Flights from London to the United States from £ 544*
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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)24/08/2026 - 07/09/2026from£ 613Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Newark/New York (EWR)14/07/2026 - 21/07/2026from£ 594Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Los Angeles (LAX)15/06/2026 - 28/07/2026from£ 615Viewed: 19 hours agoRoundtripEconomy
London (LHR)to
Chicago (ORD)24/06/2026 - 08/07/2026from£ 694Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Washington, D.C. (IAD)15/07/2026 - 29/07/2026from£ 591Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Houston (IAH)07/07/2026 - 14/07/2026from£ 1,006Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Denver (DEN)08/07/2026 - 15/07/2026from£ 739Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Boston (BOS)01/07/2026 - 08/07/2026from£ 544Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Orange County (SNA)03/08/2026 - 17/08/2026from£ 619Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
San Diego (SAN)24/08/2026 - 07/09/2026from£ 658Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Dallas (DFW)01/07/2026 - 08/07/2026from£ 1,015Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Sacramento (SMF)24/08/2026 - 07/09/2026from£ 743Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Redmond (RDM)24/08/2026 - 07/09/2026from£ 780Viewed: 9 hours agoRoundtripEconomy
London (LHR)to
Honolulu (HNL)24/08/2026 - 07/09/2026from£ 1,242Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Orlando (MCO)07/07/2026 - 21/07/2026from£ 685Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Las Vegas (LAS)24/08/2026 - 07/09/2026from£ 789Viewed: 17 hours agoRoundtripEconomyLondon (LHR)to
Steamboat Springs (HDN)24/06/2026 - 08/07/2026from£ 1,042Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Austin (AUS)23/06/2026 - 07/07/2026from£ 779Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
San Antonio (SAT)14/07/2026 - 21/07/2026from£ 1,045Viewed: 17 hours agoRoundtripEconomy
London (LHR)to
Kansas City (MCI)06/07/2026 - 20/07/2026from£ 1,045Viewed: 17 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
San Francisco (SFO)
19/12/2026 - 29/12/2026
Roundtrip
Business
from
£ 3,461
Viewed: 8 hours ago
London (LHR)to
Newark/New York (EWR)
05/08/2026 - 26/08/2026
Roundtrip
Business
from
£ 3,975
Viewed: 1 day ago
London (LHR)to
Los Angeles (LAX)
22/10/2026 - 30/10/2026
Roundtrip
Business
from
£ 4,330
Viewed: 15 hours ago
London (LHR)to
Chicago (ORD)
16/07/2026 - 18/08/2026
Roundtrip
Business
from
£ 5,058
Viewed: 17 hours ago
London (LHR)to
Houston (IAH)
19/12/2026 - 02/01/2027
Roundtrip
Business
from
£ 3,912
Viewed: 12 hours ago
London (LHR)to
Washington, D.C. (IAD)
24/07/2026 - 10/08/2026
Roundtrip
Business
from
£ 3,962
Viewed: 1 day ago
London (LHR)to
Denver (DEN)
02/04/2027 - 16/04/2027
Roundtrip
Business
from
£ 3,169
Viewed: 10 hours ago
London (LHR)to
San Diego (SAN)
07/06/2026 - 21/11/2026
Roundtrip
Business
from
£ 9,849
Viewed: 14 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.