CA $318 Cheap TAP Portugal fights from Washington (WAS) to London (LON)

View CA $318 flight on Tue, Oct. 21, 2025Opens in a new window

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TAP Portugal flights from Washington to London (WAS→LON)

Prices were available within the past 7 days and start at CA $318 for one-way flights and CA $612 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Wed, Oct. 15 - Tue, Oct. 21
IAD
Washington
LGW
London
CA $612 Roundtrip, found 8 hours ago
CA $612
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Oct. 15 from Washington to London, returning Tue, Oct. 21, priced at CA $612 found 8 hours ago
TAP Portugal
Tue, Sep. 23 - Thu, Oct. 2
IAD
Washington
LHR
London
CA $615 Roundtrip, found 6 days ago
CA $615
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Tue, Sep. 23 from Washington to London, returning Thu, Oct. 2, priced at CA $615 found 6 days ago
TAP Portugal
Wed, Oct. 15 - Tue, Oct. 21
IAD
Washington
LHR
London
CA $617 Roundtrip, found 8 hours ago
CA $617
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Oct. 15 from Washington to London, returning Tue, Oct. 21, priced at CA $617 found 8 hours ago
TAP Portugal
Wed, Oct. 15 - Tue, Oct. 21
IAD
Washington
LGW
London
CA $745 Roundtrip, found 8 hours ago
CA $745
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Oct. 15 from Washington to London, returning Tue, Oct. 21, priced at CA $745 found 8 hours ago
TAP Portugal
Wed, Oct. 15 - Tue, Oct. 21
IAD
Washington
LGW
London
CA $852 Roundtrip, found 8 hours ago
CA $852
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Oct. 15 from Washington to London, returning Tue, Oct. 21, priced at CA $852 found 8 hours ago
TAP Portugal
Sun, Aug. 17 - Tue, Aug. 26
IAD
Washington
LGW
London
CA $922 Roundtrip, found 8 hours ago
CA $922
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Sun, Aug. 17 from Washington to London, returning Tue, Aug. 26, priced at CA $922 found 8 hours ago
Flight from Washington to London (IAD - LGW) route information
Origin airport
Washington Dulles Intl.
Destination airport
Gatwick
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5896 km
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