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Cheap Flights to London

World-class museums, historic landmarks & vibrant culture — with unbeatable transatlantic fares

Flight Deals to London

London is the most popular transatlantic destination and benefits from fierce airline competition, making it one of the cheapest European cities to fly to from the US. With six airports and dozens of carriers competing for passengers, deals appear constantly — especially from East Coast cities where fares regularly drop below $400 roundtrip.

Best Time to Fly to London

January through March offers the cheapest fares. October-November is also good value with pleasant autumn weather.

This Week's Picks

See What You're Missing

Real deals from this week - subscribers get these and more, every Friday.

58% off San Francisco → Amsterdam ($1092)$1092
🇺🇸From San Francisco

58% off San Francisco → Amsterdam ($1092)

SFO to Amsterdam is 58% below typical right now at just $1092 round-trip - plus Tokyo Narita from $641 (55% off) and Dublin from $1070 (46% off) are two more standout deals this week.

May 15
56% off Los Angeles → Melbourne ($1017)$1017
🇺🇸From Los Angeles

56% off Los Angeles → Melbourne ($1017)

LAX to Melbourne is 56% below typical right now at just $1017 round-trip - plus Direct flights to Seattle from $128 and Los Cabos from $338.

May 15
66% off US Cities → Frankfurt ($840)$840

66% off US Cities → Frankfurt ($840)

LAS to Frankfurt just hit $840 round-trip - 66% below the typical $2,480 median - plus direct deals from ORD to Rome for $737 and SEA to Amsterdam for $1,132 (57% off).

May 15
64% off Washington DC → Reykjavik ($650)$650
🇺🇸From Washington DC

64% off Washington DC → Reykjavik ($650)

IAD → Reykjavik is 64% below typical right now at just $650 round-trip - plus direct deals to Cancun from $314 and Los Angeles from $227.

May 15
78% off Boston → Tel Aviv ($1443)$1443
🇺🇸From Boston

78% off Boston → Tel Aviv ($1443)

Snag BOS → Tel Aviv for just $1443 round-trip - 78% below the typical median price - plus Punta Cana for $393 and Seattle for $292 from Logan this week.

May 15
69% off Asia-Pacific → London Heathrow ($1206)$1206

69% off Asia-Pacific → London Heathrow ($1206)

Cape Town to London Heathrow for just $1206 round-trip - 69% below the typical median price - plus SIN to Bali for $129 and HKG to Tokyo Narita for $214.

May 15

Want more deals like these?

Tips for Finding Cheap Flights to London

Fly to London From

🇺🇸New York→🇺🇸Boston→🇺🇸Philadelphia→🇺🇸Chicago→🇺🇸Washington DC→🇺🇸Miami→🇺🇸Los Angeles→🇺🇸San Francisco→🇺🇸Atlanta→

Frequently Asked Questions

What is the cheapest flight to London?

Roundtrip flights from the US East Coast regularly drop to $300-400 during sales. From NYC, fares under $350 appear several times per year on carriers like Norse Atlantic, JetBlue, and TAP.

Which London airport should I fly into?

Heathrow (LHR) has the best transport links and most full-service flights. Gatwick is good for budget carriers. Stansted and Luton are cheaper but further from central London.

How far in advance should I book?

For the best London fares, book 2-4 months ahead for economy. However, last-minute sales and error fares can offer even better prices — subscribe to get alerted.

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