FlightsFrom Houston

To London

Cheap Flights from Houston to London

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

Deals from

Houston

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 Houston to London

Explore current cheapest deals departing from Houston to London

August 4 - August 28

Cheapest

IAH - London

$722

$619

Round trip

October 13 - October 21

IAH - London

$863

$635

Round trip

September 9 - September 14

Best

IAH - London

$861

$647

Round trip

August 1 - August 10

Earliest

IAH - London

$755

$655

Round trip

September 7 - September 14

IAH - London

$871

$662

Round trip

September 15 - September 23

IAH - London

$833

$665

Round trip

August 8 - August 22

IAH - London

$747

$669

Round trip

August 5 - August 9

IAH - London

$829

$670

Round trip

August 9 - August 25

IAH - London

$748

$671

Round trip

August 4 - August 30

IAH - London

$722

$674

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 Houston to London

Right now, 10% of recent fares from Houston to London are considered a good price. For cheap flights from Houston to London, prices typically range from $891–$1279, with a median of $1102. Current fares are near the typical level for this route. New deals for this route appear almost daily, suggesting frequent opportunities to find competitive pricing.
A typical journey from Houston to London takes about 30h 24m, including connections. This is a long-haul route, covering a distance of 7789 km. Given that most itineraries connect at least once, this duration reflects the total travel time including layovers.
Most itineraries from Houston to London connect at least once, with only 19.9% of recent fares being non-stop. For connecting flights, the median number of stopovers is 2, indicating that many travelers will have multiple stops on their journey.
When is the cheapest time to fly from Houston to London? The data indicates that January is typically the most affordable month, with a median fare of $564. April also offers lower prices, with a median of $786, followed by November at a median of $973. Planning your trip during these months could result in significant savings.

How much is a round trip from Houston to London

Regular price: $627 - $1,178

Prices for flights from Houston to London are currently below the regular range.

The regular price range for this route is $627 to $1178. The current lowest deal is $619 with Frontier Airlines, for travel from August 4 to August 28.

now $619

Low $627

High $1,178

The cheapest time to fly from Houston to London

Flights from Houston to London are cheapest in January, with a median price of $564. The most expensive month to fly is December, with a median price of $1842. Prices are generally lower from January to November.

January

Cheapest

Flights from $564

December

Most Expensive

Flights from $1,842

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

Direct flights from Houston to London

Airline logo

Finnair

Last-minute flights going from Houston to London

Thu, Jul 2

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,195

$837

One-way

Fri, Jul 3

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,135

$891

One-way

Fri, Jul 3

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,262

$903

One-way

Fri, Jul 3

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,164

$937

One-way

Fri, Jul 3

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,182

$959

One-way

Mon, Jul 6

⌛ Last-Minute

HOU - London

Allegiant Air

Houston (HOU) - London (LGW)

Allegiant Air

$1,248

$941

One-way

Biggest price drops on these dates for flights from Houston to London

3 nights

Jul 3 - Jul 6

$1,262  →  $903

28%

6 nights

Jul 2 - Jul 8

$1,195  →  $837

30%

5 nights

Sep 4 - Sep 9

$1,118  →  $778

30%

14 nights

Aug 9 - Aug 23

$1,032  →  $693

33%

Popular Airports to fly from Houston to London

Houston - London route insights

💸 Price insights

Fares are near the typical level

Recent fares for Houston to London are near the typical level, with a median price of $1102.

📅 Best time to fly

January is historically cheapest at $564

Historically, January is the cheapest month to fly from Houston to London, with a median price of $564.

⏱️ Flight duration

Flights typically take 30h 24m

The typical flight duration for connecting flights from Houston to London is 30 hours and 24 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with 2 stopovers being typical.

🏆 Airline highlight

Finnair offers direct flights

Finnair is one of the airlines offering direct flights on the Houston to London route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Houston to London are frequent, with over one deal per day.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport (IAH) is a good option for flights from Houston to London.

📍 ~28 km from city center (reachable by car)

💸 Flights from ~$619

William P. Hobby (HOU)

William P. Hobby Airport (HOU) is an alternative for flights from Houston to London.

