$336+ Cheap flights from Portland (PDX) to Istanbul (IST)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
Jun 22 — Jun 291
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Istanbul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to IstanbulExplore the most affordable flight options available from Portland to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.
Explore the most affordable flight options available from Portland to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:30 pm
PDX
- IST
2 stops26h 00m
Delta
Wed 8/126:00 am
IST
- PDX
2 stops25h 13m
Delta
Deal found 5/19![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:05 am
PDX
- IST
2 stops34h 25m
Delta
Mon 8/315:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/18![Delta logo]()
$739
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:23 pm
PDX
- IST
2 stops29h 07m
Delta
Tue 7/214:25 am
IST
- PDX
2 stops26h 48m
Delta
Deal found 5/22![Delta logo]()
$743
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:23 pm
PDX
- IST
2 stops29h 07m
Delta
Mon 7/276:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/19![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:23 pm
PDX
- IST
2 stops29h 07m
Delta
Thu 8/276:00 am
IST
- PDX
2 stops27h 39m
Delta
Deal found 5/20![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:23 pm
PDX
- IST
2 stops29h 07m
Delta
Tue 9/15:20 pm
IST
- PDX
2 stops33h 13m
Delta
Deal found 5/18![Delta logo]()
$749
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:39 am
PDX
- IST
2 stops29h 51m
Delta
Wed 9/166:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/18![Delta logo]()
$769
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:20 pm
PDX
- IST
2 stops29h 10m
Delta
Thu 10/14:25 am
IST
- PDX
2 stops26h 24m
Delta
Deal found 5/18![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:30 pm
PDX
- IST
2 stops26h 00m
Delta
Tue 9/16:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/18![Delta logo]()
$799
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:50 pm
PDX
- IST
2 stops25h 40m
Delta
Sun 10/116:00 am
IST
- PDX
2 stops26h 04m
Delta
Deal found 5/22![Delta logo]()
$808
Best flights from Portland to IstanbulDiscover carefully curated flight deals from Portland to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2026.
Discover carefully curated flight deals from Portland to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2026.
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:23 pm
PDX
- IST
2 stops29h 07m
Delta
Mon 7/276:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/19![Delta logo]()
$744
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:05 pm
PDX
- IST
1 stop26h 15m
KLM
Mon 6/156:00 am
IST
- PDX
2 stops21h 09m
KLM
Deal found 5/18![KLM logo]()
$1,065
This Qatar Airways deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:01 pm
PDX
- IST
2 stops37h 19m
Qatar Airways
Thu 11/128:10 pm
IST
- PDX
2 stops30h 15m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:25 pm
PDX
- IST
2 stops21h 00m
United Airlines
Thu 9/35:40 am
IST
- PDX
2 stops27h 14m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,167
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:50 pm
PDX
- IST
2 stops25h 40m
Delta
Wed 9/164:25 am
IST
- PDX
2 stops27h 10m
Delta
Deal found 5/18![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:20 pm
PDX
- IST
2 stops29h 10m
Delta
Sun 9/66:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/19![Delta logo]()
$829
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:23 pm
PDX
- IST
2 stops29h 07m
Delta
Sat 8/154:25 am
IST
- PDX
2 stops27h 58m
Delta
Deal found 5/22![Delta logo]()
$869
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:05 pm
PDX
- IST
1 stop17h 15m
Delta
Thu 10/16:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/18![Delta logo]()
$915
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:05 pm
PDX
- IST
1 stop26h 15m
Delta
Thu 8/275:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/20![Delta logo]()
$944
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated May 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated May 23, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:05 pm
PDX
- IST
1 stop26h 15m
KLM
Mon 6/155:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/18![KLM logo]()
$1,056
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/145:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/22![KLM logo]()
$1,055
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/22![KLM logo]()
$1,160
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 6/106:00 am
IST
- PDX
2 stops21h 09m
KLM
Deal found 5/18![KLM logo]()
$1,065
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/146:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 5/22![KLM logo]()
$1,085
This KLM deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:05 pm
PDX
- IST
1 stop26h 15m
KLM
Mon 6/224:25 am
IST
- PDX
2 stops20h 21m
KLM
Deal found 5/19![KLM logo]()
$1,064
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:19 am
