Cheap Swiss International Air Lines flights Washington (IAD) to London (LHR)

Cheap Swiss International Air Lines flights Washington (IAD) to London (LHR)

Prices were available within the past 7 days and start at for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, Mar 22 - Tue, Mar 31
IAD
Washington
LHR
London
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Mar 22 from Washington to London, returning Tue, Mar 31, priced at $622 found 1 day ago
Swiss International Air Lines
Sun, Mar 22 - Tue, Mar 31
IAD
Washington
LHR
London
$623 Roundtrip, found 1 day ago
$623
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Mar 22 from Washington to London, returning Tue, Mar 31, priced at $623 found 1 day ago
Swiss International Air Lines
Sun, Mar 22 - Tue, Mar 31
IAD
Washington
LHR
London
$637 Roundtrip, found 1 day ago
$637
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Mar 22 from Washington to London, returning Tue, Mar 31, priced at $637 found 1 day ago
Flights from Washington (IAD) to London (LHR)
Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5866 km
Average flight time
12 hours 20 mins