Our cheapest offers for flights from Baltimore to London Heathrow

Here you can compare cheap flights from Baltimore (BWI) to London Heathrow (LHR) 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 London Heathrow. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Baltimore London Heathrow	Outbound 05/16/26 1 Stopover (KEF) FI0640, FI0454 16h 00min	Return 05/29/26 1 Stopover (KEF) FI0455, FI0641 29h 50min	Icelandair		$634
Best option Baltimore London Heathrow	Outbound 05/16/26 direct AA6979 07h 20min	Return 05/29/26 direct AA6980 08h 15min	American Airlines	?	$745
Baltimore London Heathrow	Outbound 05/16/26 1 Stopover (KEF) FI0640, FI0454 16h 00min	Return 05/29/26 1 Stopover (KEF) FI0455, FI0641 29h 50min	Icelandair		$637
Baltimore London Heathrow	Outbound 05/16/26 1 Stopover (KEF) FI0642, FI0454 18h 50min	Return 05/29/26 1 Stopover (KEF) FI0455, FI0643 27h 00min	Icelandair	?	$641
Baltimore London Heathrow	Outbound 05/16/26 1 Stopover (KEF) FI0640, FI0454 16h 00min	Return 05/29/26 1 Stopover (KEF) FI0455, FI0643 27h 00min	Icelandair	?	$727
Baltimore London Heathrow	Outbound 05/16/26 1 Stopover (KEF) FI0642, FI0454 18h 50min	Return 05/29/26 1 Stopover (KEF) FI0451, FI0643 11h 20min	Icelandair		$755
Baltimore London Heathrow	Outbound 07/26/26 1 Stopover (ORD) UA2749, UA0929 17h 30min	Return 08/05/26 1 Stopover (ORD) UA0958, UA0675 21h 30min	United Airlines	?	$829 found yesterday
Baltimore London Heathrow	Outbound 05/16/26 direct AY5428 07h 20min	Return 05/29/26 direct AY5429 08h 15min	Finnair	?	$851
Baltimore London Heathrow	Outbound 07/26/26 direct IB3597 07h 20min	Return 08/05/26 direct IB3598 08h 15min	Iberia	?	$855 found yesterday
Baltimore London Heathrow	Outbound 07/26/26 1 Stopover (ORD) UA1996, UA0929 19h 28min	Return 08/05/26 1 Stopover (ORD) UA0958, UA2113 18h 03min	United Airlines	?	$856 found yesterday

Tips and tricks to help you find cheap flights from Baltimore to London Heathrow

Favourite connection: via Reykjavik-Keflavik

Stopover flights on this route are especially popular via Reykjavik-Keflavik, making up 96 % of bookings.

Route

bookings

1 stopover Reykjavik-Keflavik International

18h 50min, from $446

96 %

1 stopover Charlotte Douglas International Airport, NC

30h 13min, from $644

3 %

2 stopovers Boston Logan International Airport, MA Reykjavik-Keflavik International

22h 38min, from $683

1 %

Important flight information

Flight information: Baltimore - London Heathrow

Roundtrip from	$633.03
Flight duration	min. 06:55
Return flight duration	min. 08:30
Distance	5840 km
Flights per week	8
Departure airport	Airport Baltimore-Washington International-Thurgood Marshall Airport, MD (BWI)
Arrival airport	Airport London Heathrow (LHR)
Destination country	Flights to United Kingdom

Alternative flights to London Heathrow

Flight Los Angeles - London Heathrow from $681
Flight Boston - London Heathrow from $500
Flight Detroit - London Heathrow from $681
Flight Washington DC - London Heathrow from $437
Flight Miami - London Heathrow from $668
Flight Chicago O'Hare - London Heathrow from $506
Flight San Francisco - London Heathrow from $641
Flight Denver - London Heathrow from $513
Flight Dallas - London Heathrow from $641
Flight Newark - London Heathrow from $405

Flight destinations with a similar price

Flight London Heathrow - Colombo from $751
Flight London Heathrow - Dubai from $438
Flight London Heathrow - Vienna from $175
Flight London Heathrow - Melbourne from $976
Flight London Heathrow - Sydney from $954
Flight London Heathrow - Toronto from $591
Flight London Heathrow - Geneva from $163
Flight London Heathrow - Zurich from $142
Flight London Heathrow - Edinburgh from $155
Flight London Heathrow - Prague from $151