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Flights to London

Find cheap flights to London in 2025/2026 from $292 This is the cheapest return flight found to London from USA on FlightsFinder on March 25th 2025 at 04:06. This offer may no longer be available. Click the offer to check live prices & dates of travel.

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Our Flight Finder compares the cheapest flights to London from the most established flight comparison sites.
Fly to London and visit sites like The British Museum, Tower of London, Big Ben & lastminute.com London Eye.

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What are the cheapest return flights to London in 2025/2026?

These economy flights were found on FlightsFinder from USA to London in the last few days. Prices subject to availability.

What are the cheapest one-way flights to London in 2025/2026?

These economy flights were found on FlightsFinder from USA to London in the last few days. Prices subject to availability.

When are flights to London cheapest?

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The month of April

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According to our data, April is on average the cheapest time to book flights to London.
You can get flights from $292 return.

When is the most expensive time to fly to London?

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The month of January

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According to our data, January is on average the most expensive time to book flights to London.
A return flight could set you back more than $418.

Why fly to London?

London, a vibrant metropolis blending rich history with modern innovation, stands as a beacon of cultural diversity and architectural marvels. From the iconic Big Ben clock tower to the majestic Tower Bridge spanning the River Thames, this bustling city offers a tapestry of experiences for every traveller. Explore world-class museums like the British Museum or indulge in a shopping spree at Harrods. With a thriving culinary scene and buzzing nightlife, London caters to all tastes and preferences. Immerse yourself in the enchanting blend of old-world charm and contemporary flair that defines this cosmopolitan gem, ensuring an unforgettable journey awaits.

Frequently asked questions about Flights to London

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Weather in London

Haze
Haze

45.2 °F

Tue, 25 Mar 2025

Average Temperature

47°F

Jan

47°F

Feb

52°F

Mar

58°F

Apr

64°F

May

70°F

Jun

74°F

Jul

74°F

Aug

68°F

Sep

60°F

Oct

52°F

Nov

47°F

Dec

London

Flight Distance and Flying Time to London

Atlanta, USA - Georgia, Atlanta Hartsfield-Jackson International Airport (ATL) to London (LON)

Distance:
4,201 miles (6,761 kilometres)

Average flight time (direct 9 hours 50 minutes)

Los Angeles, USA - California, Los Angeles International Airport (LAX) to London (LON)

Distance:
5,443 miles (8,760 kilometres)

Average flight time (direct 12 hours 35 minutes)

New York, USA - John F Kennedy International Airport (JFK) to London (LON)

Distance:
3,442 miles (5,540 kilometres)

Average flight time (direct 8 hours 8 minutes)

Dallas, USA - Dallas, Texas Fort Worth International Airport (DFW) to London (LON)

Distance:
4,739 miles (7,627 kilometres)

Average flight time (direct 11 hours 1 minute)

Denver, USA - Colorado, Airport - Denver International Airport (DEN) to London (LON)

Distance:
4,658 miles (7,496 kilometres)

Average flight time (direct 10 hours 51 minutes)

San Francisco, USA - California, San Francisco International Airport (SFO) to London (LON)

Distance:
5,354 miles (8,616 kilometres)

Average flight time (direct 12 hours 23 minutes)

Seattle, USA - Airport - Seattle Tacoma International, Washington (SEA) to London (LON)

Distance:
4,786 miles (7,702 kilometres)

Average flight time (direct 11 hours 8 minutes)

Las Vegas, USA - Nevada, McCarran International Airport (LAS) to London (LON)

Distance:
5,216 miles (8,395 kilometres)

Average flight time (direct 12 hours 5 minutes)

Orlando, USA - Florida, Orlando International Airport (MCO) to London (LON)

Distance:
4,328 miles (6,965 kilometres)

Average flight time (direct 10 hours 7 minutes)

Charlotte, USA - North Carolina, Douglas International Airport (CLT) to London (LON)

Distance:
3,982 miles (6,409 kilometres)

Average flight time (direct 9 hours 20 minutes)

Phoenix, USA - Arizona, Phoenix Sky Harbor International Airport (PHX) to London (LON)

Distance:
5,259 miles (8,463 kilometres)

Average flight time (direct 12 hours 11 minutes)

Houston, USA - Texas, Airport - George Bush Intercontinental (IAH) to London (LON)

Distance:
4,824 miles (7,763 kilometres)

Average flight time (direct 11 hours 13 minutes)

Miami, USA - Florida, Miami International Airport (MIA) to London (LON)

Distance:
4,417 miles (7,109 kilometres)

Average flight time (direct 10 hours 18 minutes)

Boston, USA - Massachusetts, Edward L. Logan International Airport (BOS) to London (LON)

Distance:
3,256 miles (5,240 kilometres)

Average flight time (direct 7 hours 44 minutes)

Minneapolis, USA - Minnesota, Airport - St. Paul International (MSP) to London (LON)

Distance:
4,003 miles (6,443 kilometres)

Average flight time (direct 9 hours 23 minutes)

Fort Lauderdale, USA - Florida, Fort Lauderdale-Hollywood International Airport (FLL) to London (LON)

Distance:
4,397 miles (7,077 kilometres)

Average flight time (direct 10 hours 16 minutes)

Detroit, USA - Michigan, Airport - Metropolitan Wayne County International (DTW) to London (LON)

Distance:
3,756 miles (6,044 kilometres)

Average flight time (direct 8 hours 50 minutes)

Philadelphia, USA - Pennsylvania, Airport - Philadelphia International (PHL) to London (LON)

Distance:
3,535 miles (5,690 kilometres)

Average flight time (direct 8 hours 21 minutes)

