Explore Air Canada flights from United States to United Kingdom starting at CAD 1,561*
*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
Pittsburgh (PIT)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 | Jul 16, 2026 - Jul 25, 2026 | From 98,000 pts + CAD 434 Viewed: 1 day ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | Jul 12, 2026 - Jul 18, 2026 | From 318,000 pts + CAD 1,343 Viewed: 10 hours ago |
| Boston (BOS) | London, UK (LHR) | Round-trip / Economy | Jun 17, 2026 - Jun 21, 2026 | From 71,900 pts + CAD 396 Viewed: 16 hours ago |
| Houston (IAH) | London, UK (LHR) | Round-trip / Economy | May 30, 2026 - Jun 08, 2026 | From 80,000 pts + CAD 173 Viewed: 22 hours ago |
| Austin (AUS) | London, UK (LHR) | Round-trip / Economy | Jul 23, 2026 - Aug 05, 2026 | From 159,400 pts + CAD 928 Viewed: 20 hours ago |
| Denver (DEN) | Edinburgh (EDI) | Round-trip / Economy | Sep 13, 2026 - Sep 19, 2026 | From 87,200 pts + CAD 405 Viewed: 16 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.