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70 to 100 euros a day per person, excluding flights: that’s the budget to plan for three days, enough to see the best of Istanbul without rushing. Day 1 covers Sultanahmet’s landmarks (Hagia Sophia, the Blue Mosque, the Basilica Cistern); day 2 starts at Topkapi Palace, then the Grand Bazaar, the Süleymaniye Mosque and an evening in Karaköy; day 3 takes in Galata and İstiklal Avenue, followed by a Bosphorus cruise or a trip to the Asian side. Book Hagia Sophia and Topkapi online, get an Istanbulkart as soon as you land, and pack sturdy shoes: the city is cobbled, hilly, and best explored on foot.
Just 3 hours 30 minutes by direct flight from Paris, Istanbul offers a change of scenery no European capital can match: a metropolis of 16 million people straddling two continents, heir to both the Byzantine and Ottoman empires. The paradox of 2026 is that the big monuments now charge foreign visitors top euro rates, while everyday life (meals, transport, çay served round the clock) remains very kind to a French wallet. Here is a tried and tested 3-day itinerary, neighbourhood by neighbourhood, from the domes of Sultanahmet to the ferries of the Bosphorus.
Day 1: Sultanahmet, the Byzantine and Ottoman Heart of the City
Morning: Hagia Sophia and the Blue Mosque
Start at opening time with Hagia Sophia, a basilica built in the sixth century under Justinian and turned back into a mosque in 2020. Foreign visitors now reach the upper gallery through a dedicated entrance (around 25 euros, booking online strongly advised): this is the best vantage point to admire the dome and the Byzantine mosaics. Arrive before 9am; by late morning the queue can easily exceed 45 minutes in season.
Right opposite, across the esplanade, the Blue Mosque (the Sultanahmet Mosque) can be visited free of charge outside the five daily prayers. Its long restoration, completed in 2023, has restored the full shine of the roughly 20,000 İznik tiles that give the mosque its nickname. Shoulders and knees must be covered, and headscarves for women: shawls are lent at the entrance. Between the two monuments stretches the old Hippodrome of Constantinople, where the Obelisk of Theodosius (brought from Egypt) and the Serpent Column from Delphi still stand.
Afternoon: the Basilica Cistern and the lanes of Sultanahmet
Two minutes’ walk away, the Basilica Cistern is the most spectacular of Constantinople’s underground water reservoirs: 336 columns, two upside-down Medusa heads and, since the 2022 restoration, walkways and lighting that make wandering through it feel almost otherworldly. Budget around 25 euros; book a time slot online in summer, and note that an evening visit is also available if you would rather keep the afternoon free for strolling.
Wind the day down gently: the shaded paths of Gülhane Park, just below Topkapi, then dinner at one of the lokantas on Hocapaşa Street, on the Sirkeci side, where slow-cooked dishes are chosen at the counter for 8 to 12 euros. Save room for a piping hot künefe, that stringy cheese dessert drenched in syrup.
Day 2: Topkapi Palace, the Grand Bazaar and Süleymaniye Hill
Morning: Topkapi Palace
Home to the sultans for four centuries, Topkapi Palace unfolds across four successive courtyards above Seraglio Point. Note that it is closed on Tuesdays. The full ticket including the Harem is close to 50 euros, but do not skip it: it is the most intimate and lavishly decorated part of the palace. Also see the Treasury and the terrace of the fourth courtyard, which overlooks the Bosphorus. Allow a good three hours and arrive at opening time, 9am: the tour groups pour in from 10.30am.
Afternoon: the Grand Bazaar, Süleymaniye Mosque and an evening in Karaköy
The Grand Bazaar (closed on Sundays) lines up around 4,000 shops beneath its painted vaults. Get deliberately lost in it, but keep a cool head: haggling is part of the game, and a carpet or a piece of jewellery is rarely bought at the first price quoted. To catch your breath, the hans (former caravanserais) tucked away in the side streets offer quiet courtyards and craft workshops that feel more authentic than the main aisles.
Leaving on the west side, climb ten minutes up to the Süleymaniye Mosque, a masterpiece by the architect Sinan completed in 1557. Entry is free and the esplanade offers the finest free view over the Golden Horn. Head back down towards Eminönü and cross Galata Bridge among the line fishermen: the evening happens in Karaköy, in its cafés and meyhane, the taverns where mezze are shared over a glass of rakı (budget 25 to 35 euros per person).
Day 3: Galata and İstiklal, then the Bosphorus or the Asian Side
Morning: Galata and İstiklal Avenue
Climb the steep lanes of Galata up to its fourteenth-century Genoese tower. The climb costs around 30 euros: the 360-degree view is superb, but if your budget is already stretched, several rooftop cafés in the neighbourhood offer a comparable panorama for the price of a cappuccino. Continue along İstiklal Avenue, a 1.4km pedestrian street crossed by its historic red tram: galleries, pastry shops, the Flower Passage (Çiçek Pasajı) and hidden churches punctuate the climb towards Taksim. For lunch, turn off towards Cihangir, the bohemian district with dozens of cafés.