📍 ~14 km from city center (reachable by car)

💸 Flights from ~$814

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport is a good choice for flights to London, offering a balance of price and convenience.

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

💸 Flights from ~$619

Heathrow (LHR)

Heathrow Airport is a major international hub for flights to London, providing extensive global connections.

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

💸 Flights from ~$773

London City (LCY)

London City Airport is ideal for direct access to central London, located conveniently close to the city.

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

💸 Flights from ~$886

London Southend (SEN)

London Southend Airport offers an alternative arrival point for flights to the London area.

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

💸 Flights from ~$826

London Stansted (STN)

London Stansted Airport is a viable option for flights to London, especially for those traveling to the northeast.

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

💸 Flights from ~$765

Luton (LTN)

Luton Airport serves as another convenient gateway for flights arriving in the wider London region.

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

💸 Flights from ~$758

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham (BHX) is a major international hub with excellent rail connectivity from London Euston and Marylebone stations.

📍 ~160 km from London (reachable by rail)

💸 Flights from ~$730

Southampton (SOU)

Southampton (SOU) is the closest alternative airport to London with a direct rail link from London Waterloo.

📍 ~110 km from London (reachable by rail)

💸 Flights from ~$1032

Bristol (BRS)

Bristol (BRS) offers a large selection of low-cost carrier routes across Europe with good accessibility.

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

💸 Flights from ~$952

East Midlands (EMA)

East Midlands (EMA) has a strong presence of budget airlines and is easily accessible via the M1 motorway.

📍 ~170 km from London (reachable by car)

💸 Flights from ~$827

Bournemouth (BOH)

Bournemouth (BOH) is an alternative option for travelers in South West London, offering a less crowded environment.

📍 ~150 km from London (reachable by car)

💸 Flights from ~$1013

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Houston to London.

