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Cheap flights from Porto to Istanbul

One-way from €85, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sat, Jan 23Any priceSun, Jan 24Any priceMon, Jan 25€97Tue, Jan 26€85Wed, Jan 27Any priceThu, Jan 28Any priceFri, Jan 29Any priceSat, Jan 30€114

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
€85
Wizz Air Malta, flight W4 3290Found 2 days ago, 1 adult
Check live price
19:20PortoTue, Jan 26
Travel time 5h 30m, 1 stopOPOSAW
03:50IstanbulWed, Jan 27
€87
easyJet, flight U2 6815Found 5 days ago, 1 adult
Check live price
06:00PortoWed, Feb 17
Travel time 5h 40m, 1 stopOPOSAW
14:40IstanbulWed, Feb 17
€94
easyJet, flight U2 6817Found yesterday, 1 adult
Check live price
06:05PortoThu, Mar 18
Travel time 5h 40m, 1 stopOPOSAW
14:45IstanbulThu, Mar 18
€97
easyJet, flight U2 5378Found 3 days ago, 1 adult
Check live price
10:35PortoMon, Jan 25
Travel time 6h, 1 stopOPOSAW
19:35IstanbulMon, Jan 25
€99
Ryanair, flight FR 4041Found yesterday, 1 adult
Check live price
20:35PortoWed, Nov 11
Travel time 5h 25m, 1 stopOPOSAW
05:00IstanbulThu, Nov 12

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in TurkeyTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Istanbul, booked ahead at a fixed price.
    See options
  • Things to do in IstanbulPopular tours from $32 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Turkey from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €400 per person under EU261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234567891011121314151617181920212223242526€18327€13728€17629€17830€18531€170

November 2026

MoTuWeThFrSaSu1€1412€1703€1364€1135€1446€1537€1528€1629€13310€14211€9912€11413€12514€13215–16€15517€11918€13119€13720–21€12422€12123€10824€11025–26€11527€10228€13129–30–

December 2026

MoTuWeThFrSaSu1€1232–3€1324€1545€1356–7–8–9€12310€10111–12–13–14€10215€11116€12617€13118€13419€11920€11421€14922€14123€13824€15825262728293031
€113 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 11, €99.

Lowest fares by month

In the fares found this week, January 2027 has the lowest: from €85 one-way, against €144 in September 2027. Pick a month to see its cheapest date.

  1. Oct€137
  2. Nov€99
  3. Dec€101
  4. Jan€85
  5. Feb€87
  6. Mar€94
  7. Aprno fares yet
  8. May€118
  9. Jun€117
  10. Jul€132
  11. Aug€138
  12. Sep€144
€0€50€100€150OctNovDec€85JanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October€137Tue, Oct 271 stop
November€99Wed, Nov 111 stop
December€101Thu, Dec 101 stop
January 2027€85Tue, Jan 261 stop
February 2027€87Wed, Feb 171 stop
March 2027€94Thu, Mar 181 stop
April 2027—
May 2027€118Thu, May 131 stop
June 2027€117Sat, Jun 191 stop
July 2027€132Fri, Jul 23 stops
August 2027€138Mon, Aug 92 stops
September 2027€144Mon, Sep 272 stops

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Istanbul. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare€137€99€101€85€87€94–€118€117€132€138€144
High °C20°15°11°9°9°12°16°21°26°28°28°25°
Low °C14°9°6°4°4°5°8°13°17°20°21°17°
Precipitation mm98101125968870453745364481

Source: Istanbul on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Porto to Istanbul?

In the fares found this week, January 2027 has the lowest: from €85 one-way, against €144 in September 2027.

What is the weather in Istanbul in January 2027?

In January 2027, the cheapest month to fly, the average daily high in Istanbul is 9 °C and the low 4 °C.

Are there direct flights from Porto to Istanbul?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of €121. Sunday is the priciest at about €141.

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