Explore Air Canada flights from United States to United Kingdom starting at
† Aeroplan flight bookings are currently only available on the Canadian point of sale. Learn more.
Best fares between United States and United Kingdom
Seattle (SEA)to
London, UK (LHR)Portland, OR (PDX)to
London, UK (LHR)Cleveland (CLE)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 cash
Seattle (SEA)to
London, UK (LHR)Denver (DEN)to
London, UK (LHR)Portland, OR (PDX)to
London, UK (LHR)Cleveland (CLE)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
| FromNew York (NYC) | ToLondon, UK (LON) | Round-trip / Economy | Oct 26, 2024 - Nov 01, 2024 | 122,400 pts + CAD 152 Viewed: 12 hours ago |
| FromLos Angeles (LAX) | ToLondon, UK (LHR) | Round-trip / Economy | Dec 17, 2024 - Dec 24, 2024 | 160,000 pts + CAD 308 Viewed: 18 hours ago |
| FromPhiladelphia (PHL) | ToLondon, UK (LHR) | Round-trip / Economy | Oct 24, 2024 - Nov 03, 2024 | 64,500 pts + CAD 341 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.