To Istanbul

Cheap Flights from Porto to Istanbul

Browse current best options from Porto. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Porto

RatePunk searches hundreds of travel sites at once for deals on flights to Istanbul

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Porto to Istanbul

Explore current cheapest deals departing from Porto to Istanbul

Round trip

Sort by: Cheapest

December 11 - December 15

Cheapest

OPO - Istanbul

$385

$193

Round trip

December 11 - December 14

OPO - Istanbul

$385

$195

Round trip

December 11 - December 16

Best

OPO - Istanbul

$383

$205

Round trip

November 6 - November 9

OPO - Istanbul

$478

$208

Round trip

November 23 - November 28

OPO - Istanbul

$477

$210

Round trip

December 7 - December 15

Best

OPO - Istanbul

$383

$211

Round trip

November 24 - November 28

OPO - Istanbul

$480

$213

Round trip

November 5 - November 9

OPO - Istanbul

$478

$216

Round trip

December 1 - December 12

OPO - Istanbul

$366

$216

Round trip

November 3 - November 10

Earliest

OPO - Istanbul

$466

$218

Round trip

Unlock all 500+ flight deals to Istanbul and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Porto to Istanbul

For travelers seeking cheap flights from Porto to Istanbul, fares typically range from $193–$290, with a median of $247. Right now, current fares are above the typical level for this route. Approximately 20% of recent fares from Porto to Istanbul were classified as a good price, indicating that competitive offers appear regularly. New deals appear almost daily, suggesting frequent opportunities to find favorable pricing.

When is the cheapest time to fly from Porto to Istanbul? The data indicates that the most affordable months to fly are January, with a median fare of $183, and February, where the median fare is $195. September also presents a more economical option, with a median fare of $220, making these months particularly attractive for budget-conscious travelers.

Most itineraries for flights from Porto to Istanbul connect at least once, with only 18.4% of recent fares being direct flights from Porto to Istanbul. For the majority of journeys that include connections, the typical number of stopovers is 1. This suggests that travelers should anticipate at least one stop when planning their trip.

A typical journey from Porto to Istanbul, including connections, takes approximately 9h 20m. This duration accounts for the median flight time across all observed itineraries, reflecting the common travel experience for this route, which often involves a single stopover.

How much is a round trip from Porto to Istanbul

Regular price: $319 - $672

Prices for flights from Porto to Istanbul are currently below the regular range.

Regular prices for this route typically range from $319 to $672. The current lowest deal is $193 with Vueling Airlines, for travel from Dec 11-Dec 15.

now $193

Low $319

High $672

The cheapest time to fly from Porto to Istanbul

The cheapest month to fly from OPO to IST is January, with a median price of 183 USD. The most expensive month is August, with a median price of 335 USD. Prices are generally lower from January to December.

January

Cheapest

Flights from $183

August

Most Expensive

Flights from $335

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Porto to Istanbul

Turkish Airlines

Last-minute flights going from Porto to Istanbul

Sat, Jun 20

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Air Europa

$474

$286

One-way

Sat, Jun 20

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Air Europa

$477

$302

One-way

Mon, Jun 22

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Air Europa

$480

$286

One-way

Tue, Aug 18

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Air Europa

$608

$323

One-way

Fri, Sep 11

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Scandinavian Airlines

$467

$247

One-way

Tue, Sep 22

⌛ Last-Minute

OPO - Istanbul

Porto (OPO) - Istanbul (IST)

Vueling Airlines

$459

$226

One-way

Biggest price drops on these dates for flights from Porto to Istanbul

6 nights

Nov 15 - Nov 21

$509 → $219

57%

7 nights

Aug 18 - Aug 25

$608 → $323

47%

3 nights

Nov 6 - Nov 9

$478 → $208

56%

5 nights

Nov 23 - Nov 28

$477 → $210

56%

Popular Airports to fly from Porto to Istanbul

Porto - Istanbul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Porto to Istanbul are above the typical level, with 20% good prices.

📅 Best time to fly

January is historically cheapest at $183

Historically, January is the cheapest month to fly from Porto to Istanbul, with a median price of $183.

⏱️ Flight duration

Median flight time is 9h 20m

The median flight time from Porto to Istanbul is 9 hours 20 minutes, covering 3104 km.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with 18.4% direct flights and 1 stopover typical.

🏆 Airline highlight

Turkish Airlines offers direct flights

Turkish Airlines offers direct flights from Porto to Istanbul, providing a convenient option.

🎯 Booking tip

Deals appear frequently

Deals for flights from Porto to Istanbul appear frequently, with over 1 deal per day.

Porto main airports to depart from

Porto (OPO)

Cheapest

Porto Airport offers direct flights to Istanbul, making it a convenient and affordable departure option.

📍 ~11 km from city center (reachable by car or metro)

💸 Flights from ~$193

Istanbul main airports to arrive at

Istanbul Airport (IST)

Cheapest

Istanbul Airport (IST) is a primary arrival option for flights from Porto, offering convenient access to Istanbul.

📍 ~35 km from city center (reachable by car)

💸 Flights from ~$193

Sabiha Gökçen International (SAW)

Sabiha Gökçen International (SAW) is an alternative arrival airport for flights from Porto to Istanbul.

📍 ~40 km from city center (reachable by car)

💸 Flights from ~$234

Airports nearby Istanbul used as alternative

Esenboğa International (ESB)

Consider Ankara Esenboğa International as a major international hub offering network redundancy, though it is a significant distance from Istanbul.

📍 ~350 km from Istanbul (requires domestic flight or high-speed train)

💸 Flights from ~$258

Adnan Menderes (ADB)

Adnan Menderes is Turkey's third largest airport, providing extensive European connections and high reliability.

📍 ~300 km from Istanbul (usually requires a separate domestic flight)

💸 Flights from ~$287

Tekirdağ Çorlu (TEQ)

Tekirdağ Çorlu is geographically the closest alternative, accessible by road from Istanbul's European side.

📍 ~90 km from Istanbul (reachable by car)

💸 Flights from ~$342

Yenişehir (YEI)

Yenişehir offers proximity to the southern Marmara region and Istanbul's Asian side, accessible via bridge or ferry.

📍 ~130 km from Istanbul (reachable by car or ferry)

💸 Flights from ~$762

Burgas (BOJ)

Cheapest

Burgas is the closest international airport outside Turkey, useful for travelers with appropriate Bulgarian travel documents.

📍 ~200 km from Istanbul (requires international border crossing)

💸 Flights from ~$212

Business & First Class Flight Deals to Istanbul

Istanbul, Turkey

49% AI deal score

$2,348

From OPO

Elite

Dec 04

Istanbul, Turkey

41% AI deal score

$4,792

Frequently Asked Questions About Flights to Istanbul

Historically, the optimal window for booking flights from Porto to Istanbul is typically 14-27 days before departure. During this period, the average price for a flight is around $241. Booking within 0-6 days of departure sees prices rise to an average of $281. Prices for bookings made 60+ days out average $243, indicating that planning a few weeks in advance tends to offer better value.

Across the trailing quarter, a good price for a flight from Porto to Istanbul is considered to be $193 or less. The median price for this route has been $247. Approximately 25% of all flights from Porto to Istanbul were priced at or below $193. The majority of prices, 75% of them, were found to be $290 or less.

Historically, January is the most affordable month to fly from Porto to Istanbul, with a median price of $183. February also offers competitive prices, with a median of $195. The annual median price for this route is $247. While September shows a median of $220, it was also identified as the most expensive month in the trailing 270 days.

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