Flights from London to the United States from £ 431*
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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)21/09/2026 - 24/09/2026from£ 505Viewed: 1 day agoRoundtripEconomy
London (LHR)to
San Francisco (SFO)06/09/2026 - 17/09/2026from£ 444Viewed: 1 hour agoRoundtripEconomy
London (LHR)to
Chicago (ORD)10/09/2026 - 14/09/2026from£ 531Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Los Angeles (LAX)23/08/2026 - 10/09/2026from£ 438Viewed: 11 hours agoRoundtripEconomy
London (LHR)to
Denver (DEN)02/09/2026 - 09/09/2026from£ 584Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Houston (IAH)01/09/2026 - 15/09/2026from£ 794Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Washington, D.C. (IAD)03/09/2026 - 10/09/2026from£ 444Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Phoenix (PHX)05/09/2026 - 09/09/2026from£ 673Viewed: 13 hours agoRoundtripEconomy
London (LHR)to
Boston (BOS)02/09/2026 - 06/09/2026from£ 431Viewed: 13 hours agoRoundtripEconomy
London (LHR)to
San Diego (SAN)08/09/2026 - 22/09/2026from£ 554Viewed: 13 hours agoRoundtripEconomy
London (LHR)to
Austin (AUS)05/09/2026 - 12/09/2026from£ 611Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Atlanta (ATL)02/09/2026 - 06/09/2026from£ 481Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Seattle (SEA)01/09/2026 - 15/09/2026from£ 474Viewed: 13 hours agoRoundtripEconomy
London (LHR)to
Honolulu (HNL)09/09/2026 - 23/09/2026from£ 1,182Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Jacksonville (JAX)05/09/2026 - 12/09/2026from£ 507Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Dallas (DFW)04/09/2026 - 18/09/2026from£ 801Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Orange County (SNA)23/08/2026 - 06/09/2026from£ 443Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
Orlando (MCO)31/08/2026 - 07/09/2026from£ 445Viewed: 11 hours agoRoundtripEconomy
London (LHR)to
Philadelphia (PHL)11/09/2026 - 15/09/2026from£ 555Viewed: 14 hours agoRoundtripEconomy
London (LHR)to
San Jose (SJC)02/09/2026 - 09/09/2026from£ 576Viewed: 6 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
Newark/New York (EWR)
15/12/2026 - 05/01/2027
Roundtrip
Business
from
£ 2,501
Viewed: 21 hours ago
London (LHR)to
San Francisco (SFO)
28/12/2026 - 11/01/2027
Roundtrip
Business
from
£ 3,485
Viewed: 22 hours ago
London (LHR)to
Chicago (ORD)
19/11/2026 - 30/11/2026
Roundtrip
Business
from
£ 3,158
Viewed: 15 hours ago
London (LHR)to
Los Angeles (LAX)
02/02/2027 - 17/02/2027
Roundtrip
Business
from
£ 3,479
Viewed: 22 hours ago
London (LHR)to
Denver (DEN)
25/03/2027 - 01/04/2027
Roundtrip
Business
from
£ 3,161
Viewed: 10 hours ago
London (LHR)to
Houston (IAH)
06/03/2027 - 18/03/2027
Roundtrip
Business
from
£ 3,377
Viewed: 12 hours ago
London (LHR)to
Washington, D.C. (IAD)
27/12/2026 - 02/01/2027
Roundtrip
Business
from
£ 3,062
Viewed: 11 hours ago
London (LHR)to
Boston (BOS)
03/08/2026 - 09/08/2026
Roundtrip
Business
from
£ 3,130
Viewed: 13 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.