Cheap Flights from Washington to London (IAD - LHR)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from IAD to LHR

Sun Mon Tue Wed Thu Fri Sat
  1 $822 2 $1073 3 $988 4 $1014 5 $962 6 $1060
7 $919 8 $872 9 $986 10 $986 11 $1014 12 $1091 13 $957
14 $1000 15 $972 16 $958 17 $996 18 $1211 19 $1288 20 $1275
21 $1208 22 $1184 23 $1181 24 $928 25 $1144 26 $1133 27 $931
28 $1111 29 $1075 30 $1110 31 $927      

Best fares found by others...

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Direct flights IAD to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 7:15 pm 7:35 am Dec 16 - Dec 31
4383 7:15 pm 7:35 am Jan 3 - Jan 10
4383 7:15 pm 7:35 am Dec 7 - Dec 15
4383 7:15 pm 7:35 am Jan 2 - Jan 6
4383 9:35 pm 9:55 am Dec 4 - Dec 18
4383 9:35 pm 9:55 am Jan 1 - Jan 1