AirHint found the following cheapest return flights from Sandefjord (TRF) to Istanbul (IST) in April 2026 (see full year).

Return flights

13 Apr - 21 Apr	Ryanair
13 Apr - 20 Apr	Ryanair
26 Apr - 02 May	Ryanair
11 Apr - 28 Apr	Wizz Air
21 Apr - 28 Apr	Wizz Air
04 Apr - 11 Apr	Wizz Air
10 Apr - 13 Apr	Wizz Air Malta
19 Apr - 21 Apr	Ryanair
24 Apr - 27 Apr	Wizz Air Malta
17 Apr - 26 Apr	Wizz Air Malta
27 Apr - 06 May	Wizz Air Malta
17 Apr - 19 Apr	Wizz Air Malta
30 Apr - 02 May	Ryanair
30 Apr - 04 May	Wizz Air Malta
30 Apr - 03 May	Ryanair

Also check the deals for one-way flights from Sandefjord 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Sandefjord to Istanbul in April from $125

Return flights