Flights From Washington (WAS) to Peterborough (LHR)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Selected fares from Washington to Peterborough

The cheapest prices found with in the last 7 days for return flights were CA $668 and CA $360 for one-way flights to Peterborough for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Apr 10 - Sun, Apr 12
IAD
Washington Dulles Intl.
LHR
Heathrow
CA $668 Roundtrip, found 5 days ago
CA $668
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Fri, Apr 10 from Washington Dulles Intl. to Heathrow, returning Sun, Apr 12, priced at CA $668 found 5 days ago
Icelandair
Sun, Feb 15 - Sat, Feb 21
BWI
Baltimore Washington Intl. Thurgood Marshall
LHR
Heathrow
CA $724 Roundtrip, found 3 days ago
CA $724
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sun, Feb 15 from Baltimore Washington Intl. Thurgood Marshall to Heathrow, returning Sat, Feb 21, priced at CA $724 found 3 days ago
TAP Portugal
Sun, Jan 25 - Tue, Feb 3
IAD
Washington Dulles Intl.
LHR
Heathrow
CA $773 Roundtrip, found 3 days ago
CA $773
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Sun, Jan 25 from Washington Dulles Intl. to Heathrow, returning Tue, Feb 3, priced at CA $773 found 3 days ago