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FlightsFrom Washington, D.C.

To London

Cheap Flights from Washington, D.C. to London

Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to London

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 Washington, D.C. to London

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

August 2 - August 31

Cheapest

BWI - London

$761

$566

Round trip

August 2 - August 25

BWI - London

$774

$571

Round trip

August 17 - August 25

Best

BWI - London

$946

$585

Round trip

August 10 - August 24

IAD - London

$750

$586

Round trip

August 10 - August 18

IAD - London

$772

$589

Round trip

August 9 - August 18

BWI - London

$824

$591

Round trip

August 19 - August 25

Best

BWI - London

$956

$594

Round trip

August 1 - August 31

BWI - London

$761

$595

Round trip

July 8 - July 13

Earliest

BWI - London

$1,024

$596

Round trip

August 10 - August 23

IAD - London

$750

$597

Round trip

Unlock all 500+ flight deals to London and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

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

For those looking for cheap flights from Washington, D.C. to London, fares typically range from $909–$1316, with a median of $1108. Right now, current fares are near the typical level for this route. Approximately 8% of recent fares from Washington, D.C. to London were classified as a good price, indicating that finding deals can require some flexibility.
When considering the cheapest time to fly from Washington, D.C. to London, the data indicates that January is the most affordable month, with a median fare of $494. February follows closely with a median fare of $495. Travelers can also find comparatively lower prices in April, where the median fare is $960.
Regarding direct flights from Washington, D.C. to London, most itineraries connect at least once, with only 11.9% of recent fares being non-stop. For connecting itineraries, the typical number of connections is 2, which can significantly extend travel time.
A typical journey from Washington, D.C. to London takes approximately 27h 23m, including connections. This duration reflects the prevalence of connecting flights on this route, as most itineraries involve at least one stopover.
The route from Washington, D.C. to London covers a distance of 5933 kilometers, classifying it as a long-haul journey. This distance typically involves extended flight times and often necessitates connecting flights.

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

Regular price: $658 - $1,212

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

The regular price range for this route is $658 to $1212. The current lowest deal is $566 with Frontier Airlines, for travel from Aug 2 to Aug 31.

now $566

Low $658

High $1,212

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

The cheapest month to fly from Washington to London is January, with a median price of $494. The most expensive month is June, with a median price of $1384. Prices are generally lower from January to December.

January

Cheapest

Flights from $494

June

Most Expensive

Flights from $1,384

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Washington, D.C. to London

Airline logo

British Airways

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

Fri, Jul 3

⌛ Last-Minute

IAD - London

Breeze Airways

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

Breeze Airways

$1,175

$690

One-way

Sun, Jul 5

⌛ Last-Minute

IAD - London

Icelandair

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

Icelandair

$1,167

$771

One-way

Sun, Jul 5

⌛ Last-Minute

IAD - London

Icelandair

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

Icelandair

$1,047

$809

One-way

Wed, Jul 8

⌛ Last-Minute

BWI - London

Frontier Airlines

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

Frontier Airlines

$1,024

$596

One-way

Thu, Jul 9

⌛ Last-Minute

BWI - London

Frontier Airlines

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

Frontier Airlines

$1,028

$611

One-way

Sat, Jul 11

⌛ Last-Minute

BWI - London

Icelandair

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

Icelandair

$1,083

$768

One-way

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

3 nights

Jul 3 - Jul 6

$1,175  →  $690

41%

5 nights

Jul 17 - Jul 22

$1,103  →  $668

39%

5 nights

Jul 8 - Jul 13

$1,024  →  $596

42%

4 nights

Jul 9 - Jul 13

$1,028  →  $611

41%

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

Washington, D.C. - London route insights

💸 Price insights

Recent fares are below the typical level at $566.

Recent fares from Washington, D.C. to London are below the typical level for this route.

📅 Best time to fly

Fly in January for prices as low as $494.

Historically, January and February offer the lowest median prices for flights to London.

⏱️ Flight duration

Connecting flights average 27h 23m.

The median flight duration for connecting flights from Washington, D.C. to London is 27h 23m.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Only 11.9% of recent deals for this route are direct, with connecting flights being dominant.

🏆 Airline highlight

British Airways offers direct flights.

British Airways is one airline that has offered direct flights from Washington, D.C. to London.

🎯 Booking tip

Deals appear frequently, 1.03 per day.

Historically, deals for flights from Washington, D.C. to London appear frequently.

Washington, D.C. main airports to depart from

Baltimore–Washington International (BWI)

Cheapest

Consider BWI for flights to London; it often offers competitive prices for your journey.

📍 ~40 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$585

Ronald Reagan Washington National (DCA)

DCA is a convenient option for flights to London, located very close to Washington, D.C.

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

💸 Flights from ~$632

Washington Dulles International (IAD)

IAD is a major international gateway for flights to London, providing many travel options.

