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Find Flight Deals from Baltimore/Washington to London Heathrow (BWI - LHR)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Baltimore/Washington to London Heathrow

(Round-trip)
Depart: Mon May 11 2015 Return: Wed May 27 2015 Trip spans 17 days
Multiple Airlines
Multiple Airlines
BWI
12:25p
LHR
2:45a
14h 20m
2 stops
LHR
5:10p
BWI
5:02p
23h 52m
2 stops
Depart: Tue May 12 2015 Return: Wed Jun 10 2015 Trip spans 30 days
Multiple Airlines
Multiple Airlines
BWI
12:25p
LHR
11:10a
22h 45m
2 stops
LHR
5:10p
BWI
5:02p
23h 52m
2 stops
Depart: Mon Mar 16 2015 Return: Tue Mar 17 2015 Trip spans 2 days
Air Canada
Air Canada
BWI
2:15a
LHR
12:30p
10h 15m
1 stop
LHR
1:00p
BWI
6:12p
29h 12m
2 stops
Depart: Sun Mar 15 2015 Return: Tue Mar 17 2015 Trip spans 3 days
Air Canada
Air Canada
BWI
12:40p
LHR
12:30p
23h 50m
1 stop
LHR
1:00p
BWI
6:12p
29h 12m
2 stops
Depart: Tue Mar 17 2015 Return: Thu Mar 19 2015 Trip spans 3 days
Air Canada
Air Canada
BWI
12:40p
LHR
12:30p
23h 50m
1 stop
LHR
1:00p
BWI
6:12p
29h 12m
2 stops
Depart: Thu Apr 23 2015 Return: Thu May 14 2015 Trip spans 22 days
Iberia
Iberia
BWI
8:36a
LHR
9:20p
12h 44m
1 stop
LHR
6:05a
BWI
6:15p
12h 10m
1 stop
Depart: Fri Feb 27 2015 Return: Sun Mar 1 2015 Trip spans 3 days
Air Canada
Air Canada
BWI
1:35p
LHR
1:50a
12h 15m
1 stop
LHR
1:00a
BWI
6:12p
17h 12m
2 stops
Depart: Tue Apr 7 2015 Return: Thu Apr 9 2015 Trip spans 3 days
Air Canada
Air Canada
BWI
2:35p
LHR
2:05a
11h 30m
1 stop
LHR
2:00a
BWI
5:17p
15h 17m
2 stops
Depart: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
Air Canada
Air Canada
BWI
2:35p
LHR
2:05a
11h 30m
1 stop
LHR
2:00a
BWI
7:12p
17h 12m
2 stops
Depart: Fri May 1 2015 Return: Thu May 21 2015 Trip spans 21 days
Iberia
Iberia
BWI
8:36a
LHR
9:20p
12h 44m
1 stop
LHR
3:45a
BWI
12:05a
20h 20m
1 stop
Depart: Sat May 2 2015 Return: Mon May 25 2015 Trip spans 24 days
Iberia
Iberia
BWI
7:36a
LHR
9:35p
13h 59m
1 stop
LHR
8:15a
BWI
12:05a
15h 50m
1 stop
Depart: Fri May 8 2015 Return: Fri May 15 2015 Trip spans 8 days
Iberia
Iberia
BWI
8:36a
LHR
9:20p
12h 44m
1 stop
LHR
8:15a
BWI
12:05a
15h 50m
1 stop
Depart: Mon Mar 30 2015 Return: Tue Apr 14 2015 Trip spans 16 days
Iberia
Iberia
BWI
7:36a
LHR
9:35p
13h 59m
1 stop
LHR
8:15a
BWI
12:05a
15h 50m
1 stop
Depart: Tue Mar 31 2015 Return: Mon Apr 13 2015 Trip spans 14 days
Iberia
Iberia
BWI
8:45a
LHR
9:20p
12h 35m
1 stop
LHR
8:15a
BWI
12:05a
15h 50m
1 stop
Depart: Wed Mar 25 2015 Return: Tue Apr 14 2015 Trip spans 21 days
Iberia
Iberia
BWI
10:50a
LHR
10:20p
11h 30m
1 stop
LHR
6:05a
BWI
6:15p
12h 10m
1 stop
Depart: Thu Feb 26 2015 Return: Sun Mar 1 2015 Trip spans 4 days
Air Canada
Air Canada
BWI
1:35p
LHR
8:25p
30h 50m
1 stop
LHR
1:00a
BWI
6:12p
17h 12m
2 stops
Depart: Sun Apr 5 2015 Return: Tue Apr 28 2015 Trip spans 24 days
Iberia
Iberia
BWI
7:36a
LHR
1:45p
30h 09m
1 stop
LHR
9:55a
BWI
12:05a
38h 10m
2 stops
Depart: Sun Mar 29 2015 Return: Sun Apr 26 2015 Trip spans 29 days
British Airways
British Airways
BWI
5:30p
LHR
1:00a
7h 30m
nonstop
LHR
12:30p
BWI
8:50p
8h 20m
nonstop
Depart: Sat Apr 4 2015 Return: Mon Apr 27 2015 Trip spans 24 days
$1009
Select
American Airlines
American Airlines
BWI
11:35a
LHR
10:40p
11h 05m
1 stop
LHR
12:30p
BWI
8:50p
8h 20m
nonstop
Depart: Wed Jun 3 2015 Return: Tue Jun 16 2015 Trip spans 14 days
$1274
Select
Aer Lingus
Aer Lingus
BWI
11:18a
LHR
1:15a
13h 57m
2 stops
LHR
4:50a
BWI
7:38p
14h 48m
2 stops
Change your search
Direct flights BWI to LHR on American Airlines
Flight # Depart BWI Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6173 7:20 pm 7:35 am Feb 13 - Mar 7
6173 7:20 pm 7:35 am Feb 5 - Feb 11
6173 8:20 pm 7:35 am Mar 8 - Mar 27
Airports
Origin

Baltimore
$834
Destination

London
$834