$378+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
Jul 25 — Aug 11
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 June 25, 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 June 25, 2026.
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 pm
PDX
- IST
3 stops35h 35m
Multiple Airlines
Wed 8/269:55 am
IST
- PDX
2 stops35h 50m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$770
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:59 pm
PDX
- IST
2 stops30h 21m
Qatar Airways
Wed 9/168:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$834
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:07 am
PDX
- IST
2 stops45h 08m
Qatar Airways
Wed 9/308:05 pm
IST
- PDX
2 stops35h 56m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$836
This FlightHub deal was found by Cheapflights users on 6/23. 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 9/11:59 pm
PDX
- IST
2 stops36h 16m
Qatar Airways
Wed 9/98:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 6/23![Qatar Airways logo]()
$843
This FlightHub deal was found by Cheapflights users on 6/23. 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 9/61:59 pm
PDX
- IST
2 stops30h 21m
Qatar Airways
Tue 9/158:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 6/23![Qatar Airways logo]()
$858
This FlightHub deal was found by Cheapflights users on 6/23. 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.
Wed 10/2812:18 pm
PDX
- IST
2 stops38h 02m
Qatar Airways
Wed 11/48:10 pm
IST
- PDX
2 stops36h 45m
Qatar Airways
Deal found 6/23![Qatar Airways logo]()
$861
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 June 25, 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 June 25, 2026.
This Qatar Airways deal was found by Cheapflights users on 6/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:48 am
PDX
- IST
2 stops38h 07m
Qatar Airways
Thu 9/108:05 pm
IST
- PDX
2 stops36h 53m
Qatar Airways
Deal found 6/23![Qatar Airways logo]()
$916
This KLM deal was found by Cheapflights users on 6/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 10/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/21![KLM logo]()
$988
This British Airways deal was found by Cheapflights users on 6/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 pm
PDX
- IST
1 stop33h 30m
British Airways
Tue 9/17:55 pm
IST
- PDX
1 stop31h 45m
British Airways
Deal found 6/21![British Airways logo]()
$1,023
This Qatar Airways deal was found by Cheapflights users on 6/20. 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.
Sun 10/1810:51 am
PDX
- IST
2 stops39h 24m
Qatar Airways
Thu 10/298:10 pm
IST
- PDX
2 stops30h 50m
Qatar Airways
Deal found 6/20![Qatar Airways logo]()
$984
This KLM deal was found by Cheapflights users on 6/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:05 pm
PDX
- IST
1 stop26h 15m
KLM
Fri 8/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/24![KLM logo]()
$1,021
This British Airways deal was found by Cheapflights users on 6/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Fri 8/288:10 am
IST
- PDX
2 stops25h 49m
British Airways
Deal found 6/20![British Airways logo]()
$1,034
This KLM deal was found by Cheapflights users on 6/25. 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 9/81:05 pm
PDX
- IST
1 stop17h 15m
KLM
Sun 9/135:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/25![KLM logo]()
$1,053
This British Airways deal was found by Cheapflights users on 6/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:30 pm
PDX
- IST
1 stop19h 25m
British Airways
Fri 9/48:10 am
IST
- PDX
2 stops25h 49m
British Airways
Deal found 6/23![British Airways logo]()
$1,083
This KLM deal was found by Cheapflights users on 6/25. 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 9/71:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sat 9/126:00 am
IST
- PDX
2 stops21h 31m
KLM
Deal found 6/25![KLM logo]()
$1,063
This KLM deal was found by Cheapflights users on 6/22. 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.
Fri 8/281:05 pm
PDX
- IST
1 stop26h 15m
KLM
Mon 9/76:00 am
IST
- PDX
2 stops21h 34m
KLM
Deal found 6/22![KLM logo]()
$1,091
This KLM deal was found by Cheapflights users on 6/22. 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.
