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Cheap flights from Porto to Istanbul

Recently found return fares from $109, with January the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

Typical return fare: $119 – $145 Middle half of the lowest fares we saw each day in the last 90 days (11 days of data). Anything below the range is a good price.

Good price
$133 Oct2026 $110 Nov2026 $117 Dec2026 $109 Jan2027 $120 Feb2027 $145 Mar2027 $145 Apr2027 $141 May2027 $141 Jun2027 $148 Jul2027 $179 Sep2027

Porto → Istanbul

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 $218 2 $172 3 $170 4 $147 5 $158 6 $138 7 $132 8 9 $146 10 $149 11 12 $110 13 $123 14 $129 15 $179 16 $125 17 $128 18 19 $156 20 $142 21 22 $145 23 24 $118 25 26 $129 27 $171 28 $131 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • RyanairWed 18 Nov – Wed 25 Nov · 1 stop · 5h 10m $236
  • MWWed 4 Nov – Tue 10 Nov · 2 stops · 6h 20m $242
  • ECTue 17 Nov – Tue 24 Nov · 2 stops · 6h 10m $247
  • MWSun 8 Nov – Mon 16 Nov · 2 stops · 6h $256
  • RyanairTue 10 Nov – Wed 18 Nov · 1 stop · 5h 55m $258
See all flights for these dates

Airports in Istanbul

  • ISTIstanbul
  • SAWSabiha Gökçen

Airport in Porto

  • OPOFrancisco Sá Carneiro

Watch this route

OPO
IST

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More trips from Porto

All flights from Porto Istanbul to Porto flights
Barcelonafrom $52 Madridfrom $54 FNCfrom $65 Milanfrom $73 Frankfurtfrom $74 Bilbaofrom $82 Londonfrom $85 LUXfrom $90

FAQ

Questions about this route

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Help center Contact us
01What is the cheapest month to fly from Porto to Istanbul?

Based on recently found fares, January 2027 has the lowest price we know of, from $109. Prices change often, so check the calendar for current fares.

02Which airports serve Istanbul?

Istanbul is served by Istanbul (IST), Sabiha Gökçen (SAW). Searching the city code compares all of them at once.

03Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

04How can I get an alert when flights to Istanbul get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.