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Our cheapest offers for flights from London to United States

Here you can compare cheap flights from London (LON) to United States for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to United States. Prices and availability may change at any time.

Flights from London (LON) to Chicago (CHI)

	Outbound	Return	Airlines	Baggage	Price
London Chicago	Outbound 04/11/24 1 Stopover (KEF) FI0471, FI0853 11h 25min	Return 12/11/24 1 Stopover (KEF) FI0852, FI0470 10h 25min	Icelandair		£379
Best option London Chicago	Outbound 26/10/24 direct BA0297 08h 40min	Return 12/11/24 direct BA1543 07h 40min	British Airways	?	£543
London Chicago	Outbound 04/11/24 1 Stopover (KEF) FI0471, FI0853 11h 25min	Return 12/11/24 1 Stopover (KEF) FI0852, FI0470 10h 25min	Icelandair		£381

Flights from London (LON) to Los Angeles (LAX)

	Outbound	Return	Airlines	Baggage	Price
London Los Angeles	Outbound 04/11/24 1 Stopover (JFK) BA2273, BA4689 17h 26min	Return 12/11/24 1 Stopover (JFK) BA4762, BA2272 13h 35min	British Airways	?	£386
Best option London Los Angeles	Outbound 04/11/24 direct BA1614 11h 35min	Return 12/11/24 direct BA0280 10h 20min	British Airways		£431
London Los Angeles	Outbound 04/11/24 1 Stopover (JFK) IB3773, AA0300 16h 28min	Return 12/11/24 1 Stopover (JFK) AA0307, IB3772 18h 00min	Iberia, American Airlines	?	£400

Flights from London (LON) to Orlando (MCO)

	Outbound	Return	Airlines	Baggage	Price
Best option London Orlando	Outbound 04/11/24 direct KL4824 09h 40min	Return 12/11/24 1 Stopover (ATL) KL5238, KL6195 10h 50min	KLM	?	£410
London Orlando	Outbound 26/10/24 direct Z00783 09h 25min	Return 12/11/24 direct IB3756 08h 20min	Norse Atlantic UK		£874
London Orlando	Outbound 04/11/24 direct AA7012 10h 00min	Return 12/11/24 1 Stopover (LGA, JFK) AA3083, AA6932 16h 10min	American Airlines	?	£418

Flights from London (LON) to Miami (MIA)

	Outbound	Return	Airlines	Baggage	Price
London Miami	Outbound 24/02/25 direct Z00723 09h 45min	Return 26/02/25 1 Stopover (LGA, JFK) NK1405, Z00702 14h 45min	Norse Atlantic UK		£391
Best option London Miami	Outbound 04/11/24 direct BA0209 09h 50min	Return 12/11/24 direct BA0206 08h 20min	British Airways		£470
London Miami	Outbound 24/02/25 direct Z00723 09h 45min	Return 26/02/25 1 Stopover (EWR, JFK) NK1897, Z00702 18h 45min	Norse Atlantic UK	?	£396

Flights from London (LON) to New York (NYC)

	Outbound	Return	Airlines	Baggage	Price
London New York	Outbound 07/02/25 1 Stopover (BCN) VY7831, VY9797 17h 05min	Return 11/02/25 direct Z00702 06h 50min	Vueling Airlines		£241
Best option London New York	Outbound 12/01/25 direct Z00701 08h 15min	Return 29/01/25 direct Z00702 06h 50min	Norse Atlantic UK		£243
London New York	Outbound 04/11/24 direct BA2273 08h 15min	Return 12/11/24 direct BA2272 06h 55min	British Airways	?	£353

Flights from London (LON) to San Francisco (SFO)

	Outbound	Return	Airlines	Baggage	Price
London San Francisco	Outbound 18/02/25 1 Stopover (AMS) VS7046, VS7146 13h 20min	Return 25/02/25 direct VS0020 10h 15min	Virgin Atlantic Airways	?	£425
Best option London San Francisco	Outbound 26/10/24 direct AF9659 11h 00min	Return 12/11/24 direct AF9650 10h 15min	Air France	?	£476
London San Francisco	Outbound 17/01/25 1 Stopover (AMS) KL1000, KL0605 13h 20min	Return 11/02/25 1 Stopover (SLC) KL7843, KL6113 12h 25min	KLM	?	£432

Flights from London (LON) to Boston (BOS)

	Outbound	Return	Airlines	Baggage	Price
London Boston Pay attention to transfer at connecting flight	Outbound 24/02/25 2 Stopovers (KEF, BWI) U26341, OG0101, NK2075 20h 49min	Return 26/02/25 1 Stopover (EWR, JFK) NK2326, Z00702 14h 10min	easyJet, Play, Spirit Airlines		£368
Best option London Boston	Outbound 04/11/24 direct VS0157 07h 55min	Return 12/11/24 direct VS0158 06h 45min	Virgin Atlantic Airways	?	£386
London Boston	Outbound 04/11/24 1 Stopover (JFK) AA6938, AA4659 13h 20min	Return 12/11/24 1 Stopover (JFK) AA4503, AA6932 31h 34min	American Airlines	?	£370

Flights from London (LON) to Baltimore (BWI)

	Outbound	Return	Airlines	Baggage	Price
London Baltimore	Outbound 24/02/25 1 Stopover (KEF) BA0894, OG0101 14h 20min	Return 26/02/25 1 Stopover (KEF) OG0102, BA0895 15h 50min	British Airways, Play	?	£489
London Baltimore	Outbound 24/02/25 direct BA0229 08h 20min	Return 26/02/25 direct BA0228 07h 10min	British Airways	?	£2,921
London Baltimore	Outbound 17/01/25 1 Stopover (KEF) FI0455, FI0643 26h 50min	Return 11/02/25 1 Stopover (KEF) FI0642, FI0454 19h 00min	Icelandair		£509

Flights from London (LON) to Philadelphia (PHL)

	Outbound	Return	Airlines	Baggage	Price
London Philadelphia	Outbound 04/11/24 1 Stopover (BOS) B61621, B60759 16h 17min	Return 12/11/24 1 Stopover (BOS) B60360, B61620 16h 47min	JetBlue Airways	?	£477
Best option London Philadelphia	Outbound 26/10/24 direct BA1588 08h 00min	Return 12/11/24 direct BA1587 07h 00min	British Airways	?	£562
London Philadelphia	Outbound 17/01/25 1 Stopover (DUB) BA5955, BA1580 11h 45min	Return 11/02/25 1 Stopover (DUB) BA1579, BA5964 11h 10min	British Airways	?	£531

Flights from London (LON) to Santa Ana, CA (SNA)

	Outbound	Return	Airlines	Price
Best option London Santa Ana, CA	Outbound 24/02/25 1 Stopover (YYC) WS0019, WS1580 29h 45min	Return 26/02/25 1 Stopover (YYC) WS1581, WS0018 15h 30min	Westjet	£469
London Santa Ana, CA	Outbound 24/02/25 1 Stopover (YYC) WS0019, WS1580 29h 45min	Return 26/02/25 1 Stopover (YYC) WS1581, WS0018 15h 30min	Westjet	£472
London Santa Ana, CA	Outbound 24/02/25 1 Stopover (YYC) WS0019, WS1580 29h 45min	Return 26/02/25 1 Stopover (YYC) WS1581, WS0018 15h 30min	Westjet	£474