Quick Answer
Three days is the perfect first visit to Istanbul. Day 1: Sultanahmet, with Hagia Sophia, the Basilica Cistern, Topkapı Palace and the Blue Mosque. Day 2: the Grand Bazaar, Spice Bazaar, Süleymaniye Mosque, Galata Tower and İstiklal Avenue. Day 3: a Bosphorus ferry, the Asian side (Kadıköy and Moda), Balat and Ortaköy at sunset. Don't do Day 1 on a Tuesday (Topkapı is closed) or Day 2 on a Sunday (the Grand Bazaar is closed).
Istanbul is huge, but the best of it fits beautifully into three days if you plan by neighbourhood. This itinerary keeps walking short, avoids the most common closing days, and mixes the famous sights with the local side of the city.
Before you start: get an Istanbulkart (the city transport card) at the airport metro station or any station machine. One card can be shared: tap once for each person. It works on the metro, trams, buses, the Marmaray train and the public ferries.
Day 1: Sultanahmet, the historic heart
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- Hagia Sophia at opening time: foreign visitors use the tourist entrance on the northeast side, near the Topkapı gates, not the main door on Sultanahmet Square, which is for worshippers. The ticket covers the upper galleries and their famous mosaics (about €25 at the time of writing). The ground floor is kept for prayer.
- Basilica Cistern: walk two minutes to the underground Byzantine cistern with its forest of columns and the Medusa heads. Pay by card or Istanbulkart: cash is no longer accepted.
- Topkapı Palace and the Harem: spend 2.5 to 3.5 hours in the Ottoman sultans' palace, with its treasury, courtyards and views over the Bosphorus. It is closed on Tuesdays.
- Lunch nearby, then the Blue Mosque: entry is free, but it closes to visitors during the five daily prayers. Go between prayer times and use the visitor entrance.
- Evening in Sultanahmet: walk the Hippodrome and see Hagia Sophia and the Blue Mosque lit up at night.
Dress code for mosques: cover shoulders and knees. Women cover their hair (free scarves are provided). Shoes come off at the door.
Friday tip: mosques, including Hagia Sophia, close to visitors around the midday Friday prayer, roughly 12:00 to 14:30. On a Friday, do Topkapı in the middle of the day instead.
Day 2: Bazaars, Süleymaniye, Galata and Beyoğlu
- Grand Bazaar (morning): more than 4,000 shops under painted domes. It is open about 9 am to 7 pm and closed on Sundays and public holidays. Haggling is normal in the bazaar.
- Walk downhill to the Spice Bazaar: Turkish delight, spices, teas and dried fruit, and free to enter.
- Süleymaniye Mosque: the grandest of the Ottoman mosques, free to visit, with some of the best views over the Golden Horn.
- Cross the Galata Bridge on foot, watching the fishermen, and try a balık ekmek (fish sandwich) near Eminönü.
- Galata Tower: climb for 360° views of the old city and the Bosphorus. Go early or late to avoid the longest queues.
- Karaköy and İstiklal Avenue: cafés, street art and the historic tram, then walk up to Taksim Square in the evening.
Optional: Dolmabahçe Palace, the dazzling 19th-century palace on the Bosphorus, fits well into a Day 2 or Day 3 morning. It is closed on Mondays, and the Museum Pass is not valid there.
Day 3: The Bosphorus, the Asian side and Balat
- Take a public ferry across the Bosphorus. The public ferries (Şehir Hatları and others) cost about the same as a metro ride and give you the classic skyline views. Ride from Eminönü or Karaköy to Kadıköy on the Asian side.
- Kadıköy and Moda: a lively food market, meze restaurants and a relaxed seaside walk in Moda. This is where locals spend their weekends.
- Balat and Fener (afternoon): colourful houses, steep streets, antique shops and cafés in one of the city's most photogenic old neighbourhoods.
- Ortaköy at sunset: the little Ortaköy Mosque sits right under the Bosphorus Bridge. Try a kumpir (stuffed baked potato) from the stalls.