Elite

Best Elite deals to London

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

From IAH

Elite

Jul 29

London, United Kingdom

92% AI deal score

$2,819

$2,124

Save $695

From IAH

Elite

Aug 05

London, United Kingdom

91% AI deal score

$7,329

$4,610

Save $2,719

From IAH

Elite

Oct 27

London, United Kingdom

90% AI deal score

$5,237

$3,889

Save $1,348

From IAH

Elite

Jul 28

London, United Kingdom

90% AI deal score

$6,988

$4,600

Save $2,388

From IAH

Elite

Jul 14

London, United Kingdom

90% AI deal score

$6,934

$4,611

Save $2,323

From IAH

Elite

Oct 30

London, United Kingdom

89% AI deal score

$5,265

$3,978

Save $1,287

From IAH

Elite

Aug 11

London, United Kingdom

89% AI deal score

$5,649

$4,095

Save $1,554

From IAH

Elite

Aug 11

London, United Kingdom

89% AI deal score

$5,871

$4,196

Save $1,675

From IAH

Elite

Sep 14

London, United Kingdom

89% AI deal score

$24,461

$18,699

Save $5,762

From IAH

Elite

Aug 03

London, United Kingdom

88% AI deal score

$5,685

$3,660

Save $2,025

From IAH

Elite

Aug 03

London, United Kingdom

88% AI deal score

$5,685

$3,696

Save $1,989

From IAH

Elite

Nov 10

London, United Kingdom

88% AI deal score

$5,011

$3,924

Save $1,087

From IAH

Elite

Jul 31

London, United Kingdom

88% AI deal score

$2,848

$2,272

Save $576

From IAH

Elite

Jul 13

London, United Kingdom

87% AI deal score

$5,572

$3,883

Save $1,689

From IAH

Elite

Jul 14

London, United Kingdom

87% AI deal score

$7,042

$4,625

Save $2,417

From IAH

Elite

Jul 15

London, United Kingdom

87% AI deal score

$7,043

$4,625

Save $2,418

From IAH

Elite

Jul 15

London, United Kingdom

87% AI deal score

$7,033

$4,625

Save $2,408

From IAH

Elite

Aug 04

London, United Kingdom

87% AI deal score

$7,245

$4,650

Save $2,595

From IAH

Elite

Aug 04

London, United Kingdom

87% AI deal score

$7,217

$4,650

Save $2,567

From IAH

Elite

Aug 05

London, United Kingdom

87% AI deal score

$7,207

$4,650

Save $2,557

From IAH

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Jul 20

London, United Kingdom

87% AI deal score

$2,801

$2,341

Save $460

From IAH

Elite

Jul 14

London, United Kingdom

86% AI deal score

$6,916

$4,626

Save $2,290

From IAH

Elite

Jul 14

London, United Kingdom

86% AI deal score

$6,916

$4,626

Save $2,290

From IAH

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Jul 15

London, United Kingdom

86% AI deal score

$6,907

$4,626

Save $2,281

From IAH

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Jul 15

London, United Kingdom

86% AI deal score

$6,907

$4,626

Save $2,281

From IAH

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Jul 21

London, United Kingdom

86% AI deal score

$6,899

$4,626

Save $2,273

From IAH

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Jul 21

London, United Kingdom

86% AI deal score

$6,896

$4,626

Save $2,270

From IAH

Elite

Jul 22

London, United Kingdom

86% AI deal score

$6,893

$4,626

Save $2,267

From IAH

Elite

Jul 22

London, United Kingdom

86% AI deal score

$6,899

$4,626

Save $2,273

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,157

$4,650

Save $2,507

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,048

$4,650

Save $2,398

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$7,041

$4,650

Save $2,391

From IAH

Elite

Aug 04

London, United Kingdom

86% AI deal score

$6,950

$4,650

Save $2,300

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,201

$4,650

Save $2,551

From IAH

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Aug 05

London, United Kingdom

86% AI deal score

$7,147

$4,650

Save $2,497

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,038

$4,650

Save $2,388

From IAH

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Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 05

