Air Canada Cheap Flights from Washington to London

View €332 flight on Wed, 14 Jan 2026Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at €332 for one-way flights and €542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 14 Sep - Tue, 23 Sep
IAD
Washington
LHR
London
€542 Return, found 20 hours ago
€542
Return
found 20 hours ago
Select Air Canada flight, departing Sun, 14 Sep from Washington to London, returning Tue, 23 Sep, priced at €542 found 20 hours ago
Air Canada
Sun, 14 Sep - Tue, 23 Sep
DCA
Washington
LHR
London
€552 Return, found 20 hours ago
€552
Return
found 20 hours ago
Select Air Canada flight, departing Sun, 14 Sep from Washington to London, returning Tue, 23 Sep, priced at €552 found 20 hours ago
Air Canada
Mon, 8 Sep - Tue, 16 Sep
DCA
Washington
LHR
London
€570 Return, found 6 days ago
€570
Return
found 6 days ago
Select Air Canada flight, departing Mon, 8 Sep from Washington to London, returning Tue, 16 Sep, priced at €570 found 6 days ago
Air Canada
Tue, 9 Sep - Tue, 7 Oct
DCA
Washington
LHR
London
€572 Return, found 5 days ago
€572
Return
found 5 days ago
Select Air Canada flight, departing Tue, 9 Sep from Washington to London, returning Tue, 7 Oct, priced at €572 found 5 days ago
Baltimore to London route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Stansted
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5831 km
*Available to Expedia members.