Flights from Baltimore to London Heathrow

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 Shop Baggage Price
Baltimore
London Heathrow
Outbound
03/27/25
1 Stopover (KEF)
FI0642, FI0450
10h 20min
Return
04/17/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair
$439
Best option
Baltimore
London Heathrow
Outbound
03/29/25
direct
BA0228
07h 15min
Return
04/18/25
direct
BA0229
08h 00min
British Airways ?
$617
Baltimore
London Heathrow
Pay attention to transfer at connecting flight
Outbound
03/27/25
2 Stopovers (BOS, KEF)
NK0612, FI0634, FI0450
25h 20min
Return
03/30/25
2 Stopovers (KEF, BOS)
FI0455, FI0631, NK0615
31h 33min
Spirit Airlines, Icelandair
$555
Baltimore
London Heathrow
Outbound
04/12/25
2 Stopovers (KEF, CPH)
FI0642, FI0204, SK0505
14h 30min
Return
04/27/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair, SAS Scandinavian Airlines
$1,399
found 2 days ago
Baltimore
London Heathrow
Outbound
03/27/25
1 Stopover (KEF)
FI0642, FI0450
10h 20min
Return
04/17/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair
$440
Baltimore
London Heathrow
Outbound
03/09/25
1 Stopover (KEF)
FI0642, FI0454
19h 00min
Return
03/16/25
1 Stopover (KEF)
FI0455, FI0643
26h 50min
Icelandair ?
$448
Baltimore
London Heathrow
Outbound
03/24/25
1 Stopover (KEF)
FI0642, FI0450
10h 20min
Return
04/22/25
1 Stopover (KEF)
FI0455, FI0643
27h 00min
Icelandair ?
$460
Baltimore
London Heathrow
Outbound
04/02/25
1 Stopover (KEF)
FI0642, FI0450
10h 25min
Return
04/23/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair
$471
Baltimore
London Heathrow
Outbound
04/28/25
1 Stopover (KEF)
FI0642, FI0450
10h 25min
Return
05/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair ?
$489
Baltimore
London Heathrow
Outbound
04/26/25
1 Stopover (KEF)
FI0642, FI0454
18h 50min
Return
05/23/25
1 Stopover (KEF)
FI0451, FI0643
11h 20min
Icelandair
$518
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Baltimore to London Heathrow

Favorite airline: Icelandair
Most travelers looking for flights on the route from Baltimore to London Heathrow decide to book flights with Icelandair.
Icelandair
95 %
British Airways
4 %
Cheapest weekday: Thursday
Cheap flights on this route are operated on Thursday.
Direct flights are more expensive
Direct flights on this route are $1,832.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
06h 55min
18h 50min
22h 38min
$2,278
$446
$683
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 $438.61
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
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