Explore Air Canada flights from United States to United Kingdom starting at

Select journey type

Enter to select travel class and passengers

Last-minute fares between United States and United Kingdom

  1. Boston (BOS) to London (LHR)

    Jul 17, 2019-

    Jul 31, 2019

    USD 1,234*

    Round-trip / Economy

  2. Dallas (DFW) to London (LHR)

    Jul 17, 2019-

    Jul 31, 2019

    USD 1,315*

    Round-trip / Economy

  3. Denver (DEN) to London (LHR)

    Jul 11, 2019-

    Jul 18, 2019

    USD 1,019*

    Round-trip / Economy

  4. Los Angeles (LAX) to London (LHR)

    Jul 11, 2019-

    Jul 18, 2019

    USD 1,226*

    Round-trip / Economy

  5. San Francisco (SFO) to London (LHR)

    Jul 11, 2019-

    Jul 18, 2019

    USD 1,047*

    Round-trip / Economy

  6. Portland, OR (PDX) to London (LHR)

    Jul 17, 2019-

    Jul 24, 2019

    USD 1,061*

    Round-trip / Economy

*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.

Book your flight between United States and United Kingdom today and save

FromToDepartureFare TypePrice

Boston (BOS)

London (LHR)

Oct 02, 2019-

Oct 16, 2019

Round-trip / Economy
USD 354*
Viewed:2hoursago

Dallas (DFW)

London (LHR)

Oct 08, 2019-

Oct 22, 2019

Round-trip / Economy
USD 747*
Viewed:2hoursago

Denver (DEN)

London (LHR)

Nov 17, 2019-

Nov 24, 2019

Round-trip / Economy
USD 484*
Viewed:2hoursago

Los Angeles (LAX)

London (LHR)

Oct 09, 2019-

Oct 16, 2019

Round-trip / Economy
USD 441*
Viewed:2hoursago

San Francisco (SFO)

London (LHR)

Sep 25, 2019-

Oct 02, 2019

Round-trip / Economy
USD 421*
Viewed:2hoursago

Portland, OR (PDX)

London (LHR)

Jan 21, 2020-

Jan 28, 2020

Round-trip / Economy
USD 712*
Viewed:2hoursago

Pittsburgh (PIT)

London (LHR)

Oct 13, 2019-

Oct 26, 2019

Round-trip / Economy
USD 621*
Viewed:8hoursago

*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.