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
11/09/25
1 Stopover (KEF)
FI0642, FI0454
18h 50min
Return
12/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 25min
Icelandair
$581
Best option
Baltimore
London Heathrow
Outbound
11/09/25
direct
IB3597
07h 05min
Return
12/07/25
1 Stopover (ORD)
IB3636, AA3419
13h 07min
Iberia ?
$676
Baltimore
London Heathrow
Outbound
11/09/25
1 Stopover (KEF)
FI0642, FI0454
18h 50min
Return
12/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 25min
Icelandair
$585
Baltimore
London Heathrow
Outbound
11/09/25
1 Stopover (KEF)
FI0642, FI0450
10h 10min
Return
12/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 25min
Icelandair ?
$607
Baltimore
London Heathrow
Outbound
11/09/25
1 Stopover (KEF)
FI0642, FI0454
18h 50min
Return
12/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 25min
Icelandair
$621
Baltimore
London Heathrow
Outbound
11/09/25
1 Stopover (ORD)
UA1316, UA0938
24h 00min
Return
12/07/25
1 Stopover (ORD)
UA0958, UA2649
14h 45min
United Airlines ?
$634
Baltimore
London Heathrow
Outbound
11/09/25
1 Stopover (KEF)
FI0642, FI0450
10h 10min
Return
12/07/25
1 Stopover (KEF)
FI0451, FI0643
11h 25min
Icelandair ?
$681
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 $580.88
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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