Open interactive map →Cheap flights from Istanbul to Gaziantep
Planning a trip from Istanbul to Gaziantep? Current fares start at €31 - a solid entry point for a flight to Turkiye. Several airlines compete on this route, which helps keep fares relatively stable. The cheapest fare is non-stop, so no connection time to factor into your schedule. Use the price calendar to identify your cheapest month, then click through to compare live seat availability.
The cheapest fares on popular routes like this tend to sell out first, so it pays to book early once you spot a good price. Early-morning and late-night departures from Istanbul are often priced lower than midday flights. SkyHopp refreshes fares regularly - if the current price doesn't fit your budget, check back in a few days as availability changes. See all flights from Istanbul to Turkiye→
Notify me when prices drop
SkyHopp Recommends
Cheapest month to fly
- October 2026€31DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €31.
Prices last updated: September 2026
Alternative routes
Other ways to reach Gaziantep
Frequently asked questions
How much does a flight from Istanbul to Gaziantep cost?
The cheapest fare currently available from Istanbul to Gaziantep is €31. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Istanbul to Gaziantep?
Yes - non-stop flights are currently available from Istanbul to Gaziantep. The cheapest direct fare starts at €31, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Turkiye. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Istanbul to Gaziantep?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Istanbul. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.