Explore Air Canada flights from United States to United Kingdom starting at CAD 3,982*
*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
Houston (IAH)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 |
|---|---|---|---|---|
| New York (NYC) | London, UK (LON) | Round-trip / Economy | Mar 25, 2026 - Apr 12, 2026 | From 60,700 pts + CAD 382 Viewed: 1 day ago |
| Los Angeles (LAX) | London, UK (LHR) | Round-trip / Economy | May 17, 2026 - Jun 04, 2026 | From 157,600 pts + CAD 176 Viewed: 1 day ago |
| San Francisco (SFO) | London, UK (LHR) | Round-trip / Economy | May 24, 2026 - Jun 10, 2026 | From 160,000 pts + CAD 313 Viewed: 1 day ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | May 24, 2026 - Jun 15, 2026 | From 79,600 pts + CAD 359 Viewed: 1 day ago |
| Washington, D.C. (IAD) | London, UK (LHR) | Round-trip / Economy | Mar 30, 2026 - Apr 04, 2026 | From 63,700 pts + CAD 391 Viewed: 1 day ago |
| Houston (IAH) | London, UK (LHR) | Round-trip / Economy | Jul 15, 2026 - Jul 29, 2026 | From 367,600 pts + CAD 1,501 Viewed: 1 day ago |
| Boston (BOS) | London, UK (LHR) | Round-trip / Economy | Aug 14, 2026 - Aug 30, 2026 | From 194,400 pts + CAD 263 Viewed: 1 day ago |
| New York/Newark (EWR) | London, UK (LHR) | Round-trip / Economy | Apr 28, 2026 - May 08, 2026 | From 121,000 pts + CAD 773 Viewed: 21 hours ago |
| Philadelphia (PHL) | London, UK (LHR) | Round-trip / Economy | Mar 25, 2026 - Apr 04, 2026 | From 64,600 pts + CAD 93 Viewed: 18 hours ago |
| Phoenix (PHX) | London, UK (LHR) | Round-trip / Economy | Sep 16, 2026 - Oct 02, 2026 | From 158,400 pts + CAD 176 Viewed: 1 day ago |
| New Orleans (MSY) | London, UK (LHR) | Round-trip / Economy | Aug 07, 2026 - Aug 20, 2026 | From 79,500 pts + CAD 396 Viewed: 17 hours 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.