Swiss International Air Lines Cheap Flights from Washington to London

View €344 flight on Sun, 26 Jul 2026Opens in a new window

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Prices were available within the past 7 days and start at €344 for one-way flights and €921 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, 18 Mar - Thu, 26 Mar
IAD
Washington
LCY
London
€921 Return, found 8 hours ago
€921
Return
found 8 hours ago
Select Swiss International Air Lines flight, departing Wed, 18 Mar from Washington to London, returning Thu, 26 Mar, priced at €921 found 8 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from €528
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from €528

Find the cheapest month to fly from Washington (WAS) to London (LON)

February is typically the cheapest month to fly

From €287 - €658 per traveller.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Gatwick
Airlines serving
Aer Lingus, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, JetBlue Airways, KLM, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5829 km
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