Baggage rules at Istanbul Airport (IST) depend on which airline you fly and which fare sits on your ticket. Turkish Airlines alone runs several fare families with different checked allowances, its low-cost sibling AJet sells bags separately (AJet flies from Sabiha Gokcen, not IST, so you will not find it in the checker), and the international carriers flying out of Istanbul each publish their own limits and fees, in three different currencies. Rules also change often enough that last year's numbers are frequently wrong this year.
The checker below keeps track of it for you. Pick your airline and fare type, and you get the current personal item, cabin bag and checked bag allowances, plus overweight and oversize fees, with a link to the airline's official page.
⚠ Allowance depends on route AND fare package; TK publishes no flat fee table — use the baggage calculator. Short European EcoFly fares can be hand-baggage only. TRY/EUR/USD fees change often.
Allowances for flights departing Istanbul Airport (IST), from the airline's official baggage page. Updated 2026-07-06. Fares and fees change — always confirm with your airline before you pack. Want this checker on your website? Embed it free →
How to read your allowance at IST
Three things trip travelers up at Istanbul Airport more than anything else:
- Fare families decide everything. On Turkish Airlines, the same route can include very different checked allowances depending on the fare family on your booking. Check the fare name on your confirmation email, not just the airline.
- Domestic and international rules differ. Allowances on domestic Turkish flights are typically lower than on international departures, and international allowances can switch between weight-based and piece-based systems depending on the destination.
- Currency mix. Fees at IST are published in euros, US dollars or Turkish lira depending on the airline, and lira prices move often. Treat any fee you read online as a snapshot and confirm before you fly.
What you may carry into the cabin
The checker above deals with what goes into the hold. Cabin rules are shorter, and they are the ones enforced at the gate, so they are worth knowing before you pack. On Turkish Airlines a cabin bag must fit 55 x 40 x 23 cm and weigh no more than 8 kg, and a garment bag counts as that single cabin bag as long as it stays within 114 x 60 x 11 cm.
Liquids follow the usual hundred-millilitre rule, with one detail travelers keep getting wrong: the limit applies to the container, not to what is left inside it. A half-empty 200 ml bottle holding 90 ml of shampoo is still refused at security. Everything liquid travels in original containers of 100 ml or less, inside one transparent one-litre zip bag, and one such bag per passenger. Shaving foam and toothpaste are allowed, and so is a lighter, provided it stays with you in the cabin rather than in a checked bag.
Several things sit outside that arithmetic altogether. Baby food, liquid or solid, may be carried in whatever quantity your child needs during the flight, and Turkish Airlines applies no 100 ml limit to it. Prescription medicines are exempt from the 100 ml rule as well, provided they stay in their original packaging and you carry a doctor's note saying you need them with you. Respiratory equipment is allowed in the cabin, and a tennis or squash racquet may come aboard when it is carried in its own bag — Turkish Airlines lists both among the items accepted alongside the 8 kg cabin bag. For something fragile and expensive, an instrument for instance, Turkish Airlines sells a seat for the item itself: cabin-seat baggage may measure up to 40 x 50 x 67 cm and weigh up to 75 kg, one piece per seat, and you may buy more than one seat.
One practical warning for full flights at IST: cabin crew can ask you to place a personal item under the seat in front of you to speed up boarding, so anything you will want during the flight belongs in the bag that stays at your feet, not in the one going into the overhead locker.
Habits that save money
Weigh your bag at home, because per-kilo excess charges at the desk are the most expensive way to fly with luggage. Buy extra bags online before you reach the airport, where the same bag costs less than it does at the Turkish Airlines desk in the IST departures hall. And if your bag hovers near the limit, moving a kilo into your cabin bag is free, while a kilo over the checked limit is not.
Sorting out the rest of your trip? See our IST transport guide for getting into the city, or the layover guide if you have hours to fill at IST.
Frequently asked questions
Does Turkish Airlines include checked baggage from Istanbul?
On most standard international fares, yes, at least one checked bag is included, and higher fare families include more. The lowest promotional fares and domestic tickets can include less, so check the fare family on your booking against the checker above before you pack.
Are baggage rules the same at IST and Sabiha Gokcen?
The airline sets the rules, not the airport, so your allowance is the same at both. What differs is the airline mix: IST is the Turkish Airlines hub, while low-cost carriers cluster at Sabiha Gokcen on the Asian side.
What happens if my bag is overweight at Istanbul Airport?
You pay the airline's overweight fee at check-in, which is usually charged per extra kilo or in weight bands, and it is consistently more expensive than buying extra allowance online in advance. If the bag is close to the limit, shifting items into your cabin bag at the row of scales near check-in is the free fix.
Which currency are baggage fees charged in at IST?
It depends on the airline: Turkish carriers usually publish lira or US dollar prices, European carriers use euros, and Gulf carriers often use dollars. Card payments are accepted at check-in desks, and the checker above links to each airline's official fee page for current numbers.