Got a 4th day? Take the ferry to the car-free Princes' Islands for bike rides and wooden mansions.
Useful Istanbul tips for 2026
- No more cover or service charges: since 30 January 2026, restaurants and cafés in Turkey cannot add a cover charge ("kuver"), a service charge or a "table fee", and cannot charge for starters you did not order. The menu price is the final price.
- Tipping is voluntary. Leave a little cash if you enjoyed the service.
- Transport fares rose about 20% in February 2026. The Istanbulkart still gives you the lowest fares and cheaper transfers within 90 minutes. Money left on the card is not refunded, so do not over-load it.
- From Istanbul Airport (IST): take the M11 metro to Gayrettepe and change to the M2 towards Taksim, or use the Havaist airport buses.
- Taxis: use BiTaksi or Uber. In Istanbul, Uber calls a regular yellow taxi.
- Museum Pass Istanbul (5 days from first use) covers Topkapı and the Harem, Hagia Irene and the Archaeology Museums, but not Hagia Sophia, the Basilica Cistern or Dolmabahçe. Do the maths for your plans before buying.
- Weekly closing days: Topkapı on Tuesday, Dolmabahçe on Monday, the Grand Bazaar on Sunday.
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What to eat in Istanbul
- Simit: sesame bread rings sold on every corner, perfect for breakfast.
- Balık ekmek: grilled fish sandwiches by the water in Eminönü.
- Meze and fresh fish: in Kadıköy or along the Bosphorus.
- Kumpir: loaded baked potatoes in Ortaköy.
- Baklava: try it in Karaköy, famous for its baklava shops.
- Turkish tea and coffee: everywhere, all day.
Staying connected in Istanbul
You will use your phone all the time: Google Maps in the maze of old streets, BiTaksi, ferry times, museum tickets and restaurant menus. A travel eSIM is the easiest option: install it at home and it connects the moment you land at IST or SAW.
In our [2026 network data](/blog/which-network-does-my-travel-esim-use-by-country-2026), travel eSIMs in Turkey connect to Türk Telekom and Vodafone, with 5G on some plans. Coverage is excellent across Istanbul, including on the ferries.
Get an [Istanbul eSIM](/destinations/esim-istanbul), see all [Turkey eSIM plans](/destinations/esim-turkey), or plan the rest of your trip with our guide to the [12 best places to visit in Turkey](/blog/best-places-to-visit-in-turkey-2026).
Frequently asked questions
Are 3 days enough for Istanbul?
Yes, for a first visit. Three days covers Sultanahmet, the bazaars, Galata and a Bosphorus ferry to the Asian side. Add a fourth day for Dolmabahçe Palace or the Princes' Islands.
What day is Topkapı Palace closed?
Topkapı Palace is closed on Tuesdays. The Grand Bazaar is closed on Sundays, and Dolmabahçe Palace is closed on Mondays.
How much does Hagia Sophia cost for tourists?
Foreign visitors pay for a ticket to the upper galleries (about €25 at the time of writing) and use a separate tourist entrance. The ground floor is a working mosque and is kept for prayer.
Is the Istanbul Museum Pass worth it?
Only if you plan to visit several covered museums, such as Topkapı with the Harem, Hagia Irene and the Archaeology Museums. It does not include Hagia Sophia, the Basilica Cistern or Dolmabahçe.
Can restaurants in Istanbul charge a service fee?
No. Since 30 January 2026, cover charges, service charges and table fees are banned in restaurants and cafés across Turkey. You pay the menu price.
Do I need an eSIM for Istanbul?
It makes the trip much easier. Maps, taxis and ferry apps need data. A travel eSIM connects to local Turkish networks, costs much less than roaming, and you can install it before you fly.
The bottom line
Plan Istanbul by neighbourhood: Sultanahmet on Day 1, the bazaars and Galata on Day 2, and the Bosphorus and the Asian side on Day 3. Avoid Topkapı on Tuesdays and the Grand Bazaar on Sundays, carry an Istanbulkart, and stay online everywhere with an [Istanbul eSIM](/destinations/esim-istanbul).
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