Option A: a Bosphorus cruise and Ortaköy
In the afternoon, board a boat for the strait. There is no need to give in to the touts at Eminönü: public operators and scheduled ferries run a short loop of around 90 minutes for 10 to 15 euros, which is enough to see palaces, fortresses and yalıs (the wooden waterfront mansions) go by. You will pass Dolmabahçe Palace, the nineteenth-century Ottoman answer to Versailles (worth a separate visit another day, closed on Mondays). Get off or finish up at Ortaköy: its small neo-baroque mosque perched on the water, at the foot of the suspension bridge, is one of the most photographed sights in the country. On the square, try kumpir, a giant baked potato loaded with toppings of your choice.
Option B: Kadıköy and Üsküdar, Istanbul as Locals Live It
If you prefer everyday life to monuments, take a vapur from Eminönü: a 20-minute crossing for around 1 euro, a mini-cruise in its own right, seagulls included. In Kadıköy, the market overflows with fish, olives and spices; the streets of Moda are lined with coffee roasters and bookshops all the way to the seafront promenade on the Sea of Marmara. Later in the day, head up to Üsküdar for sunset facing Maiden’s Tower: the finest viewpoint in the city, and it costs nothing.
Practical Tips for a Successful City Break in Istanbul
April to June (tulips bloom everywhere in April) and September to October. Summer is hot and busy, winter often rainy but crowd-free.
3 days for the main monuments, the bazaars and a Bosphorus outing. Allow 4 to 5 days to add the Princes’ Islands or explore the Asian side in more depth.
The Istanbulkart (a few euros, rechargeable) unlocks trams, metros, funiculars and ferries for under a euro a ride. Avoid taxis without a meter; the BiTaksi app makes for a safer fare.
70 to 100 euros a day per person for a comfortable trip. The monuments are pricey (foreign visitors pay in euros), but a lokanta meal comes to 8 to 12 euros.
Sultanahmet for monuments within walking distance, Galata and Karaköy for cafés and nightlife, Cihangir for a bohemian vibe, Kadıköy to live like a local at gentler prices.
Hagia Sophia and Topkapi Palace (skip-the-line tickets online), a slot at a historic hammam such as Kılıç Ali Paşa, and a meyhane table at the weekend.
To plan your schedule hour by hour and decide between a cruise and the Asian side depending on the weather, our guide to planning the perfect city break with AI will save you precious time. And since prices in Istanbul can spring surprises in either direction, our tips on estimating and tracking your travel budget help set spending expectations before you leave. Fancy comparing with other getaways between the Orient and the Mediterranean? Take a look at our itineraries for Athens in 3 days and Naples in 3 days.
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Frequently asked questions
Is 3 days enough to visit Istanbul?
Yes, three days let you cover Sultanahmet (Hagia Sophia, the Blue Mosque, Topkapi Palace, the Basilica Cistern), the bazaars, Galata and an outing on the Bosphorus or the Asian side. It is a demanding but realistic pace. To add the Princes’ Islands, a full visit of Dolmabahçe, or the neighbourhoods of Balat and Fener, allow four to five days instead.
What budget should you plan for 3 days in Istanbul?
Excluding flights, budget 210 to 300 euros per person for three days on a comfortable trip: a shared 3-star hotel, local restaurants, transport and sightseeing. The biggest expense is the monuments (around 100 euros for Hagia Sophia, Topkapi with the Harem and the Basilica Cistern); food and transport, by contrast, remain very affordable.
Should you book visits in advance?
For Hagia Sophia and Topkapi Palace, booking online is strongly advised year-round: it avoids 30 to 60 minutes of queuing in season. The Basilica Cistern works on timed slots in summer. The Blue Mosque and the Süleymaniye Mosque, both free, cannot be booked; just avoid prayer times.
How do you get to the city centre from Istanbul’s airports?
From the main airport (IST, on the European side, 40km out), the easiest option is the Havaist shuttle to Sultanahmet or Taksim (around 1 hour, under 10 euros) or the M11 metro line with one change. From Sabiha Gökçen (SAW, on the Asian side), the M4 metro line runs to Kadıköy. By taxi, expect to pay 35 to 50 euros depending on traffic, which is often heavy.
Which neighbourhood should you choose to stay in Istanbul?
Sultanahmet puts the major monuments within walking distance, handy for a first stay but quiet in the evenings. Galata and Karaköy combine monuments reachable by tram with cafés and nightlife: the best compromise for many travellers. Cihangir appeals to fans of a bohemian atmosphere, and Kadıköy, on the Asian side, offers the best prices in a very local setting.
Conclusion
Monumental Sultanahmet, labyrinthine bazaars, creative Galata and the ever-present Bosphorus: over three well-planned days, Istanbul reveals its essential faces. The key here, more than anywhere else, is to book the major sites in advance and accept that the city will always spill beyond the plan: a çay handed over by a shopkeeper, a vapur boarded on a whim, a call to prayer that briefly stops the street. If you are still unsure what to fill your days with, our full round-up of things to see and do on the ground, what to do in Istanbul, will help you build your own version of this itinerary. And for another long weekend idea, our itinerary for visiting Lisbon in 3 days also plays the card of hills and ferries.
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