$324+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Istanbul with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 July 6, 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 July 6, 2026.
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 pm
PDX
- IST
2 stops18h 10m
Multiple Airlines
Wed 8/267:25 am
IST
- PDX
2 stops38h 20m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$761
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:05 pm
PDX
- IST
3 stops35h 35m
Multiple Airlines
Wed 9/93:45 pm
IST
- PDX
3 stops30h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$813
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:19 am
PDX
- IST
2 stops40h 36m
Qatar Airways
Thu 10/18:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 7/2![Qatar Airways logo]()
$826
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:51 am
PDX
- IST
2 stops39h 04m
Qatar Airways
Wed 10/218:05 pm
IST
- PDX
2 stops30h 55m
Qatar Airways
Deal found 7/2![Qatar Airways logo]()
$828
This Justfly.com deal was found by Cheapflights users on 7/1. 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.
Thu 10/1512:18 pm
PDX
- IST
2 stops37h 57m
Qatar Airways
Thu 11/128:10 pm
IST
- PDX
2 stops38h 44m
Qatar Airways
Deal found 7/1![Qatar Airways logo]()
$842
This FlightHub deal was found by Cheapflights users on 7/1. 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 9/2211:48 am
PDX
- IST
2 stops38h 27m
Qatar Airways
Tue 10/208:05 pm
IST
- PDX
2 stops36h 57m
Qatar Airways
Deal found 7/1![Qatar Airways logo]()
$860
This FlightHub deal was found by Cheapflights users on 7/2. 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 9/68:07 am
PDX
- IST
2 stops36h 13m
Qatar Airways
Wed 9/168:05 pm
IST
- PDX
2 stops33h 45m
Qatar Airways
Deal found 7/2![Qatar Airways logo]()
$868
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 July 6, 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 July 6, 2026.
This KLM deal was found by Cheapflights users on 7/5. 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 11/301:20 pm
PDX
- IST
1 stop16h 35m
KLM
Sat 12/55:55 pm
IST
- PDX
1 stop28h 25m
KLM
Deal found 7/5![KLM logo]()
$943
This KLM deal was found by Cheapflights users on 7/5. 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 12/110:15 am
PDX
- IST
2 stops20h 20m
Multiple Airlines
Sat 12/57:15 am
IST
- PDX
2 stops20h 19m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$957
This British Airways deal was found by Cheapflights users on 7/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Thu 10/18:15 am
IST
- PDX
2 stops25h 08m
British Airways
Deal found 7/4![British Airways logo]()
$1,034
This Qatar Airways deal was found by Cheapflights users on 7/1. 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.
Wed 8/2611:48 am
PDX
- IST
2 stops38h 07m
Qatar Airways
Mon 8/311:45 pm
IST
- PDX
2 stops41h 06m
Qatar Airways
Deal found 7/1![Qatar Airways logo]()
$1,169
This KLM deal was found by Cheapflights users on 7/5. 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.
Thu 10/11:05 pm
PDX
- IST
1 stop26h 15m
KLM
Tue 11/175:55 pm
IST
- PDX
1 stop28h 25m
KLM
Deal found 7/5![KLM logo]()
$998
This KLM deal was found by Cheapflights users on 7/4. 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.
