AirHint found the following cheapest return flights from San Francisco (SFO) to Istanbul (IST)
in April 2025 (see full year ).
Return flights
28 Apr
- 06 May
Hawaiian Airlines
$ 754
30 Apr
- 06 May
Hawaiian Airlines
$ 763
23 Apr
- 08 May
Hawaiian Airlines
$ 794
19 Apr
- 14 May
Frontier Airlines
$ 812
30 Apr
- 07 May
Hawaiian Airlines
$ 818
30 Apr
- 18 May
Hawaiian Airlines
$ 832
26 Apr
- 17 May
Frontier Airlines
$ 846
24 Apr
- 08 May
Hawaiian Airlines
$ 847
22 Apr
- 02 May
KLM
$ 848
19 Apr
- 03 May
Frontier Airlines
$ 851
23 Apr
- 30 Apr
Alaska Airlines
$ 893
21 Apr
- 30 Apr
Scandinavian Airlines
$ 935
10 Apr
- 15 Apr
Frontier Airlines
$ 969
15 Apr
- 22 Apr
Air Canada
$ 982
08 Apr
- 15 Apr
Hawaiian Airlines
$ 989
12 Apr
- 18 Apr
Brussels Airlines
$ 1014
09 Apr
- 16 Apr
Lufthansa
$ 1018
12 Apr
- 26 Apr
Frontier Airlines
$ 1021
07 Apr
- 17 Apr
FrenchBee
$ 1026
08 Apr
- 14 Apr
Alaska Airlines
$ 1042
Also check the deals for one-way flights from San Francisco to Istanbul in April .
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.