 ~290 km from Washington, D.C. (reachable by car)

💸 Flights from ~$646

Charlottesville–Albemarle (CHO)

Charlottesville–Albemarle provides reliable regional service with connections to major hubs and an efficient terminal.

📍 ~160 km from Washington, D.C. (reachable by car)

💸 Flights from ~$938

Business & First Class Flight Deals to Washington, D.C.

Discover luxury on the budget with premium cabin class on flights from London to Washington, D.C..

Elite

Best Elite deals to Washington, D.C.

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From LHR

Elite

Oct 28

Washington, D.C., United States

94% AI deal score

$4,259

$2,151

Save $2,108

From LHR

Elite

Nov 04

Washington, D.C., United States

94% AI deal score

$4,120

$2,160

Save $1,960

From LHR

Elite

Nov 04

Washington, D.C., United States

94% AI deal score

$4,156

$2,160

Save $1,996

From LHR

Elite

Nov 18

Washington, D.C., United States

94% AI deal score

$4,099

$2,160

Save $1,939

From LHR

Elite

Nov 17

Washington, D.C., United States

94% AI deal score

$4,099

$2,162

Save $1,937

From LHR

Elite

Nov 11

Washington, D.C., United States

94% AI deal score

$4,115

$2,168

Save $1,947

From LHR

Elite

Oct 27

Washington, D.C., United States

94% AI deal score

$4,248

$2,168

Save $2,080

From LHR

Elite

Nov 04

Washington, D.C., United States

94% AI deal score

$4,069

$2,168

Save $1,901

From LHR

Elite

Oct 23

Washington, D.C., United States

94% AI deal score

$4,511

$2,193

Save $2,318

From LHR

Elite

Oct 31

Washington, D.C., United States

94% AI deal score

$4,447

$2,200

Save $2,247

From LHR

Elite

Nov 05

Washington, D.C., United States

94% AI deal score

$4,196

$2,200

Save $1,996

From LHR

Elite

Nov 19

Washington, D.C., United States

94% AI deal score

$4,153

$2,200

Save $1,953

From LHR

Elite

Nov 04

Washington, D.C., United States

94% AI deal score

$4,214

$2,200

Save $2,014

From LHR

Elite

Oct 22

Washington, D.C., United States

94% AI deal score

$4,289

$2,202

Save $2,087

From LHR

Elite

Oct 29

Washington, D.C., United States

94% AI deal score

$4,253

$2,208

Save $2,045

From LHR

Elite

Dec 07

Washington, D.C., United States

94% AI deal score

$4,777

$2,436

Save $2,341

From LHR

Elite

Nov 11

Washington, D.C., United States

93% AI deal score

$4,087

$2,193

Save $1,894

From LHR

Elite

Nov 26

Washington, D.C., United States

93% AI deal score

$4,035

$2,200

Save $1,835

From LHR

Elite

Oct 29

Washington, D.C., United States

93% AI deal score

$4,209

$2,206

Save $2,003

From LHR

Elite

Oct 29

Washington, D.C., United States

93% AI deal score

$4,230

$2,208

Save $2,022

From LHR

Elite

Nov 05

Washington, D.C., United States

93% AI deal score

$4,133

$2,208

Save $1,925

From LGW

Elite

Aug 18

Washington, D.C., United States

93% AI deal score

$3,750

$2,214

Save $1,536

From LHR

Elite

Aug 25

Washington, D.C., United States

93% AI deal score

$3,606

$2,215

Save $1,391

From LHR

Elite

Jul 07

Washington, D.C., United States

93% AI deal score

$3,840

$2,216

Save $1,624

From LGW

Elite

Aug 25

Washington, D.C., United States

93% AI deal score

$3,911

$2,222

Save $1,689

From LHR

Elite

Nov 12

Washington, D.C., United States

93% AI deal score

$4,098

$2,231

Save $1,867

From LHR

Elite

Oct 20

Washington, D.C., United States

93% AI deal score

$4,289

$2,241

Save $2,048

From LHR

Elite

Nov 19

Washington, D.C., United States

93% AI deal score

$4,089

$2,247

Save $1,842

From LHR

Elite

Jul 08

Washington, D.C., United States

93% AI deal score

$3,938

$2,256

Save $1,682

From LGW

Elite

Nov 11

Washington, D.C., United States

92% AI deal score

$3,456

$2,167

Save $1,289

From LGW

Elite

Jul 08

Washington, D.C., United States

92% AI deal score

$3,412

$2,181

Save $1,231

From LHR

Elite

Aug 04

Washington, D.C., United States

92% AI deal score

$3,438

$2,182

Save $1,256

From LHR

Elite

Dec 01

Washington, D.C., United States

92% AI deal score

$4,783

$2,193

Save $2,590

From LGW

Elite

Jul 08

