$337+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
Jun 14 — Jun 211
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 May 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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 7/263:30 pm
PDX
- IST
2 stops26h 00m
Delta
Fri 8/74:25 am
IST
- PDX
2 stops27h 37m
Delta
Deal found 5/10![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 5/13. 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 8/53:25 pm
PDX
- IST
2 stops26h 05m
Delta
Tue 8/115:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/13![Delta logo]()
$705
This Delta deal was found by Cheapflights users on 5/13. 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 8/42:08 pm
PDX
- IST
2 stops51h 22m
Delta
Tue 8/115:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/13![Delta logo]()
$718
This Delta deal was found by Cheapflights users on 5/13. 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 8/42:08 pm
PDX
- IST
2 stops51h 22m
Delta
Wed 8/126:00 am
IST
- PDX
2 stops26h 02m
Delta
Deal found 5/13![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 5/11. 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 9/151:25 pm
PDX
- IST
2 stops28h 05m
Delta
Tue 10/136:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/11![Delta logo]()
$740
This Delta deal was found by Cheapflights users on 5/13. 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 7/221:05 pm
PDX
- IST
1 stop17h 15m
Delta
Mon 7/274:25 am
IST
- PDX
2 stops26h 48m
Delta
Deal found 5/13![Delta logo]()
$750
This Delta deal was found by Cheapflights users on 5/13. 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 8/612:20 pm
PDX
- IST
2 stops29h 10m
Delta
Wed 8/126:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/13![Delta logo]()
$755
This Delta deal was found by Cheapflights users on 5/13. 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 10/15:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/13![Delta logo]()
$770
This Delta deal was found by Cheapflights users on 5/10. 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 7/2811:17 am
PDX
- IST
2 stops30h 13m
Delta
Sun 8/95:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/10![Delta logo]()
$775
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 15, 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 15, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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 8/311:17 am
PDX
- IST
2 stops30h 13m
Delta
Mon 8/106:00 am
IST
- PDX
2 stops26h 02m
Delta
Deal found 5/13![Delta logo]()
$784
This KLM deal was found by Cheapflights users on 5/14. 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
Thu 6/116:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 5/14![KLM logo]()
$1,056
This Delta deal was found by Cheapflights users on 5/10. 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 8/1612:32 am
PDX
- IST
2 stops29h 48m
Delta
Thu 10/16:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/10![Delta logo]()
$920
This KLM deal was found by Cheapflights users on 5/14. 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
Wed 6/176:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 5/14![KLM logo]()
$1,056
This Delta deal was found by Cheapflights users on 5/11. 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 9/91:05 pm
PDX
- IST
1 stop17h 15m
Delta
Sun 9/136:00 am
IST
- PDX
1 stop15h 10m
Delta
Deal found 5/11![Delta logo]()
$975
This KLM deal was found by Cheapflights users on 5/13. 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
Fri 6/55:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/13![KLM logo]()
$1,056
This Delta deal was found by Cheapflights users on 5/14. 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 7/241:05 pm
PDX
- IST
1 stop26h 15m
Delta
Sat 8/295:20 pm
IST
- PDX
1 stop27h 50m
Delta
Deal found 5/14![Delta logo]()
$1,063
This KLM deal was found by Cheapflights users on 5/11. 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 6/31:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/74:25 am
IST
- PDX
2 stops20h 21m
KLM
Deal found 5/11![KLM logo]()
$1,065
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated May 15, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 5/10. 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 5/245:01 pm
PDX
- IST
2 stops22h 19m
KLM
Sun 11/295:55 pm
IST
- PDX
1 stop28h 25m
KLM
Deal found 5/10![KLM logo]()
$1,006
This Air France deal was found by Cheapflights users on 5/10. 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 5/245:01 pm
PDX
- IST
2 stops22h 19m
KLM
Sat 6/65:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/10![KLM logo]()
$1,068
This Air France deal was found by Cheapflights users on 5/14. 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 5/283:30 pm
PDX
- IST
2 stops23h 50m
Multiple Airlines
Thu 6/44:25 am
IST
- PDX
2 stops21h 35m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,069
This KLM deal was found by Cheapflights users on 5/13. 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
Fri 6/55:20 pm
IST
- PDX
1 stop27h 50m
KLM
Deal found 5/13![KLM logo]()
$1,056
This KLM deal was found by Cheapflights users on 5/12. 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 6/41:05 pm
PDX
- IST
1 stop26h 15m
KLM
Sun 6/74:25 am
IST
- PDX
2 stops20h 21m
KLM
Deal found 5/12![KLM logo]()
$1,066
This KLM deal was found by Cheapflights users on 5/11. 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 6/214:25 am
IST
- PDX
2 stops20h 21m
KLM
Deal found 5/11![KLM logo]()
$1,065
This Justfly.com deal was found by Cheapflights users on 5/12. 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.
