$352+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Istanbul with Cheapflights
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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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Last-minute
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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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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 8/161:38 pm
PDX
- IST
2 stops27h 52m
Delta
Tue 8/255:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/20![Delta logo]()
$860
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:55 am
PDX
- IST
2 stops20h 00m
Delta
Thu 11/55:55 pm
IST
- PDX
2 stops33h 32m
Delta
Deal found 4/21![Delta logo]()
$869
This Delta deal was found by Cheapflights users on 4/20. 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 8/161:38 pm
PDX
- IST
2 stops27h 52m
Delta
Fri 8/286:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 4/20![Delta logo]()
$870
This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 8/176:00 am
PDX
- IST
2 stops35h 30m
Delta
Tue 8/255:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/20![Delta logo]()
$873
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 8/251:38 pm
PDX
- IST
2 stops28h 02m
Scandinavian Airlines
Tue 9/294:30 am
IST
- PDX
2 stops24h 11m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 4/20. 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 8/161:38 pm
PDX
- IST
2 stops27h 52m
Delta
Mon 8/315:20 pm
IST
- PDX
2 stops35h 21m
Delta
Deal found 4/20![Delta logo]()
$880
This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 8/176:00 am
PDX
- IST
2 stops35h 30m
Delta
Wed 8/265:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/20![Delta logo]()
$883
This Delta deal was found by Cheapflights users on 4/20. 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 7/193:30 pm
PDX
- IST
2 stops26h 00m
Delta
Sun 7/265:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/20![Delta logo]()
$885
This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 8/176:00 am
PDX
- IST
2 stops35h 30m
Delta
Fri 8/286:00 am
IST
- PDX
2 stops19h 06m
Delta
Deal found 4/20![Delta logo]()
$893
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Sun 9/61:38 pm
PDX
- IST
2 stops28h 02m
Scandinavian Airlines
Wed 9/164:30 am
IST
- PDX
2 stops27h 52m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$908
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 8/23:30 pm
PDX
- IST
2 stops26h 00m
Delta
Wed 3/177:15 am
IST
- PDX
2 stops24h 12m
Delta
Deal found 4/22![Delta logo]()
$910
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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:05 pm
PDX
- IST
1 stop17h 15m
Delta
Fri 8/286:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 4/21![Delta logo]()
$940
This KLM deal was found by Cheapflights users on 4/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 5/276:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 4/20![KLM logo]()
$1,056
This Delta deal was found by Cheapflights users on 4/19. 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 8/231:05 pm
PDX
- IST
1 stop26h 15m
Delta
Sat 8/295:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/19![Delta logo]()
$1,000
This KLM deal was found by Cheapflights users on 4/23. 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.
Wed 5/131:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 5/205:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 4/23![KLM logo]()
$1,056
This Delta deal was found by Cheapflights users on 4/23. 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 8/1811:10 am
PDX
- IST
2 stops30h 20m
Delta
Tue 9/85:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/23![Delta logo]()
$1,005
This Delta deal was found by Cheapflights users on 4/24. 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 9/61:25 pm
PDX
- IST
2 stops28h 05m
Delta
Wed 9/165:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/24![Delta logo]()
$1,005
This Delta deal was found by Cheapflights users on 4/20. 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 7/191:05 pm
PDX
- IST
1 stop26h 15m
Delta
Sun 7/265:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/20![Delta logo]()
$1,015
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:05 pm
PDX
- IST
1 stop17h 15m
Delta
Fri 8/285:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 4/21![Delta logo]()
$1,050
This Delta deal was found by Cheapflights users on 4/22. 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 8/171:05 pm
PDX
- IST
1 stop26h 15m
Delta
Thu 10/16:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 4/22![Delta logo]()
$1,075
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated April 24, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 4/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 am
PDX
- IST
2 stops23h 20m
KLM
Sat 5/236:00 am
IST
- PDX
2 stops18h 48m
KLM
Deal found 4/21![KLM logo]()
$1,117
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Fri 5/89:30 pm
PDX
- IST
2 stops47h 50m
Qatar Airways
Fri 5/155:00 pm
IST
- PDX
2 stops38h 28m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,039
This Air France deal was found by Cheapflights users on 4/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 am
PDX
- IST
2 stops23h 20m
Multiple Airlines
Mon 6/14:25 am
IST
- PDX
2 stops22h 50m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,069
This Air France deal was found by Cheapflights users on 4/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:00 am
PDX
- IST
2 stops23h 20m
Multiple Airlines
Wed 5/204:25 am
IST
- PDX
