AirHint found the following cheapest return flights from Washington (IAD) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
13 May
- 22 May
Scandinavian Airlines
$ 679
11 May
- 18 May
Scandinavian Airlines
$ 775
21 May
- 31 May
Icelandair
$ 820
01 May
- 09 May
Icelandair
$ 833
16 May
- 26 May
Icelandair
$ 910
15 May
- 01 Jun
Delta
$ 939
19 May
- 16 Jun
Scandinavian Airlines
$ 957
19 May
- 15 Jun
Air Canada
$ 982
01 May
- 09 May
Turkish Airlines
$ 1170
direct
13 May
- 22 May
Turkish Airlines
$ 1191
direct
19 May
- 16 Jun
Turkish Airlines
$ 1209
direct
16 May
- 26 May
Turkish Airlines
$ 1255
direct
11 May
- 18 May
Turkish Airlines
$ 1274
direct
21 May
- 31 May
Turkish Airlines
$ 1285
direct
19 May
- 15 Jun
Turkish Airlines
$ 1295
direct
15 May
- 01 Jun
Turkish Airlines
$ 1360
direct
Also check the deals for one-way flights from Washington 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.