Washington, D.C., United States

92% AI deal score

$3,493

$2,214

Save $1,279

From LGW

Elite

Oct 31

Washington, D.C., United States

92% AI deal score

$3,822

$2,240

Save $1,582

From LHR

Elite

Aug 20

Washington, D.C., United States

92% AI deal score

$3,459

$2,247

Save $1,212

From LHR

Elite

Aug 21

Washington, D.C., United States

92% AI deal score

$3,447

$2,263

Save $1,184

From LHR

Elite

Nov 11

Washington, D.C., United States

92% AI deal score

$4,103

$2,418

Save $1,685

From LHR

Elite

Nov 17

Washington, D.C., United States

92% AI deal score

$4,086

$2,428

Save $1,658

From LHR

Elite

Oct 20

Washington, D.C., United States

92% AI deal score

$4,260

$2,428

Save $1,832

From LHR

Elite

Nov 03

Washington, D.C., United States

92% AI deal score

$4,150

$2,436

Save $1,714

From LHR

Elite

Oct 20

Washington, D.C., United States

92% AI deal score

$4,265

$2,436

Save $1,829

From LHR

Elite

Jul 19

Washington, D.C., United States

92% AI deal score

$2,700

$1,543

Save $1,157

From LGW

Elite

Jul 08

Washington, D.C., United States

91% AI deal score

$3,240

$2,174

Save $1,066

From LGW

Elite

Jul 03

Washington, D.C., United States

91% AI deal score

$3,354

$2,205

Save $1,149

From LGW

Elite

Jul 15

Washington, D.C., United States

91% AI deal score

$3,346

$2,205

Save $1,141

From LGW

Elite

Jul 03

Washington, D.C., United States

91% AI deal score

$3,358

$2,245

Save $1,113

From LGW

Elite

Dec 02

Washington, D.C., United States

91% AI deal score

$3,819

$2,436

Save $1,383

From LHR

Elite

Aug 04

Washington, D.C., United States

91% AI deal score

$3,433

$2,442

Save $991

From LHR

Elite

Sep 02

Washington, D.C., United States

91% AI deal score

$2,181

$1,416

Save $765

From LHR

Elite

Jul 23

Washington, D.C., United States

91% AI deal score

$2,506

$1,579

Save $927

From LHR

Elite

Nov 29

Washington, D.C., United States

91% AI deal score

$2,367

$1,633

Save $734

From LGW

Elite

Sep 03

Washington, D.C., United States

91% AI deal score

$2,414

$1,659

Save $755

From LHR

Elite

Nov 09

Washington, D.C., United States

91% AI deal score

$2,405

$1,660

Save $745

From LHR

Elite

Jul 22

Washington, D.C., United States

91% AI deal score

$2,334

$1,674

Save $660

From LGW

Elite

Aug 11

Washington, D.C., United States

91% AI deal score

$2,525

$1,706

Save $819

From LGW

Elite

Nov 18

Washington, D.C., United States

90% AI deal score

$3,424

$2,436

Save $988

From LGW

Elite

Jul 15

Washington, D.C., United States

90% AI deal score

$3,363

$2,440

Save $923

From LGW

Elite

Jul 29

Washington, D.C., United States

90% AI deal score

$3,420

$2,441

Save $979

From LHR

Elite

Jul 11

Washington, D.C., United States

90% AI deal score

$13,372

$10,720

Save $2,652

From LCY

Elite

Jul 11

Washington, D.C., United States

90% AI deal score

$13,589

$11,171

Save $2,418

From LHR

Elite

Sep 03

Washington, D.C., United States

90% AI deal score

$2,205

$1,548

Save $657

From LHR

Elite

Nov 18

Washington, D.C., United States

90% AI deal score

$2,214

$1,621

Save $593

From LHR

Elite

Jul 01

Washington, D.C., United States

90% AI deal score

$2,544

$1,686

Save $858

From LHR

Elite

Jul 01

Washington, D.C., United States

90% AI deal score

$2,552

$1,686

Save $866

From LHR

Elite

Jul 16

Washington, D.C., United States

90% AI deal score

$2,506

$1,948

Save $558

From LHR

Elite

Sep 11

Washington, D.C., United States

89% AI deal score

$7,712

$4,063

Save $3,649

From LHR

Elite

Aug 07

Washington, D.C., United States

89% AI deal score

$2,145

$1,635

Save $510

From LHR

Elite

Sep 04

Washington, D.C., United States

89% AI deal score

$2,205

$1,660

Save $545

From LHR

Elite

Sep 05

Washington, D.C., United States

89% AI deal score

$2,243

$1,660

Save $583

From LHR

Elite

Jun 30

Washington, D.C., United States

89% AI deal score

$2,534

$1,767

Save $767

From LGW

Elite

Oct 13

Washington, D.C., United States

88% AI deal score

$3,316

$2,519

Save $797

From LGW

Elite

Oct 01

