Explore Air Canada flights from United States to United Kingdom starting at USD 512*
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*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
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flight_land
USD
Los Angeles (LAX)to
London, UK (LHR)Mar 01, 2026 - Mar 08, 2026
From
USD 631
Round-trip
Economy
Los Angeles (LAX)to
London, UK (LHR)Feb 20, 2026 - Feb 27, 2026
From
USD 645
Round-trip
Economy
San Francisco (SFO)to
London, UK (LHR)Mar 05, 2026 - Mar 12, 2026
From
USD 621
Round-trip
Economy
San Francisco (SFO)to
London, UK (LHR)Jan 28, 2026 - Feb 04, 2026
From
USD 621
Round-trip
Economy
Houston (IAH)to
London, UK (LHR)Nov 07, 2026 - Nov 21, 2026
From
USD 872
Round-trip
Economy
Houston (IAH)to
London, UK (LHR)Jun 22, 2026 - Jul 06, 2026
From
USD 1,331
Round-trip
Economy
Washington, D.C. (IAD)to
London, UK (LHR)Mar 26, 2026 - Apr 06, 2026
From
USD 862
Round-trip
Economy
Boston (BOS)to
London, UK (LHR)Feb 11, 2026 - Feb 18, 2026
From
USD 512
Round-trip
Economy
Boston (BOS)to
London, UK (LHR)Mar 03, 2026 - Mar 10, 2026
From
USD 515
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 18, 2026 - Mar 25, 2026
From
USD 820
Round-trip
Economy
Denver (DEN)to
London, UK (LHR)Mar 03, 2026 - Mar 10, 2026
From
USD 617
Round-trip
Economy
Denver (DEN)to
London, UK (LHR)Mar 10, 2026 - Mar 17, 2026
From
USD 617
Round-trip
Economy
Austin (AUS)to
London, UK (LHR)Mar 02, 2026 - Mar 06, 2026
From
USD 964
Round-trip
Economy
San Diego (SAN)to
London, UK (LHR)Jun 28, 2026 - Jul 11, 2026
From
USD 1,476
Round-trip
Economy
Philadelphia (PHL)to
London, UK (LHR)Mar 27, 2026 - Apr 03, 2026
From
USD 907
Round-trip
Economy
Pittsburgh (PIT)to
London, UK (LHR)Mar 06, 2026 - Mar 14, 2026
From
USD 872
Round-trip
Economy
Pittsburgh (PIT)to
London, UK (LHR)Dec 25, 2025 - Jan 02, 2026
From
USD 2,701
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)Jan 21, 2026 - Jan 28, 2026
From
USD 629
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
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USD
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Los Angeles (LAX) | London, UK (LHR) | Round-trip / Economy | Oct 14, 2026 - Oct 21, 2026 | From USD 662 Viewed: 14 hours ago |
| San Francisco (SFO) | London, UK (LHR) | Round-trip / Economy | Nov 10, 2026 - Nov 17, 2026 | From USD 630 Viewed: 10 hours ago |
| Houston (IAH) | London, UK (LHR) | Round-trip / Economy | Nov 07, 2026 - Nov 21, 2026 | From USD 872 Viewed: 17 hours ago |
| Washington, D.C. (IAD) | London, UK (LHR) | Round-trip / Economy | Mar 26, 2026 - Apr 06, 2026 | From USD 862 Viewed: 15 hours ago |
| Boston (BOS) | London, UK (LHR) | Round-trip / Economy | Mar 24, 2026 - Mar 31, 2026 | From USD 525 Viewed: 14 hours ago |
| Dallas (DFW) | London, UK (LHR) | Round-trip / Economy | Mar 24, 2026 - Mar 31, 2026 | From USD 834 Viewed: 18 hours ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | Oct 20, 2026 - Oct 27, 2026 | From USD 633 Viewed: 2 hours ago |
| San Diego (SAN) | London, UK (LHR) | Round-trip / Economy | Jun 28, 2026 - Jul 11, 2026 | From USD 1,476 Viewed: 21 hours ago |
| Philadelphia (PHL) | London, UK (LHR) | Round-trip / Economy | Mar 27, 2026 - Apr 03, 2026 | From USD 907 Viewed: 22 hours ago |
| Portland, OR (PDX) | London, UK (LHR) | Round-trip / Economy | Nov 10, 2026 - Nov 17, 2026 | From USD 630 Viewed: 22 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.