AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
12 May
- 22 May
Icelandair
$ 725
13 May
- 24 May
Icelandair
$ 732
11 May
- 20 May
Hawaiian Airlines
$ 753
11 May
- 18 May
Icelandair
$ 768
18 May
- 24 May
Icelandair
$ 770
11 May
- 19 May
Hawaiian Airlines
$ 773
19 May
- 24 May
Icelandair
$ 776
12 May
- 21 May
Icelandair
$ 781
12 May
- 24 May
Icelandair
$ 784
18 May
- 25 May
Icelandair
$ 791
29 May
- 13 Jun
Icelandair
$ 812
20 May
- 03 Jun
Icelandair
$ 832
23 May
- 06 Jun
WestJet
$ 940
17 May
- 01 Jun
Qatar Airways
$ 963
22 May
- 01 Jun
Air Canada
$ 983
23 May
- 06 Jun
Turkish Airlines
$ 1105
direct
22 May
- 01 Jun
Turkish Airlines
$ 1125
direct
20 May
- 03 Jun
Turkish Airlines
$ 1134
direct
17 May
- 01 Jun
Turkish Airlines
$ 1318
direct
29 May
- 13 Jun
Turkish Airlines
$ 1484
direct
Also check the deals for one-way flights from Seattle to Istanbul in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
