The cheapest one-way ticket from Constanta to Istanbul found recently is 71€, on 1 Mar (March 2027, direct). The most expensive month is November 2026, from 76€. Round trips start at 170€, in November 2026. There are direct flights, the shortest taking 1h 15m. Airlines on this route: Turkish Airlines.
Lowest fare by month
| Month | One way | Round trip |
|---|---|---|
| November 2026 | 76€15 Nov · direct | 170€18 Nov–22 Nov · direct |
| December 2026 | 76€7 Dec · direct | 177€7 Dec–14 Dec · direct |
| January 2027 | — | 171€29 Jan–31 Jan · direct |
| March 2027 | 71€1 Mar · direct | — |
Cheapest days in March 2027
One way, per adult. Blank days: nobody searched them lately.
At a glance
- Airports
- CND → SAW · IST
- Airlines
- Turkish Airlines
- Direct flights
- Yes, direct fares were seen
The rest of the trip to Istanbul
- Internet when you land ↗An eSIM for the country, set up before you fly. Handy outside the EU, or when roaming costs extra.
- A ride from the airport ↗A driver waiting at arrivals, at a fixed price.
- Rent a car ↗Cars from local rental companies around the country.
- Things to do in Istanbul ↗Tickets for museums, tours and sights.
Flight delayed by three hours or more, or cancelled? Under EU rules you may be owed up to €600. Check your claim.
Frequently asked questions
How much is a flight from Constanta to Istanbul?
The cheapest one-way ticket found recently is 71€, in March 2027. A round trip starts at 170€. Fares are per adult and change often.
What is the cheapest month to fly from Constanta to Istanbul?
March 2027, from 71€ one way. The most expensive is November 2026, from 76€.
Are there direct flights from Constanta to Istanbul?
Yes, direct fares were found on this route in recent days.
How long is the flight from Constanta to Istanbul?
The shortest flight found takes 1h 15m.
Which airlines fly from Constanta to Istanbul?
Turkish Airlines.
Which airports do flights from Constanta to Istanbul use?
They leave from CND and land at SAW, IST.
Want to know when it gets cheaper?
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Watch this routeFlying back: Istanbul to Constanta
Istanbul → ConstantaFares are the lowest travellers found in recent days' searches, per adult. They change: check the price before you book. Booking links go to our travel partner and are affiliate links: if you book through them we earn a small commission, at no cost to you.