Flights from London to the United States from £ 354*
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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
Newark/New York (EWR)12/05/2026 - 19/05/2026from£ 427Viewed: 18 hours agoRoundtripEconomy
London (LHR)to
San Francisco (SFO)06/03/2026 - 10/03/2026from£ 354Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Los Angeles (LAX)05/03/2026 - 09/03/2026from£ 354Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Washington, D.C. (IAD)08/03/2026 - 22/03/2026from£ 447Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Chicago (ORD)12/05/2026 - 19/05/2026from£ 500Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Denver (DEN)14/04/2026 - 30/04/2026from£ 559Viewed: 20 hours agoRoundtripEconomy
London (LHR)to
Houston (IAH)02/09/2026 - 19/11/2026from£ 796Viewed: 23 hours agoRoundtripEconomy
London (LHR)to
Boston (BOS)05/05/2026 - 19/05/2026from£ 426Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Orlando (MCO)21/04/2026 - 28/04/2026from£ 480Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Austin (AUS)29/04/2026 - 13/05/2026from£ 588Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Tampa (TPA)06/05/2026 - 13/05/2026from£ 481Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
San Diego (SAN)04/05/2026 - 18/05/2026from£ 528Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Portland, OR (PDX)04/05/2026 - 18/05/2026from£ 628Viewed: 5 hours agoRoundtripEconomyLondon (LHR)to
Newark/New York (LGA)05/05/2026 - 19/05/2026from£ 457Viewed: 23 hours agoRoundtripEconomy
London (LHR)to
Phoenix (PHX)11/05/2026 - 18/05/2026from£ 662Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Las Vegas (LAS)06/05/2026 - 20/05/2026from£ 639Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Miami (MIA)05/05/2026 - 12/05/2026from£ 476Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Philadelphia (PHL)28/04/2026 - 12/05/2026from£ 535Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Palm Springs (PSP)13/05/2026 - 20/05/2026from£ 570Viewed: 23 hours agoRoundtripEconomy
London (LHR)to
Seattle (SEA)29/04/2026 - 13/05/2026from£ 535Viewed: 5 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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£
London (LHR)to
Newark/New York (EWR)
02/11/2026 - 21/11/2026
Roundtrip
Business
from
£ 2,349
Viewed: 16 hours ago
London (LHR)to
San Francisco (SFO)
25/06/2026 - 11/07/2026
Roundtrip
Business
from
£ 3,862
Viewed: 13 hours ago
London (LHR)to
Los Angeles (LAX)
11/10/2026 - 27/10/2026
Roundtrip
Business
from
£ 3,046
Viewed: 1 minutes ago
London (LHR)to
Washington, D.C. (IAD)
15/07/2026 - 28/07/2026
Roundtrip
Business
from
£ 2,412
Viewed: 20 hours ago
London (LHR)to
Chicago (ORD)
18/08/2026 - 31/08/2026
Roundtrip
Business
from
£ 2,638
Viewed: 17 hours ago
London (LHR)to
Denver (DEN)
17/12/2026 - 27/12/2026
Roundtrip
Business
from
£ 2,664
Viewed: 13 hours ago
London (LHR)to
Houston (IAH)
02/09/2026 - 19/11/2026
Roundtrip
Business
from
£ 3,165
Viewed: 23 hours ago
London (LHR)to
Boston (BOS)
02/11/2026 - 21/11/2026
Roundtrip
Business
from
£ 2,426
Viewed: 16 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.