Explore Air Canada flights from United States to United Kingdom starting at USD 522*
arrow_drop_down
arrow_drop_down
1 Passenger
arrow_drop_downPromotion code
arrow_drop_downtoday
today
*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Best fares between United States and United Kingdom
flight_takeoff
flight_land
USD
Los Angeles (LAX)to
London, UK (LHR)Feb 02, 2026 - Feb 09, 2026
From
USD 621
Round-trip
Economy
Los Angeles (LAX)to
London, UK (LHR)Feb 16, 2026 - Feb 23, 2026
From
USD 621
Round-trip
Economy
New York (NYC)to
London, UK (LON)Apr 14, 2026 - Apr 21, 2026
From
USD 656
Round-trip
Economy
New York (NYC)to
London, UK (LON)Dec 26, 2025 - Jan 09, 2026
From
USD 891
Round-trip
Economy
San Francisco (SFO)to
London, UK (LHR)Jan 23, 2026 - Jan 30, 2026
From
USD 621
Round-trip
Economy
San Francisco (SFO)to
London, UK (LHR)Jan 17, 2026 - Jan 24, 2026
From
USD 621
Round-trip
Economy
Houston (IAH)to
London, UK (LHR)Dec 20, 2025 - Jan 03, 2026
From
USD 3,094
Round-trip
Economy
New York/Newark (EWR)to
London, UK (LHR)Jul 06, 2026 - Jul 21, 2026
From
USD 777
Round-trip
Economy
New York/Newark (EWR)to
London, UK (LHR)Jul 24, 2026 - Jul 31, 2026
From
USD 901
Round-trip
Economy
Boston (BOS)to
London, UK (LHR)Jan 26, 2026 - Feb 02, 2026
From
USD 522
Round-trip
Economy
Boston (BOS)to
London, UK (LHR)Jan 28, 2026 - Feb 04, 2026
From
USD 522
Round-trip
Economy
Denver (DEN)to
London, UK (LHR)Oct 20, 2026 - Oct 27, 2026
From
USD 633
Round-trip
Economy
Denver (DEN)to
London, UK (LHR)Oct 14, 2026 - Oct 21, 2026
From
USD 637
Round-trip
Economy
Dallas (DFW)to
London, UK (LHR)Mar 17, 2026 - Mar 24, 2026
From
USD 820
Round-trip
Economy
Dallas (DFW)to
London, UK (LHR)Mar 04, 2026 - Mar 11, 2026
From
USD 823
Round-trip
Economy
Philadelphia (PHL)to
London, UK (LHR)Dec 23, 2025 - Jan 03, 2026
From
USD 2,100
Round-trip
Economy
Seattle (SEA)to
London, UK (LHR)Dec 24, 2025 - Jan 04, 2026
From
USD 1,640
Round-trip
Economy
Phoenix (PHX)to
London, UK (LHR)Mar 06, 2026 - Mar 14, 2026
From
USD 1,021
Round-trip
Economy
Portland, OR (PDX)to
London, UK (LHR)Feb 03, 2026 - Feb 10, 2026
From
USD 614
Round-trip
Economy
Portland, OR (PDX)to
London, UK (LHR)Feb 24, 2026 - Mar 03, 2026
From
USD 614
Round-trip
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Find low fares between United States and United Kingdom
flight_takeoff
flight_land
USD
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Los Angeles (LAX) | London, UK (LHR) | Round-trip / Economy | Mar 19, 2026 - Mar 26, 2026 | From USD 621 Viewed: 5 hours ago |
| New York (NYC) | London, UK (LON) | Round-trip / Economy | Apr 14, 2026 - Apr 21, 2026 | From USD 656 Viewed: 3 hours ago |
| San Francisco (SFO) | London, UK (LHR) | Round-trip / Economy | Sep 22, 2026 - Sep 29, 2026 | From USD 630 Viewed: 13 hours ago |
| New York/Newark (EWR) | London, UK (LHR) | Round-trip / Economy | Jul 06, 2026 - Jul 21, 2026 | From USD 777 Viewed: 17 hours ago |
| Boston (BOS) | London, UK (LHR) | Round-trip / Economy | Nov 11, 2026 - Nov 18, 2026 | From USD 538 Viewed: 9 hours ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | Oct 20, 2026 - Oct 27, 2026 | From USD 633 Viewed: 13 hours ago |
| Dallas (DFW) | London, UK (LHR) | Round-trip / Economy | Mar 17, 2026 - Mar 24, 2026 | From USD 820 Viewed: 5 hours ago |
| Portland, OR (PDX) | London, UK (LHR) | Round-trip / Economy | Nov 10, 2026 - Nov 17, 2026 | From USD 630 Viewed: 13 hours ago |
| San Diego (SAN) | London, UK (LHR) | Round-trip / Economy | Sep 02, 2026 - Sep 09, 2026 | From USD 677 Viewed: 9 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.