Book Air Canada flights to United Kingdom from USD 521*
*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 to United Kingdom
New York (NYC)to
London, UK (LON)San Francisco (SFO)to
London, UK (LHR)San Francisco (SFO)to
London, UK (LHR)Los Angeles (LAX)to
London, UK (LHR)Los Angeles (LAX)to
London, UK (LHR)Washington, D.C. (IAD)to
London, UK (LHR)Los Angeles (LAX)to
London, UK (LON)Washington, D.C. (IAD)to
London, UK (LHR)Boston (BOS)to
London, UK (LHR)Boston (BOS)to
London, UK (LHR)New York (JFK)to
London, UK (LHR)Seattle (SEA)to
London, UK (LHR)Seattle (SEA)to
London, UK (LHR)Houston (IAH)to
London, UK (LHR)Denver (DEN)to
London, UK (LHR)Denver (DEN)to
London, UK (LHR)New York (JFK)to
London, UK (LHR)Philadelphia (PHL)to
London, UK (LHR)Austin (AUS)to
London, UK (LHR)Portland, OR (PDX)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.
Find low fares to United Kingdom
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| San Francisco (SFO) | London, UK (LHR) | Round-trip / Economy | Mar 17, 2026 - Mar 24, 2026 | From USD 620 Viewed: 2 hours ago |
| Los Angeles (LAX) | London, UK (LHR) | Round-trip / Economy | Mar 19, 2026 - Mar 26, 2026 | From USD 617 Viewed: 6 hours ago |
| Boston (BOS) | London, UK (LHR) | Round-trip / Economy | Mar 17, 2026 - Mar 24, 2026 | From USD 528 Viewed: 10 hours ago |
| New York (JFK) | London, UK (LHR) | Round-trip / Economy | Jul 08, 2026 - Jul 17, 2026 | From USD 680 Viewed: 4 hours ago |
| Seattle (SEA) | London, UK (LHR) | Round-trip / Economy | Nov 03, 2026 - Nov 17, 2026 | From USD 730 Viewed: 17 hours ago |
| Houston (IAH) | London, UK (LHR) | Round-trip / Economy | May 12, 2026 - May 29, 2026 | From USD 802 Viewed: 3 hours ago |
| Denver (DEN) | London, UK (LHR) | Round-trip / Economy | Mar 17, 2026 - Mar 24, 2026 | From USD 619 Viewed: 6 hours ago |
| Portland, OR (PDX) | London, UK (LHR) | Round-trip / Economy | Oct 20, 2026 - Oct 27, 2026 | From USD 629 Viewed: 14 hours ago |
| Austin (AUS) | London, UK (LHR) | Round-trip / Economy | Jul 29, 2026 - Aug 17, 2026 | From USD 929 Viewed: 23 hours ago |
| Dallas (DFW) | London, UK (LHR) | Round-trip / Economy | Mar 17, 2026 - Mar 24, 2026 | From USD 819 Viewed: 6 hours ago |
| Jacksonville, FL (JAX) | London, UK (LHR) | Round-trip / Economy | Aug 25, 2026 - Sep 12, 2026 | From USD 892 Viewed: 21 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.