Cheapest return flights from Seattle to London in June from $804
AirHint found the following cheapest return flights from Seattle (SEA) to London (LHR)
in June 2026 (see full year ).
Return flights
02 Jun
- 13 Jun
Scandinavian Airlines
$ 804
16 Jun
- 28 Jul
Icelandair
$ 821
06 Jun
- 23 Jun
Scandinavian Airlines
$ 864
16 Jun
- 30 Jun
Scandinavian Airlines
$ 873
23 Jun
- 30 Jun
Scandinavian Airlines
$ 887
04 Jun
- 16 Jun
Icelandair
$ 891
04 Jun
- 16 Jun
British Airways
$ 904
direct
14 Jun
- 04 Jul
Scandinavian Airlines
$ 921
15 Jun
- 27 Jun
Lufthansa
$ 933
20 Jun
- 27 Jun
Scandinavian Airlines
$ 943
20 Jun
- 11 Jul
Scandinavian Airlines
$ 943
16 Jun
- 30 Jun
British Airways
$ 947
direct
24 Jun
- 08 Jul
Air Canada
$ 984
03 Jun
- 27 Jun
Air Canada
$ 988
17 Jun
- 11 Jul
Air Canada
$ 1027
11 Jun
- 04 Jul
WestJet
$ 1069
24 Jun
- 08 Jul
British Airways
$ 1136
direct
14 Jun
- 04 Jul
British Airways
$ 1206
direct
17 Jun
- 11 Jul
British Airways
$ 1206
direct
11 Jun
- 04 Jul
British Airways
$ 1275
direct
Also check the deals for one-way flights from Seattle to London in June .
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