Thu 10/11:05 pm
PDX
- IST
1 stop26h 15m
Multiple Airlines
Mon 11/167:15 am
IST
- PDX
2 stops23h 43m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,007
This British Airways deal was found by Cheapflights users on 7/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm
PDX
- IST
1 stop19h 10m
British Airways
Tue 11/177:35 am
IST
- PDX
2 stops23h 06m
British Airways
Deal found 7/2![British Airways logo]()
$1,061
This British Airways deal was found by Cheapflights users on 7/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:30 pm
PDX
- IST
1 stop19h 10m
British Airways
Sat 10/312:55 pm
IST
- PDX
1 stop35h 55m
British Airways
Deal found 7/2![British Airways logo]()
$1,191
This KLM deal was found by Cheapflights users on 7/1. 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 8/231:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sat 8/295:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 7/1![KLM logo]()
$1,193
This KLM deal was found by Cheapflights users on 7/1. 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 8/231:05 pm
PDX
- IST
1 stop17h 15m
KLM
Fri 8/285:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 7/1![KLM logo]()
$1,193
This KLM deal was found by Cheapflights users on 7/1. 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 8/229:29 am
PDX
- IST
2 stops20h 51m
KLM
Fri 8/285:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 7/1![KLM logo]()
$1,198
This KLM deal was found by Cheapflights users on 7/1. 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 8/221:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sat 8/295:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 7/1![KLM logo]()
$1,238
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated July 6, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:00 am
PDX
- IST
2 stops44h 55m
Qatar Airways
Tue 9/88:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 7/6![Qatar Airways logo]()
$921
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:19 am
PDX
- IST
2 stops40h 36m
Qatar Airways
Thu 10/18:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 7/2![Qatar Airways logo]()
$826
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 pm
PDX
- IST
2 stops18h 10m
Multiple Airlines
Wed 8/267:25 am
IST
- PDX
2 stops38h 20m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$761
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:05 pm
PDX
- IST
3 stops35h 35m
Multiple Airlines
Wed 9/93:45 pm
IST
- PDX
3 stops30h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$813
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:48 am
PDX
- IST
2 stops38h 07m
Qatar Airways
Wed 9/98:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 7/3![Qatar Airways logo]()
$872
This oojo deal was found by Cheapflights users on 7/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:09 am
PDX
- IST
2 stops43h 06m
Qatar Airways
Tue 9/88:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 7/5![Qatar Airways logo]()
$906
This oojo deal was found by Cheapflights users on 7/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:48 am
PDX
- IST
2 stops38h 27m
Qatar Airways
Sat 9/51:45 pm
IST
- PDX
2 stops37h 04m
Qatar Airways
Deal found 7/5![Qatar Airways logo]()
$942
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 July 6, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/167:05 pm
PDX
- IST
3 stops56h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/173:30 pm
PDX
- IST
3 stops46h 10m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/253:30 pm
PDX
- IST
3 stops35h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/287:05 pm
PDX
- IST
3 stops36h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/267:05 pm
PDX
- IST
3 stops33h 50m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/193:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/273:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/293:30 pm
PDX
- IST
3 stops31h 15m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/223:30 pm
PDX
- IST
3 stops26h 10m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/213:30 pm
PDX
- IST
3 stops30h 25m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 10/181:05 pm
PDX
- IST
3 stops24h 35m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$455
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $761 (Trip.com) |
One-way from | $324 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,117 |
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 July 6, 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
Mon 11/30
1:20 pm-4:55 pm
1 stop16h 35m
Istanbul
Sat 12/5
5:55 pm-11:20 am
1 stop28h 25m
$943
Quickest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 12/1
10:15 am-5:35 pm
2 stops20h 20m
Istanbul
Sat 12/5
7:15 am-4:34 pm
2 stops20h 19m
$957
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 10/1
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Tue 11/17
5:55 pm-11:20 am
1 stop28h 25m
$998
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 10/1
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Mon 11/16
7:15 am-7:58 pm
2 stops23h 43m
$1,007
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 8/17
7:30 pm-12:25 am
1 stop18h 55m
Istanbul
Thu 10/1
8:15 am-11:23 pm
2 stops25h 08m
$1,034
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 10/1
7:30 pm-12:40 am
1 stop19h 10m
Istanbul
Tue 11/17
7:35 am-7:41 pm
2 stops23h 06m
$1,061
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 8/26
11:48 am-11:55 am
2 stops38h 07m
Istanbul
Mon 8/31
1:45 pm-8:51 pm
2 stops41h 06m
$1,169
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 7/30
7:30 pm-12:40 am
1 stop19h 10m
Istanbul
Sat 10/31
2:55 pm-4:50 pm
1 stop35h 55m
$1,191
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
$1,193
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/23
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Fri 8/28
5:20 pm-11:10 am
1 stop27h 50m
$1,193
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 July.
| 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 85 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 $1,318). 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 July 6, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, 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.
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Food
7.3
Boarding
7.8
Overall
7.8
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
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Top 7 airlines flying from Portland to Istanbul
Discover the top 7 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$448 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$541 | Average$689 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$732 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$616 | Average$985 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$620 | Average$876 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$628 | Average$1,085 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$652 | Average$977 | FlexibilityNo cancel fee | On-time69% |