London, United Kingdom

86% AI deal score

$7,031

$4,650

Save $2,381

From IAH

Elite

Aug 18

London, United Kingdom

86% AI deal score

$7,368

$4,850

Save $2,518

From IAH

Elite

Aug 18

London, United Kingdom

86% AI deal score

$7,344

$4,850

Save $2,494

From IAH

Elite

Aug 18

London, United Kingdom

86% AI deal score

$7,349

$4,850

Save $2,499

From IAH

Elite

Aug 18

London, United Kingdom

86% AI deal score

$7,324

$4,850

Save $2,474

From IAH

Elite

Aug 19

London, United Kingdom

86% AI deal score

$7,354

$4,850

Save $2,504

From IAH

Elite

Aug 19

London, United Kingdom

86% AI deal score

$7,331

$4,850

Save $2,481

From IAH

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Aug 19

London, United Kingdom

86% AI deal score

$7,336

$4,850

Save $2,486

From IAH

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Aug 01

London, United Kingdom

86% AI deal score

$7,337

$4,875

Save $2,462

From IAH

Elite

Aug 01

London, United Kingdom

86% AI deal score

$7,315

$4,875

Save $2,440

From IAH

Elite

Aug 01

London, United Kingdom

86% AI deal score

$7,299

$4,875

Save $2,424

From IAH

Elite

Aug 02

London, United Kingdom

86% AI deal score

$7,385

$4,875

Save $2,510

From IAH

Elite

Jul 20

London, United Kingdom

86% AI deal score

$2,804

$2,391

Save $413

From IAH

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Jul 23

London, United Kingdom

86% AI deal score

$2,803

$2,391

Save $412

From IAH

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Jul 25

London, United Kingdom

86% AI deal score

$2,810

$2,391

Save $419

From IAH

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Jul 22

London, United Kingdom

86% AI deal score

$2,799

$2,408

Save $391

From IAH

Elite

Jul 20

London, United Kingdom

86% AI deal score

$2,804

$2,431

Save $373

From IAH

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Jul 23

London, United Kingdom

86% AI deal score

$2,806

$2,441

Save $365

From IAH

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Jul 21

London, United Kingdom

86% AI deal score

$2,799

$2,449

Save $350

From IAH

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Jul 20

London, United Kingdom

86% AI deal score

$2,798

$2,450

Save $348

From IAH

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Jul 22

London, United Kingdom

86% AI deal score

$2,806

$2,458

Save $348

From IAH

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Sep 14

London, United Kingdom

85% AI deal score

$23,098

$18,687

Save $4,411

From IAH

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Jul 24

London, United Kingdom

85% AI deal score

$2,784

$2,458

Save $326

From IAH

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Jul 23

London, United Kingdom

85% AI deal score

$2,806

$2,481

Save $325

From IAH

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Jul 25

London, United Kingdom

85% AI deal score

$2,799

$2,481

Save $318

From IAH

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Jul 22

London, United Kingdom

85% AI deal score

$2,806

$2,498

Save $308

From IAH

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Jul 21

London, United Kingdom

85% AI deal score

$2,806

$2,499

Save $307

From IAH

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Jul 23

London, United Kingdom

85% AI deal score

$2,784

$2,500

Save $284

From IAH

Elite

Jul 25

London, United Kingdom

85% AI deal score

$2,810

$2,500

Save $310

From IAH

Elite

Jul 24

London, United Kingdom

85% AI deal score

$2,795

$2,508

Save $287

From IAH

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Jul 19

London, United Kingdom

85% AI deal score

$2,798

$2,516

Save $282

From IAH

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Jul 19

London, United Kingdom

85% AI deal score

$2,801

$2,516

Save $285

From IAH

Elite

Jul 19

London, United Kingdom

85% AI deal score

$2,801

$2,516

Save $285

From IAH

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Jul 20

London, United Kingdom

85% AI deal score

$2,797

$2,516

Save $281

From IAH

Elite

Jul 21

London, United Kingdom

85% AI deal score

$2,799

$2,516

Save $283

From IAH

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Jul 22

London, United Kingdom

85% AI deal score

$2,803

$2,516

Save $287

From IAH

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Jul 19

London, United Kingdom

85% AI deal score

$2,898

$2,526

Save $372

From IAH

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Nov 10

London, United Kingdom

83% AI deal score

$4,675

$3,900

Save $775

From IAH

Elite

Nov 02

London, United Kingdom

83% AI deal score

$4,636

$3,900

Save $736

From IAH

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Nov 10

London, United Kingdom

83% AI deal score

$4,887

$3,901

Save $986

From IAH

Elite

Nov 10

London, United Kingdom

83% AI deal score

$4,735

$3,923

Save $812

From IAH

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Nov 02

London, United Kingdom

83% AI deal score

$4,764

$3,923

Save $841

From IAH

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Nov 23

London, United Kingdom

83% AI deal score

$4,757

$3,986

Save $771

From IAH

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Aug 16

London, United Kingdom

83% AI deal score

$2,397

$2,109

Save $288

From IAH

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Aug 02

London, United Kingdom

83% AI deal score

$2,373

$2,110

Save $263

From IAH

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Aug 19

London, United Kingdom

83% AI deal score

$2,391

$2,110

Save $281

From IAH

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Aug 17

London, United Kingdom

83% AI deal score

$2,393

$2,111

Save $282

From IAH

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Aug 03

London, United Kingdom

82% AI deal score

$2,377

$2,124

Save $253

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Houston to London is typically 7-13 days before departure. Flights booked within this timeframe had an average price of $935. Booking 0-6 days out saw an average price of $1175, while booking 28-59 days in advance typically resulted in an average price of $1294. For those planning further ahead, flights booked 60+ days out had an average price of $1126.

Across the trailing quarter, a good price for a flight from Houston to London was considered to be $891 or less. The median price for this route was $1102. Approximately 25% of all flights were available for $891 or less, while 75% of flights were priced at $1279 or below.

Historically, January has been the cheapest month to fly from Houston to London, with a median price of $564. April also offered lower prices, with a median of $786. In contrast, the annual median price for this route was $1102. November was the most expensive month, with a median price of $973.