Washington, D.C., United States

88% AI deal score

$3,300

$2,519

Save $781

From LGW

Elite

Oct 13

Washington, D.C., United States

88% AI deal score

$3,375

$2,519

Save $856

From LGW

Elite

Oct 01

Washington, D.C., United States

88% AI deal score

$3,300

$2,519

Save $781

From LGW

Elite

Oct 13

Washington, D.C., United States

88% AI deal score

$3,316

$2,519

Save $797

From LGW

Elite

Oct 13

Washington, D.C., United States

88% AI deal score

$3,316

$2,519

Save $797

From LGW

Elite

Oct 01

Washington, D.C., United States

88% AI deal score

$3,300

$2,519

Save $781

From LGW

Elite

Oct 13

Washington, D.C., United States

88% AI deal score

$3,316

$2,519

Save $797

From LGW

Elite

Oct 15

Washington, D.C., United States

88% AI deal score

$3,364

$2,519

Save $845

From LHR

Elite

Sep 04

Washington, D.C., United States

88% AI deal score

$2,247

$1,496

Save $751

From LHR

Elite

Nov 22

Washington, D.C., United States

88% AI deal score

$2,313

$1,594

Save $719

From LHR

Elite

Sep 22

Washington, D.C., United States

88% AI deal score

$2,098

$1,645

Save $453

From LHR

Elite

Dec 14

Washington, D.C., United States

87% AI deal score

$4,712

$3,220

Save $1,492

From LHR

Elite

Dec 14

Washington, D.C., United States

87% AI deal score

$2,013

$1,506

Save $507

From LHR

Elite

Sep 02

Washington, D.C., United States

87% AI deal score

$2,147

$1,507

Save $640

From LHR

Elite

Sep 01

Washington, D.C., United States

87% AI deal score

$2,147

$1,543

Save $604

From LHR

Elite

Jul 09

Washington, D.C., United States

87% AI deal score

$2,805

$2,116

Save $689

From LHR

Elite

Jul 02

Washington, D.C., United States

86% AI deal score

$2,742

$2,140

Save $602

From LHR

Elite

Jul 02

Washington, D.C., United States

86% AI deal score

$2,750

$2,140

Save $610

From LHR

Elite

Aug 30

Washington, D.C., United States

85% AI deal score

$2,104

$1,520

Save $584

From LHR

Elite

Aug 31

Washington, D.C., United States

85% AI deal score

$2,116

$1,529

Save $587

From LHR

Elite

Aug 31

Washington, D.C., United States

85% AI deal score

$2,116

$1,529

Save $587

From LHR

Elite

Aug 30

Washington, D.C., United States

85% AI deal score

$2,104

$1,556

Save $548

From LHR

Elite

Aug 31

Washington, D.C., United States

85% AI deal score

$2,116

$1,556

Save $560

From LHR

Elite

Sep 06

Washington, D.C., United States

85% AI deal score

$2,069

$1,571

Save $498

From LHR

Elite

Aug 29

Washington, D.C., United States

85% AI deal score

$2,139

$1,635

Save $504

From LHR

Elite

Jul 19

Washington, D.C., United States

85% AI deal score

$2,783

$2,263

Save $520

From LHR

Elite

Sep 04

Washington, D.C., United States

84% AI deal score

$2,137

$1,619

Save $518

From LHR

Elite

Sep 05

Washington, D.C., United States

84% AI deal score

$2,163

$1,619

Save $544

Frequently Asked Questions About Flights to Washington, D.C.

Historically, the optimal booking window for flights from London to Washington, D.C. is typically 14-27 days before departure. During this period, the average price was $1018. Booking within 0-6 days of departure saw average prices rise to $1120, while booking 60+ days out resulted in an average price of $1177. This suggests that planning about two to four weeks ahead generally offers better value.

Across the trailing quarter, a good price for a flight from London to Washington, D.C. was considered to be $806 or less. The median price for this route was $1073. Prices above $1367 were in the top 25% of all observed fares. Therefore, if you find a fare at or below $806, it represents a strong value.

Historically, the cheapest months to fly from London to Washington, D.C. are January, with a median price of $623, and February, with a median price of $632. September also offered a relatively lower median price of $750. The annual median price for this route was $1073, indicating that these months typically provide significant savings compared to the yearly average.

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