PDX
- IST
2 stops36h 01m
Qatar Airways
Fri 7/38:05 pm
IST
- PDX
2 stops36h 20m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,078
One-way flights from Portland to IstanbulSearch for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:05 pm
PDX
- IST
3 stops51h 40m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/121:05 pm
PDX
- IST
1 stop26h 15m
Delta
Deal found 5/20![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:10 am
PDX
- IST
2 stops30h 20m
Delta
Deal found 5/20![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:17 am
PDX
- IST
2 stops30h 13m
Delta
Deal found 5/19![Delta logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:05 pm
PDX
- IST
3 stops42h 00m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:23 pm
PDX
- IST
2 stops29h 07m
Delta
Deal found 5/20![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:38 pm
PDX
- IST
2 stops27h 52m
Delta
Deal found 5/19![Delta logo]()
$430
This KAYAK deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:30 pm
PDX
- IST
2 stops24h 35m
Lufthansa
Deal found 5/21![Lufthansa logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:05 pm
PDX
- IST
3 stops51h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$474
Find flight deals from Portland to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $714 (Delta) |
One-way from | $336 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,011 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 23, 2026.
Use the filters below to find and compare flights from Portland to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 7/12
12:23 pm-3:30 am
2 stops29h 07m
Istanbul
Mon 7/27
6:00 am-11:10 am
1 stop15h 10m
$744
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 9/6
3:50 pm-3:30 am
2 stops25h 40m
Istanbul
Wed 9/16
4:25 am-9:35 pm
2 stops27h 10m
$779
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/9
12:20 pm-3:30 am
2 stops29h 10m
Istanbul
Sun 9/6
6:00 am-11:10 am
1 stop15h 10m
$829
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 7/16
12:23 pm-3:30 am
2 stops29h 07m
Istanbul
Sat 8/15
4:25 am-10:23 pm
2 stops27h 58m
$869
Quickest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 8/17
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Thu 10/1
6:00 am-11:10 am
1 stop15h 10m
$915
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 7/21
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Thu 8/27
5:20 pm-11:10 am
1 stop27h 50m
$944
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 6/1
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Mon 6/15
6:00 am-5:09 pm
2 stops21h 09m
$1,065
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 11/10
12:01 pm-12:20 pm
2 stops37h 19m
Istanbul
Thu 11/12
8:10 pm-3:25 pm
2 stops30h 15m
$1,089
PortlandIstanbul
PDX - IST
PDXIST
Portland
Fri 8/7
2:25 pm-9:25 pm
2 stops21h 00m
Istanbul
Thu 9/3
5:40 am-10:54 pm
2 stops27h 14m
$1,167
Cheapest one-way
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 9/20
11:10 am-3:30 am
2 stops30h 20m
$349
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Portland to Istanbul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Istanbul in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Istanbul Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from Portland with our price prediction graph.
PDX-IST
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Istanbul Airport
How far ahead should I book a flight from Portland to Istanbul Airport?
The best time to book flights from Portland to Istanbul Airport is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Istanbul Airport?
Currently, January is the cheapest month in which you can book a flight from Portland to Istanbul Airport (average of $621). Flying from Portland to Istanbul Airport in June is currently the most expensive (average of $1,322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Istanbul Airport?
Reviews of airlines servicing Istanbul
Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated May 23, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited Airlines from Portland to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Portland to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 23, 2026.
Portland and Istanbul flights
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Top 8 airlines flying from Portland to Istanbul
Discover the top 8 airlines that operate flights from Portland to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$448 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$541 | Average$683 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$554 | Average$740 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$560 | Average$723 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$620 | Average$847 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$628 | Average$1,174 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$652 | Average$924 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$764 | Average$990 | FlexibilityNo cancel fee | On-time68% |