Flights from London to the United States from £ 351*
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1 Passenger, Economy
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today
today
Find United's best fares from London to the United States
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flight_land
£
London (LHR)to
San Francisco (SFO)03/03/2026 - 17/03/2026from£ 389Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Los Angeles (LAX)06/03/2026 - 10/03/2026from£ 373Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Newark/New York (EWR)28/01/2026 - 03/02/2026from£ 351Viewed: 19 hours agoRoundtripEconomy
London (LHR)to
Denver (DEN)29/01/2026 - 12/02/2026from£ 444Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Washington, D.C. (IAD)24/01/2026 - 30/01/2026from£ 414Viewed: 16 hours agoRoundtripEconomy
London (LHR)to
Chicago (ORD)15/01/2026 - 26/01/2026from£ 418Viewed: 1 day agoRoundtripEconomy
London (LHR)to
Houston (IAH)21/02/2026 - 28/02/2026from£ 595Viewed: 18 hours agoRoundtripEconomy
London (LHR)to
Boston (BOS)06/02/2026 - 13/02/2026from£ 353Viewed: 4 hours agoRoundtripEconomyLondon (LHR)to
Newark/New York (LGA)12/03/2026 - 16/03/2026from£ 381Viewed: 21 hours agoRoundtripEconomy
London (LHR)to
Orlando (MCO)11/03/2026 - 18/03/2026from£ 392Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Phoenix (PHX)04/02/2026 - 18/02/2026from£ 560Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Miami (MIA)14/01/2026 - 18/01/2026from£ 397Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Las Vegas (LAS)04/02/2026 - 08/02/2026from£ 429Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Sacramento (SMF)04/02/2026 - 11/02/2026from£ 538Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
San Diego (SAN)18/02/2026 - 22/02/2026from£ 432Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Tampa (TPA)05/02/2026 - 09/02/2026from£ 397Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Dallas (DFW)19/02/2026 - 23/02/2026from£ 689Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Seattle (SEA)30/01/2026 - 03/02/2026from£ 387Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Austin (AUS)04/02/2026 - 18/02/2026from£ 497Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Minneapolis (MSP)04/02/2026 - 11/02/2026from£ 722Viewed: 4 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class flights from London to the United States
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flight_land
£
London (LHR)to
San Francisco (SFO)
29/07/2026 - 27/08/2026
Roundtrip
Business
from
£ 2,150
Viewed: 15 hours ago
London (LHR)to
Newark/New York (EWR)
23/05/2026 - 28/05/2026
Roundtrip
Business
from
£ 1,985
Viewed: 13 hours ago
London (LHR)to
Los Angeles (LAX)
12/08/2026 - 26/08/2026
Roundtrip
Business
from
£ 3,033
Viewed: 19 hours ago
London (LHR)to
Denver (DEN)
29/08/2026 - 08/09/2026
Roundtrip
Business
from
£ 2,916
Viewed: 5 hours ago
London (LHR)to
Washington, D.C. (IAD)
16/07/2026 - 30/07/2026
Roundtrip
Business
from
£ 1,985
Viewed: 23 hours ago
London (LHR)to
Chicago (ORD)
29/03/2026 - 05/04/2026
Roundtrip
Business
from
£ 2,272
Viewed: 18 hours ago
London (LHR)to
Houston (IAH)
21/02/2026 - 28/02/2026
Roundtrip
Business
from
£ 2,948
Viewed: 18 hours ago
London (LHR)to
Boston (BOS)
07/06/2026 - 11/06/2026
Roundtrip
Business
from
£ 3,026
Viewed: 8 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.