Explore Air Canada flights from United States to United Kingdom starting at CAD 2,033*
*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.
Flights between United States and United Kingdom - our lowest fares in cash
Seattle (SEA)to
London, UK (LHR)*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.
Flights between United States and United Kingdom - our lowest fares in points
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Los Angeles (LAX) | London, UK (LHR) | Round-trip / Economy | Aug 28, 2026 - Sep 10, 2026 | From 80,000 pts + CAD 430 Viewed: 1 day ago |
| Washington, D.C. (IAD) | London, UK (LHR) | Round-trip / Economy | Aug 27, 2026 - Sep 01, 2026 | From 74,000 pts + CAD 421 Viewed: 9 hours ago |
| New York/Newark (EWR) | London, UK (LHR) | Round-trip / Economy | Oct 09, 2026 - Oct 12, 2026 | From 66,600 pts + CAD 460 Viewed: 1 minutes ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | Aug 23, 2026 - Aug 31, 2026 | From 158,000 pts + CAD 178 Viewed: 19 hours ago |
| Seattle (SEA) | London, UK (LHR) | Round-trip / Economy | Jan 04, 2027 - Feb 01, 2027 | From 157,800 pts + CAD 882 Viewed: 1 day ago |
| Dallas (DFW) | London, UK (LHR) | Round-trip / Economy | Dec 23, 2026 - Dec 28, 2026 | From 240,000 pts + CAD 1,279 Viewed: 19 hours ago |
| New York (JFK) | London, UK (LHR) | Round-trip / Economy | Aug 20, 2026 - Aug 28, 2026 | From 71,400 pts + CAD 314 Viewed: 5 hours ago |
| Phoenix (PHX) | London, UK (LHR) | Round-trip / Economy | Oct 03, 2026 - Oct 07, 2026 | From 77,600 pts + CAD 181 Viewed: 1 day ago |
*Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs 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.