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)21/01/2026 - 25/01/2026from£ 389Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Newark/New York (EWR)04/02/2026 - 08/02/2026from£ 351Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Los Angeles (LAX)16/01/2026 - 23/01/2026from£ 373Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Chicago (ORD)31/12/2025 - 14/01/2026from£ 417Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Denver (DEN)26/02/2026 - 02/03/2026from£ 444Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Houston (IAH)21/02/2026 - 25/02/2026from£ 595Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Washington, D.C. (IAD)05/03/2026 - 09/03/2026from£ 414Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Boston (BOS)17/02/2026 - 24/02/2026from£ 353Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Orlando (MCO)05/03/2026 - 09/03/2026from£ 392Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Miami (MIA)23/01/2026 - 30/01/2026from£ 397Viewed: 5 hours agoRoundtripEconomyLondon (LHR)to
Newark/New York (LGA)02/03/2026 - 16/03/2026from£ 381Viewed: 21 hours agoRoundtripEconomy
London (LHR)to
San Diego (SAN)04/03/2026 - 08/03/2026from£ 432Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Philadelphia (PHL)04/02/2026 - 08/02/2026from£ 439Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Dallas (DFW)07/02/2026 - 14/02/2026from£ 689Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Fort Lauderdale (FLL)22/01/2026 - 05/02/2026from£ 429Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Las Vegas (LAS)04/02/2026 - 08/02/2026from£ 429Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Tampa (TPA)08/02/2026 - 15/02/2026from£ 397Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Fort Myers (RSW)19/01/2026 - 02/02/2026from£ 496Viewed: 5 hours agoRoundtripEconomy
London (LHR)to
Seattle (SEA)06/03/2026 - 10/03/2026from£ 387Viewed: 4 hours agoRoundtripEconomy
London (LHR)to
Cleveland (CLE)31/12/2025 - 14/01/2026from£ 645Viewed: 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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£
London (LHR)to
Newark/New York (EWR)
01/08/2026 - 12/08/2026
Roundtrip
Business
from
£ 1,685
Viewed: 1 day ago
London (LHR)to
San Francisco (SFO)
06/09/2026 - 22/09/2026
Roundtrip
Business
from
£ 3,279
Viewed: 42 minutes ago
London (LHR)to
Los Angeles (LAX)
03/06/2026 - 08/06/2026
Roundtrip
Business
from
£ 4,000
Viewed: 22 hours ago
London (LHR)to
Houston (IAH)
01/07/2026 - 31/07/2026
Roundtrip
Business
from
£ 2,800
Viewed: 14 hours ago
London (LHR)to
Chicago (ORD)
09/04/2026 - 12/04/2026
Roundtrip
Business
from
£ 2,115
Viewed: 1 day ago
London (LHR)to
Denver (DEN)
28/07/2026 - 03/08/2026
Roundtrip
Business
from
£ 2,564
Viewed: 1 hour ago
London (LHR)to
Washington, D.C. (IAD)
17/03/2026 - 25/03/2026
Roundtrip
Business
from
£ 1,997
Viewed: 17 hours ago
London (LHR)to
Orlando (MCO)
22/10/2026 - 03/11/2026
Roundtrip
Business
from
£ 2,943
Viewed: 1 day 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.