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

💸 Flights from ~$605

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted offers a budget-friendly option for flights from Washington, D.C. to London.

📍 ~48 km from city center (reachable by car)

💸 Flights from ~$585

Gatwick (LGW)

Gatwick is a convenient arrival airport for flights from Washington, D.C. to London.

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

💸 Flights from ~$595

Heathrow (LHR)

Heathrow is a major hub for flights from Washington, D.C. to London.

📍 ~23 km from city center (reachable by car)

💸 Flights from ~$610

London City (LCY)

London City is a good option for flights from Washington, D.C. to London, offering proximity to the city.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$811

London Southend (SEN)

London Southend provides an alternative arrival point for flights from Washington, D.C. to London.

📍 ~58 km from city center (reachable by car)

💸 Flights from ~$807

Luton (LTN)

Luton is another choice for flights from Washington, D.C. to London.

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

💸 Flights from ~$651

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub with a wide variety of long-haul and short-haul destinations.

📍 ~160 km from London (reachable by rail)

💸 Flights from ~$674

Southampton (SOU)

Southampton Airport is the closest alternative airport to the London area with a direct rail link.

📍 ~110 km from London (reachable by rail)

💸 Flights from ~$829

Bristol (BRS)

Cheapest

Bristol Airport offers a large selection of low-cost carrier routes across Europe.

📍 ~170 km from London (reachable by coach or rail)

💸 Flights from ~$673

East Midlands (EMA)

East Midlands Airport has a strong presence of budget airlines offering competitive pricing.

📍 ~175 km from London (reachable by car)

💸 Flights from ~$715

Bournemouth (BOH)

Bournemouth Airport is an alternative option for travelers in South West London or the Home Counties.

📍 ~150 km from London (reachable by car)