2 stops21h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,102
This KLM deal was found by Cheapflights users on 4/23. 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 5/161:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sat 5/306:00 am
IST
- PDX
2 stops18h 48m
KLM
Deal found 4/23![KLM logo]()
$1,066
This Air France deal was found by Cheapflights users on 4/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:30 pm
PDX
- IST
2 stops23h 50m
KLM
Tue 5/265:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 4/21![KLM logo]()
$1,061
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:52 am
PDX
- IST
2 stops30h 48m
Scandinavian Airlines
Tue 5/264:30 am
IST
- PDX
2 stops24h 56m
Scandinavian Airlines
Deal found 4/21![Scandinavian Airlines logo]()
$1,125
This KLM deal was found by Cheapflights users on 4/23. 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 5/301:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 6/106:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 4/23![KLM logo]()
$1,056
This KLM deal was found by Cheapflights users on 4/19. 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.
Sun 5/311:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/75:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 4/19![KLM logo]()
$1,083
This KLM deal was found by Cheapflights users on 4/19. 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.
Sun 5/311:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sat 6/66:00 am
IST
- PDX
2 stops21h 09m
KLM
Deal found 4/19![KLM logo]()
$1,093
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 April 24, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Thu 8/133:30 pm
PDX
- IST
3 stops41h 55m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Sat 9/53:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 8/183:30 pm
PDX
- IST
3 stops26h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Thu 9/173:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Fri 9/117:05 pm
PDX
- IST
2 stops34h 45m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 9/163:30 pm
PDX
- IST
3 stops43h 05m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Wed 8/127:05 pm
PDX
- IST
2 stops46h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Mon 8/179:19 am
PDX
- IST
2 stops41h 51m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$451
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $860 (Delta) |
One-way from | $352 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $736 |
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 April 24, 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
Quickest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/16
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Fri 8/28
6:00 am-11:10 am
1 stop15h 10m
$940
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/23
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Sat 8/29
5:20 pm-11:10 am
1 stop27h 50m
$1,000
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 8/18
11:10 am-3:30 am
2 stops30h 20m
Istanbul
Tue 9/8
5:20 pm-11:10 am
1 stop27h 50m
$1,005
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 9/6
1:25 pm-3:30 am
2 stops28h 05m
Istanbul
Wed 9/16
5:20 pm-11:10 am
1 stop27h 50m
$1,005
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 7/19
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Sun 7/26
5:20 pm-11:10 am
1 stop27h 50m
$1,015
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sat 8/22
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Fri 8/28
5:20 pm-11:10 am
1 stop27h 50m
$1,050
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sat 5/16
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Wed 5/27
6:00 am-11:10 am
1 stop15h 10m
$1,056
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 5/13
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Wed 5/20
5:20 pm-11:10 am
1 stop27h 50m
$1,056
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 8/17
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Thu 10/1
6:00 am-11:10 am
1 stop15h 10m
$1,075
Cheapest one-way
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 8/13
3:30 pm-3:40 am
2 stops50h 10m
$409
Showing 1-10 of 20 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- 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 $1,326). 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 April 24, 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.
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Traveling to a place near Istanbul Airport?
Book flights to Istanbul Airport if you plan to visit one of these locationsYalova
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Portland to Istanbul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Istanbul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Istanbul by cabin class
Find flights from Portland to Istanbul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Istanbul
Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
Portland and Istanbul flights
Browse other Portland and Istanbul flight options. Last updated on April 24, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$458 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$541 | Average$683 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$554 | Average$749 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$560 | Average$820 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$620 | Average$850 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$628 | Average$1,083 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$652 | Average$977 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$943 | Average$1,004 | FlexibilityNo cancel fee | On-time68% |