How the cheapest fare moved
Aug 31: €81 €81
Aug 24
Aug 31
low €76 · high €119
Departure-day prices · March 2030 Porto → Istanbul
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Return-day prices · March 2030 Istanbul → Porto
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Best time to visit Istanbul — climate Jan: ~11°C daytime, 9 rainy days
11°
Jan Feb: ~7°C daytime, 15 rainy days
7°
Feb Mar: ~17°C daytime, 10 rainy days
17°
Mar Apr: ~16°C daytime, 8 rainy days
16°
Apr May: ~23°C daytime, 9 rainy days
23°
May Jun: ~29°C daytime, 1 rainy days
29°
Jun Jul: ~32°C daytime, 0 rainy days
32°
Jul Aug: ~30°C daytime, 2 rainy days
30°
Aug Sep: ~25°C daytime, 4 rainy days
25°
Sep Oct: ~19°C daytime, 12 rainy days
19°
Oct Nov: ~18°C daytime, 8 rainy days
18°
Nov Dec: ~12°C daytime, 14 rainy days
12°
Dec Best value: Oct — fares from €76 and ~19°C daytime.
Flights from Porto to Istanbul start around €76 (typically 1 stop). Range seen recently: €76–103, based on 14 fares found by travellers.
Fly (from €76)
5h 15m duration
€76–103 recent fares
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Cheapest cached fares Porto → Istanbul; typically 1 stop (e.g. U2). · Based on 14 fares found by travellers in the last 48h
Cheapest round trips to Istanbul Fares found by travellers in the last 48 hours — refreshed daily.
Jan 25 – Feb 27
Air Europa · 1 stop · 4h 55m
€100
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Nov 18 – Nov 24
Wizz Air Malta · 2 stops · 6h 25m
€197
Book
Oct 6 – Oct 16
Ryanair · 1 stop · 6h 25m
€208
Book
Nov 9 – Nov 16
Wizz Air Malta · 2 stops · 6h 25m
€210
Book
Sep 21 – Sep 30
Wizz Air Malta · 2 stops · 6h 25m
€215
Book
Oct 23 – Oct 26
Wizz Air Malta · 2 stops · 6h 10m
€216
Book
Nov 20 – Nov 21
easyJet · 1 stop · 5h 35m
€219
Book
Nov 29 – Dec 2
Wizz Air Malta · 2 stops · 6h 25m
€221
Book
Weather in Istanbul
Mon
☁️
28°
21°
💧0%
Tue
🌤️
29°
21°
💧0%
Wed
🌤️
29°
21°
💧0%
Thu
☁️
28°
21°
💧3%
Fri
☁️
27°
22°
💧5%
Sat
🌤️
29°
21°
💧1%
Sun
🌫️
31°
18°
💧0%
Where to stay in Istanbul 3★+ hotels from €49/night (40 hotels sampled, ~3 weeks out).
Akgun Istanbul Hotel, WorldHotels Crafted
hotel · Istanbul
from €49/night ★ 5
Ramada By Wyndham Istanbul Pera
hotel · Istanbul
from €63/night ★ 4
Arise Hotel Golden Horn
hotel · Istanbul
from €68/night ★ 4
Good to know Currency TRY · €1 ≈ 56.17
Power plugs Type C/F
Border Passport/ID checks apply
Time difference +2h
Time in the air 4h 55m
Things to do in Istanbul Top-rated tours and tickets from €50 — book ahead for the popular ones.
Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.
About Istanbul
Istanbul (Turkish: İstanbul) is a very large city of fantastic history, culture and beauty. Called Byzantium in ancient times, the city's name was changed to Constantinople in 324 CE when it was rebuilt by the first Christian Roman Emperor, Constantine. The name "Istanbul", perhaps surprisingly, comes from Greek and could be translated as a corruption of "to the city".
Read the full Istanbul guide
Guide content from Wikivoyage contributors (CC BY-SA).
Popular from Porto Cheapest destinations travellers searched recently — refreshed daily.
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo ; exchange rates: ECB reference. Data updated 2026-08-31. Some links earn Stayonomy a commission at no cost to you.
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