💸 Flights from ~$839

Business & First Class Flight Deals to London

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

Elite

Best Elite deals to London

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

From IAD

Elite

Dec 01

London, United Kingdom

94% AI deal score

$4,642

$2,274

Save $2,368

From IAD

Elite

Oct 24

London, United Kingdom

93% AI deal score

$4,425

$2,441

Save $1,984

From IAD

Elite

Sep 09

London, United Kingdom

93% AI deal score

$2,570

$1,644

Save $926

From IAD

Elite

Nov 01

London, United Kingdom

92% AI deal score

$5,362

$2,211

Save $3,151

From BWI

Elite

Oct 06

London, United Kingdom

92% AI deal score

$3,481

$2,276

Save $1,205

From IAD

Elite

Oct 24

London, United Kingdom

92% AI deal score

$3,989

$2,374

Save $1,615

From IAD

Elite

Sep 01

London, United Kingdom

92% AI deal score

$2,565

$1,798

Save $767

From IAD

Elite

Sep 08

London, United Kingdom

92% AI deal score

$2,570

$1,798

Save $772

From IAD

Elite

Sep 20

London, United Kingdom

92% AI deal score

$2,588

$1,845

Save $743

From IAD

Elite

Sep 22

London, United Kingdom

92% AI deal score

$2,597

$1,845

Save $752

From IAD

Elite

Sep 21

London, United Kingdom

92% AI deal score

$2,595

$1,846

Save $749

From IAD

Elite

Sep 24

London, United Kingdom

92% AI deal score

$2,683

$1,865

Save $818

From IAD

Elite

Aug 11

London, United Kingdom

91% AI deal score

$3,268

$2,280

Save $988

From BWI

Elite

Oct 13

London, United Kingdom

91% AI deal score

$3,512

$2,317

Save $1,195

From BWI

Elite

Aug 23

London, United Kingdom

91% AI deal score

$3,267

$2,330

Save $937

From BWI

Elite

Sep 09

London, United Kingdom

91% AI deal score

$3,518

$2,351

Save $1,167

From BWI

Elite

Oct 13

London, United Kingdom

91% AI deal score

$3,671

$2,515

Save $1,156

From BWI

Elite

Sep 29

London, United Kingdom

91% AI deal score

$3,752

$2,519

Save $1,233

From IAD

Elite

Nov 17

London, United Kingdom

91% AI deal score

$2,459

$1,710

Save $749

From IAD

Elite

Dec 02

London, United Kingdom

91% AI deal score

$2,349

$1,736

Save $613

From IAD

Elite

Aug 14

London, United Kingdom

91% AI deal score

$2,617

$1,763

Save $854

From IAD

Elite

Aug 27

London, United Kingdom

91% AI deal score

$2,407

$1,787

Save $620

From IAD

Elite

Aug 09

London, United Kingdom

91% AI deal score

$2,448

$1,813

Save $635

From IAD

Elite

Jul 26

London, United Kingdom

91% AI deal score

$2,620

$1,813

Save $807

From BWI

Elite

Nov 24

London, United Kingdom

90% AI deal score

$2,998

$2,344

Save $654

From BWI

Elite

Nov 17

London, United Kingdom

90% AI deal score

$3,036

$2,351

Save $685

From BWI

Elite

Nov 25

London, United Kingdom

90% AI deal score

$2,990

$2,351

Save $639

From BWI

Elite

Aug 23

London, United Kingdom

90% AI deal score

$3,210

$2,451

Save $759

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,557

$2,519

Save $1,038

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,499

$2,519

Save $980

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,618

$2,523

Save $1,095

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,551

$2,523

Save $1,028

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,617

$2,523

Save $1,094

From BWI

Elite

Sep 29

London, United Kingdom

90% AI deal score

$3,395

$2,523

Save $872

From BWI

Elite

Oct 13

London, United Kingdom

90% AI deal score

$3,561

$2,524

Save $1,037

From BWI

Elite

Oct 01

London, United Kingdom

90% AI deal score

$3,571

$2,524

Save $1,047

From BWI

Elite

Jul 28

London, United Kingdom

90% AI deal score

$3,475

$2,532

Save $943

From BWI

Elite

Oct 27

London, United Kingdom

90% AI deal score

$3,519

$2,540

Save $979

From BWI

Elite

Oct 27

London, United Kingdom

90% AI deal score

$3,513

$2,540

Save $973

From BWI

Elite

Oct 29

London, United Kingdom

90% AI deal score

$3,589

$2,540

Save $1,049

From BWI

Elite

Oct 29

London, United Kingdom

90% AI deal score

$3,563

$2,540

Save $1,023

From BWI

Elite

Oct 22

London, United Kingdom

90% AI deal score

$3,546

$2,540

Save $1,006

From BWI

Elite

Oct 22

London, United Kingdom

90% AI deal score

$3,579

$2,540

Save $1,039

From BWI

Elite

Oct 22

London, United Kingdom

90% AI deal score

$3,578

$2,540

Save $1,038

From BWI

Elite

Oct 27

London, United Kingdom

90% AI deal score

$3,472

$2,541

Save $931

From IAD

Elite

Nov 17

London, United Kingdom

90% AI deal score

$5,257

$3,368

Save $1,889

From IAD

Elite

Aug 30

London, United Kingdom

90% AI deal score

$19,800

$15,283

Save $4,517

From IAD

Elite

Aug 20

London, United Kingdom

90% AI deal score

$2,240

$1,665

Save $575

From IAD

Elite

Dec 02

London, United Kingdom

90% AI deal score

$2,284

$1,736

Save $548

From IAD

Elite

Sep 06

London, United Kingdom

90% AI deal score

$2,388

$1,740

Save $648

From IAD

Elite

Sep 01

London, United Kingdom

90% AI deal score

$2,422

$1,743

Save $679

From IAD

Elite

Sep 08

London, United Kingdom

90% AI deal score

$2,422

$1,743

Save $679

From IAD

Elite

Aug 14

London, United Kingdom

90% AI deal score

$2,266

$1,757

Save $509

From IAD

Elite

Aug 25

London, United Kingdom

90% AI deal score

$2,266

$1,766

Save $500

From IAD

Elite

Sep 22

London, United Kingdom

90% AI deal score

$2,431

$1,788

Save $643

From IAD

Elite

Jul 21

London, United Kingdom

90% AI deal score

$2,238

$1,815