Baltimore, USA - Maryland, Baltimore/Washington International Airport (BWI) to London (LON)

Distance:
3,625 miles (5,833 kilometres)

Average flight time (direct 8 hours 33 minutes)

Salt Lake City, USA - Utah, Salt Lake City International Airport (SLC) to London (LON)

Distance:
4,853 miles (7,810 kilometres)

Average flight time (direct 11 hours 17 minutes)

San Diego, USA - California, San Diego International Airport (SAN) to London (LON)

Distance:
5,472 miles (8,807 kilometres)

Average flight time (direct 12 hours 39 minutes)

Tampa, USA - Florida, Tampa International Airport (TPA) to London (LON)

Distance:
4,402 miles (7,085 kilometres)

Average flight time (direct 10 hours 16 minutes)

Portland, USA - International Airport, Oregon (PDX) to London (LON)

Distance:
4,900 miles (7,886 kilometres)

Average flight time (direct 11 hours 23 minutes)

Map of London

Travel Videos About London

Cheapest flight routes found to London

From Orlando

From Orlando (MCO), USA to London, United Kingdom (LGW): $292

Depart: 05 Apr 2025 · Return: 20 Apr 2025 Price found 25 Mar 2025, 04:06

From New York

From New York (JFK), USA to London, United Kingdom (LGW): $320

Depart: 01 Apr 2025 · Return: 06 May 2025 Price found 21 Mar 2025, 10:41

From Boston

From Boston (BOS), USA to London, United Kingdom (STN): $336

Depart: 07 May 2025 · Return: 13 May 2025 Price found 22 Mar 2025, 20:35

From Miami

From Miami (MIA), USA to London, United Kingdom (LGW): $342

Depart: 03 Apr 2025 · Return: 30 Apr 2025 Price found 21 Mar 2025, 19:44

From Washington D.C.

From Washington D.C. (BWI), USA to London, United Kingdom (LGW): $352

Depart: 14 Nov 2025 · Return: 11 Dec 2025 Price found 22 Mar 2025, 11:55

From Charlotte

From Charlotte (CLT), USA to London, United Kingdom (LGW): $370

Depart: 15 Apr 2025 · Return: 29 Apr 2025 Price found 24 Mar 2025, 17:08

From Atlanta

From Atlanta (ATL), USA to London, United Kingdom (LGW): $383

Depart: 29 Apr 2025 · Return: 04 May 2025 Price found 25 Mar 2025, 06:42

From Houston

From Houston (IAH), USA to London, United Kingdom (LGW): $395

Depart: 13 May 2025 · Return: 20 May 2025 Price found 25 Mar 2025, 04:49

From Detroit

From Detroit (DTW), USA to London, United Kingdom (LGW): $426

Depart: 08 Apr 2025 · Return: 21 Apr 2025 Price found 24 Mar 2025, 12:46

From Los Angeles

From Los Angeles (LAX), USA to London, United Kingdom (LGW): $443

Depart: 30 Apr 2025 · Return: 04 May 2025 Price found 21 Mar 2025, 21:36

From Dallas

From Dallas (DFW), USA to London, United Kingdom (LGW): $444

Depart: 14 May 2025 · Return: 21 May 2025 Price found 25 Mar 2025, 06:40

From Minneapolis

From Minneapolis (MSP), USA to London, United Kingdom (LGW): $454

Depart: 07 Apr 2025 · Return: 30 Apr 2025 Price found 24 Mar 2025, 17:37

From Fort Lauderdale

From Fort Lauderdale (FLL), USA to London, United Kingdom (LGW): $471

Depart: 15 Apr 2025 · Return: 22 Apr 2025 Price found 24 Mar 2025, 18:31

From Philadelphia

From Philadelphia (PHL), USA to London, United Kingdom (LGW): $486

Depart: 12 May 2025 · Return: 14 May 2025 Price found 24 Mar 2025, 13:11

From San Francisco

From San Francisco (SFO), USA to London, United Kingdom (LGW): $491

Depart: 30 Sep 2025 · Return: 02 Oct 2025 Price found 23 Mar 2025, 02:31

From Las Vegas

From Las Vegas (LAS), USA to London, United Kingdom (LGW): $505

Depart: 15 Apr 2025 · Return: 29 Apr 2025 Price found 24 Mar 2025, 15:37

From Tampa

From Tampa (TPA), USA to London, United Kingdom (LGW): $517

Depart: 30 Apr 2025 · Return: 09 May 2025 Price found 22 Mar 2025, 02:46

From San Diego

From San Diego (SAN), USA to London, United Kingdom (LGW): $528

Depart: 07 Apr 2025 · Return: 04 May 2025 Price found 22 Mar 2025, 20:33

From Seattle

From Seattle (SEA), USA to London, United Kingdom (LGW): $531

Depart: 17 Aug 2025 · Return: 11 Nov 2025 Price found 24 Mar 2025, 21:46

From Phoenix

From Phoenix (PHX), USA to London, United Kingdom (LGW): $540

Depart: 11 Apr 2025 · Return: 18 Jun 2025 Price found 21 Mar 2025, 19:53

From Portland

From Portland (PDX), USA to London, United Kingdom (LHR): $543

Depart: 13 Apr 2025 · Return: 27 Apr 2025 Price found 24 Mar 2025, 18:51

From Denver

From Denver (DEN), USA to London, United Kingdom (LHR): $575

Depart: 13 Nov 2025 · Return: 20 Nov 2025 Price found 24 Mar 2025, 23:02

From Salt Lake City

From Salt Lake City (SLC), USA to London, United Kingdom (LGW): $583

Depart: 30 Apr 2025 · Return: 04 May 2025 Price found 23 Mar 2025, 16:55