Sun 9/61:05 pm
PDX
- IST
1 stop26h 15m
KLM
Wed 9/166:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 6/22![KLM logo]()
$1,110
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated June 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated June 25, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 6/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:19 am
PDX
- IST
2 stops40h 36m
Qatar Airways
Fri 7/31:45 pm
IST
- PDX
2 stops42h 40m
Qatar Airways
Deal found 6/22![Qatar Airways logo]()
$1,081
This KLM deal was found by Cheapflights users on 6/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:05 pm
PDX
- IST
1 stop17h 15m
KLM
Fri 8/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/24![KLM logo]()
$1,054
This Delta deal was found by Cheapflights users on 6/23. 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 7/211:05 pm
PDX
- IST
1 stop17h 15m
Delta
Mon 7/275:20 pm
IST
- PDX
2 stops37h 53m
Delta
Deal found 6/23![Delta logo]()
$1,098
This KLM deal was found by Cheapflights users on 6/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:05 pm
PDX
- IST
1 stop26h 15m
KLM
Fri 8/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/24![KLM logo]()
$1,021
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:30 pm
PDX
- IST
2 stops24h 35m
Lufthansa
Thu 8/203:45 am
IST
- PDX
2 stops29h 00m
Lufthansa
Deal found 6/24![Lufthansa logo]()
$1,064
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:30 pm
PDX
- IST
2 stops24h 35m
Multiple Airlines
Fri 8/2110:35 am
IST
- PDX
2 stops18h 36m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,071
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:30 pm
PDX
- IST
2 stops24h 35m
Lufthansa
Wed 8/191:55 pm
IST
- PDX
2 stops44h 35m
Lufthansa
Deal found 6/24![Lufthansa logo]()
$1,084
This KLM deal was found by Cheapflights users on 6/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:05 pm
PDX
- IST
1 stop26h 15m
KLM
Fri 8/215:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 6/24![KLM logo]()
$1,083
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:35 am
PDX
- IST
2 stops26h 50m
United Airlines
Mon 8/311:55 pm
IST
- PDX
2 stops42h 50m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,035
This Air France deal was found by Cheapflights users on 6/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:14 pm
PDX
- IST
2 stops22h 06m
KLM
Mon 8/316:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 6/24![KLM logo]()
$1,108
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 June 25, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Sat 10/173:30 pm
PDX
- IST
3 stops46h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/47:05 pm
PDX
- IST
3 stops32h 05m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 8/197:05 pm
PDX
- IST
3 stops41h 40m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sun 9/67:05 pm
PDX
- IST
3 stops32h 05m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 10/123:30 pm
PDX
- IST
3 stops35h 40m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:05 pm
PDX
- IST
3 stops42h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/163:30 pm
PDX
- IST
3 stops33h 50m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:07 pm
PDX
- IST
2 stops34h 43m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 10/153:30 pm
PDX
- IST
3 stops26h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$419
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:30 pm
PDX
- IST
3 stops26h 10m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$440
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 June 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $770 (Mytrip) |
One-way from | $378 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,318 |
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 June 25, 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 8/31
11:48 am-11:55 am
2 stops38h 07m
Istanbul
Thu 9/10
8:05 pm-10:58 pm
2 stops36h 53m
$916
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 10/18
10:51 am-12:15 pm
2 stops39h 24m
Istanbul
Thu 10/29
8:10 pm-5:00 pm
2 stops30h 50m
$984
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 10/14
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Wed 10/21
5:20 pm-11:10 am
1 stop27h 50m
$988
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 7/22
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Fri 8/21
5:20 pm-11:10 am
1 stop27h 50m
$1,021
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/16
7:30 pm-3:00 pm
1 stop33h 30m
Istanbul
Tue 9/1
7:55 pm-5:40 pm
1 stop31h 45m
$1,023
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/16
7:30 pm-12:25 am
1 stop18h 55m
Istanbul
Fri 8/28
8:10 am-11:59 pm
2 stops25h 49m
$1,034
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 9/8
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Sun 9/13
5:20 pm-11:10 am
1 stop27h 50m
$1,053
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 9/7
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Sat 9/12
6:00 am-5:31 pm
2 stops21h 31m
$1,063
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sat 8/22
7:30 pm-12:55 am
1 stop19h 25m
Istanbul
Fri 9/4
8:10 am-11:59 pm
2 stops25h 49m
$1,083
PortlandIstanbul
PDX - IST
PDXIST
Portland
Fri 8/28
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Mon 9/7
6:00 am-5:34 pm
2 stops21h 34m
$1,091
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 June.
| 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 June 25, 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
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Comfort
7.7
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
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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 June 25, 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$560 | Average$723 | FlexibilityNo cancel fee | On-time67% | |
| 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% |