Save $423

From IAD

Elite

Jul 31

London, United Kingdom

90% AI deal score

$2,276

$1,900

Save $376

From IAD

Elite

Sep 13

London, United Kingdom

90% AI deal score

$2,704

$2,180

Save $524

From IAD

Elite

Sep 09

London, United Kingdom

90% AI deal score

$2,677

$2,180

Save $497

From BWI

Elite

Sep 29

London, United Kingdom

89% AI deal score

$3,350

$2,519

Save $831

From BWI

Elite

Sep 29

London, United Kingdom

89% AI deal score

$3,390

$2,523

Save $867

From BWI

Elite

Sep 29

London, United Kingdom

89% AI deal score

$3,351

$2,523

Save $828

From IAD

Elite

Aug 17

London, United Kingdom

89% AI deal score

$3,344

$2,532

Save $812

From IAD

Elite

Aug 11

London, United Kingdom

89% AI deal score

$3,208

$2,534

Save $674

From IAD

Elite

Aug 11

London, United Kingdom

89% AI deal score

$3,194

$2,534

Save $660

From IAD

Elite

Aug 11

London, United Kingdom

89% AI deal score

$3,194

$2,536

Save $658

From IAD

Elite

Nov 01

London, United Kingdom

89% AI deal score

$2,113

$1,715

Save $398

From IAD

Elite

Nov 15

London, United Kingdom

89% AI deal score

$2,111

$1,755

Save $356

From IAD

Elite

Nov 17

London, United Kingdom

89% AI deal score

$2,139

$1,755

Save $384

From IAD

Elite

Nov 25

London, United Kingdom

89% AI deal score

$2,131

$1,757

Save $374

From IAD

Elite

Oct 28

London, United Kingdom

88% AI deal score

$2,150

$1,733

Save $417

From IAD

Elite

Aug 09

London, United Kingdom

88% AI deal score

$2,240

$1,803

Save $437

From IAD

Elite

Oct 30

London, United Kingdom

88% AI deal score

$2,169

$1,810

Save $359

From DCA

Elite

Sep 16

London, United Kingdom

87% AI deal score

$2,780

$2,132

Save $648

From DCA

Elite

Sep 24

London, United Kingdom

87% AI deal score

$2,726

$2,132

Save $594

From DCA

Elite

Sep 19

London, United Kingdom

87% AI deal score

$2,774

$2,133

Save $641

From DCA

Elite

Sep 01

London, United Kingdom

86% AI deal score

$2,597

$2,082

Save $515

From DCA

Elite

Sep 01

London, United Kingdom

86% AI deal score

$2,605

$2,082

Save $523

From DCA

Elite

Sep 06

London, United Kingdom

86% AI deal score

$2,608

$2,082

Save $526

From DCA

Elite

Sep 15

London, United Kingdom

86% AI deal score

$2,627

$2,082

Save $545

From DCA

Elite

Sep 23

London, United Kingdom

86% AI deal score

$2,622

$2,082

Save $540

From DCA

Elite

Sep 07

London, United Kingdom

85% AI deal score

$2,594

$2,132

Save $462

From DCA

Elite

Sep 01

London, United Kingdom

85% AI deal score

$2,597

$2,157

Save $440

From DCA

Elite

Sep 04

London, United Kingdom

85% AI deal score

$2,614

$2,182

Save $432

From DCA

Elite

Sep 19

London, United Kingdom

85% AI deal score

$2,619

$2,182

Save $437

From IAD

Elite

Nov 24

London, United Kingdom

84% AI deal score

$23,522

$19,555

Save $3,967

From IAD

Elite

Sep 19

London, United Kingdom

84% AI deal score

$2,666

$2,241

Save $425

From IAD

Elite

Jul 19

London, United Kingdom

83% AI deal score

$4,619

$3,480

Save $1,139

From IAD

Elite

Dec 03

London, United Kingdom

83% AI deal score

$4,685

$3,487

Save $1,198

From IAD

Elite

Oct 13

London, United Kingdom

83% AI deal score

$2,118

$1,814

Save $304

From IAD

Elite

Oct 07

London, United Kingdom

83% AI deal score

$2,108

$1,814

Save $294

From IAD

Elite

Oct 20

London, United Kingdom

83% AI deal score

$2,100

$1,814

Save $286

From IAD

Elite

Oct 06

London, United Kingdom

83% AI deal score

$2,135

$1,834

Save $301

From IAD

Elite

Oct 10

London, United Kingdom

83% AI deal score

$2,180

$1,834

Save $346

From IAD

Elite

Oct 13

London, United Kingdom

82% AI deal score

$2,155

$1,811

Save $344

From IAD

Elite

Oct 13

London, United Kingdom

82% AI deal score

$2,145

$1,811

Save $334

From IAD

Elite

Oct 05

London, United Kingdom

82% AI deal score

$2,156

$1,824

Save $332

From IAD

Elite

Oct 06

London, United Kingdom

82% AI deal score

$2,169

$1,832

Save $337

From IAD

Elite

Oct 02

London, United Kingdom

82% AI deal score

$2,108

$1,865

Save $243

From DCA

Elite

Dec 19

London, United Kingdom

79% AI deal score

$5,828

$4,824

Save $1,004

Frequently Asked Questions About Flights to London

Historically, booking flights from Washington, D.C. to London 60+ days in advance typically yields the lowest average prices. Across the trailing quarter, flights booked in this window had an average price of $1136. In contrast, flights booked 0-6 days before departure were significantly higher, averaging $1429. Even booking 7-13 days out saw an average price of $1293, indicating that earlier booking is generally more economical.

A good deal for a flight from Washington, D.C. to London is considered to be $909 or less. This threshold represents the lowest 25% of prices observed in the trailing 90 days. The median price for this route across the same period was $1108, while 75% of prices were at or below $1316. Therefore, securing a fare at or below $909 indicates a particularly favorable price.

Historically, January and February have offered the cheapest flights from Washington, D.C. to London. In January, the median price was $494, and in February, it was $495. The annual median price for this route is $1108, making these months considerably more affordable. April, with a median price of $960, was observed as the most expensive month in the trailing 270 days.

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