Sun 6/218:19 am
PDX
- IST
2 stops36h 01m
Qatar Airways
Thu 7/98:05 pm
IST
- PDX
2 stops37h 25m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$999
This Justfly.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/228:19 am
PDX
- IST
2 stops41h 36m
Qatar Airways
Wed 7/88:05 pm
IST
- PDX
2 stops36h 20m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,001
This FlightHub deal was found by Cheapflights users on 5/12. 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
Thu 7/238:05 pm
IST
- PDX
2 stops30h 50m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,014
This Qatar Airways deal was found by Cheapflights users on 5/12. 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 6/245:00 am
PDX
- IST
2 stops39h 20m
Qatar Airways
Tue 7/78:05 pm
IST
- PDX
2 stops30h 50m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,060
This FlightHub deal was found by Cheapflights users on 5/13. 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 6/289:19 am
PDX
- IST
2 stops40h 36m
Qatar Airways
Wed 7/228:05 pm
IST
- PDX
2 stops38h 17m
Qatar Airways
Deal found 5/13![Qatar Airways logo]()
$1,016
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 15, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 stops35h 40m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/247:05 pm
PDX
- IST
3 stops42h 00m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 5/10. 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
2 stops38h 20m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 8/237:05 pm
PDX
- IST
3 stops38h 25m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 5/15. 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 9/173:50 pm
PDX
- IST
2 stops25h 40m
Delta
Deal found 5/15![Delta logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/75:35 pm
PDX
- IST
2 stops39h 55m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 10/67:37 pm
PDX
- IST
2 stops37h 53m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 10/205:45 pm
PDX
- IST
2 stops39h 45m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$458
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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $684 (Delta) |
One-way from | $337 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,002 |
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 15, 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 8/3
11:17 am-3:30 am
2 stops30h 13m
Istanbul
Mon 8/10
6:00 am-10:02 pm
2 stops26h 02m
$784
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 8/16
12:32 am-4:20 pm
2 stops29h 48m
Istanbul
Thu 10/1
6:00 am-11:10 am
1 stop15h 10m
$920
Quickest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 9/9
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Sun 9/13
6:00 am-11:10 am
1 stop15h 10m
$975
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 6/7
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Thu 6/11
6:00 am-11:10 am
1 stop15h 10m
$1,056
PortlandIstanbul
PDX - IST
PDXIST
Portland
Tue 6/9
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Wed 6/17
6:00 am-11:10 am
1 stop15h 10m
$1,056
PortlandIstanbul
PDX - IST
PDXIST
Portland
Mon 6/1
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Fri 6/5
5:20 pm-11:10 am
1 stop27h 50m
$1,056
PortlandIstanbul
PDX - IST
PDXIST
Portland
Fri 7/24
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Sat 8/29
5:20 pm-11:10 am
1 stop27h 50m
$1,063
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 6/3
1:05 pm-1:20 am
1 stop26h 15m
Istanbul
Sun 6/7
4:25 am-2:46 pm
2 stops20h 21m
$1,065
Cheapest one-way
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 9/17
3:50 pm-3:30 am
2 stops25h 40m
$410
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 9/20
11:10 am-3:30 am
2 stops30h 20m
$500
Showing 1-10 of 16 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 15, 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.
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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 15, 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$746 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$560 | Average$723 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$620 | Average$841 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$628 | Average$1,174 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$652 | Average$977 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$764 | Average$990 | FlexibilityNo cancel fee | On-time68% |