$421+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IST
Sep 3 — Sep 101
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 August 4, 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 August 4, 2026.
This Expedia deal was found by Cheapflights users on 8/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:45 pm
PDX
- IST
1 stop20h 05m
British Airways
Wed 11/187:35 am
IST
- PDX
1 stop19h 15m
British Airways
Deal found 8/2![British Airways logo]()
$791
This Expedia deal was found by Cheapflights users on 8/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:34 pm
PDX
- IST
2 stops25h 16m
Lufthansa
Tue 11/174:30 am
IST
- PDX
2 stops28h 57m
Lufthansa
Deal found 8/2![Lufthansa logo]()
$794
This Justfly.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/210:30 am
PDX
- IST
2 stops33h 50m
Qatar Airways
Tue 9/298:05 pm
IST
- PDX
2 stops32h 33m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$811
This flugladen.de deal was found by Cheapflights users on 8/2. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:20 am
PDX
- IST
2 stops35h 00m
Qatar Airways
Tue 10/68:05 pm
IST
- PDX
2 stops35h 51m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$812
This Justfly.com deal was found by Cheapflights users on 7/30. 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.
Wed 10/148:09 am
PDX
- IST
2 stops36h 11m
Qatar Airways
Wed 10/218:05 pm
IST
- PDX
2 stops35h 51m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$813
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Mon 9/76:20 am
PDX
- IST
2 stops43h 35m
Qatar Airways
Mon 9/218:05 pm
IST
- PDX
2 stops37h 50m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$815
This FlightHub deal was found by Cheapflights users on 8/1. 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
Mon 10/58:05 pm
IST
- PDX
2 stops36h 57m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$816
This Expedia deal was found by Cheapflights users on 8/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:45 pm
PDX
- IST
1 stop20h 05m
British Airways
Sun 11/88:20 am
IST
- PDX
1 stop18h 30m
British Airways
Deal found 8/2![British Airways logo]()
$840
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Wed 11/117:35 am
IST
- PDX
1 stop19h 15m
British Airways
Deal found 7/31![British Airways logo]()
$841
This Flightnetwork deal was found by Cheapflights users on 8/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:30 am
PDX
- IST
2 stops33h 50m
Qatar Airways
Mon 10/58:05 pm
IST
- PDX
2 stops35h 51m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$847
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 August 4, 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 August 4, 2026.
This British Airways deal was found by Cheapflights users on 7/31. 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.
Wed 10/147:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Wed 10/287:35 am
IST
- PDX
2 stops26h 24m
British Airways
Deal found 7/31![British Airways logo]()
$948
This KLM deal was found by Cheapflights users on 7/31. 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 10/282:20 pm
PDX
- IST
1 stop16h 35m
KLM
Sat 10/315:55 pm
IST
- PDX
1 stop28h 25m
KLM
Deal found 7/31![KLM logo]()
$998
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:02 pm
PDX
- IST
2 stops27h 58m
United Airlines
Fri 9/41:55 pm
IST
- PDX
2 stops29h 34m
United Airlines
Deal found 8/3![United Airlines logo]()
$1,029
This British Airways deal was found by Cheapflights users on 8/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Wed 10/218:15 am
IST
- PDX
2 stops25h 44m
British Airways
Deal found 8/3![British Airways logo]()
$949
This KLM deal was found by Cheapflights users on 8/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm
PDX
- IST
1 stop17h 15m
KLM
Sat 10/315:55 pm
IST
- PDX
1 stop28h 25m
KLM
Deal found 8/2![KLM logo]()
$999
This British Airways deal was found by Cheapflights users on 7/30. 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 9/67:30 pm
PDX
- IST
1 stop18h 55m
British Airways
Wed 9/167:25 pm
IST
- PDX
1 stop32h 15m
British Airways
Deal found 7/30![British Airways logo]()
$993
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:45 pm
PDX
- IST
3 stops22h 40m
United Airlines
Wed 10/215:40 am
IST
- PDX
2 stops22h 51m
United Airlines
Deal found 8/1![United Airlines logo]()
$1,167
This KLM deal was found by Cheapflights users on 7/30. 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 8/291:05 pm
PDX
- IST
1 stop17h 15m
KLM
Sat 9/56:00 am
IST
- PDX
1 stop15h 10m
KLM
Deal found 7/30![KLM logo]()
$1,080
This British Airways deal was found by Cheapflights users on 7/30. 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 7/30![British Airways logo]()
$1,098
This British Airways deal was found by Cheapflights users on 8/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:30 pm
PDX
- IST
1 stop19h 10m
British Airways
Sat 10/38:15 am
IST
- PDX
2 stops25h 13m
British Airways
Deal found 8/3![British Airways logo]()
$1,124
Last-minute flights from Portland to IstanbulDiscover last-minute flight deals from Portland to Istanbul. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Istanbul. Data last updated August 4, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:30 am
PDX
- IST
2 stops46h 05m
Qatar Airways
Sun 9/138:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 8/3![Qatar Airways logo]()
$853
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Sun 8/305:07 am
PDX
- IST
2 stops39h 13m
Qatar Airways
Wed 9/308:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$813
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Mon 8/318:07 am
PDX
- IST
2 stops41h 48m
Qatar Airways
Wed 9/308:05 pm
IST
- PDX
2 stops33h 45m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$867
This Justfly.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/210:30 am
PDX
- IST
2 stops33h 50m
Qatar Airways
Tue 9/298:05 pm
IST
- PDX
2 stops32h 33m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$811
This FlightHub deal was found by Cheapflights users on 7/30. 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 9/69:20 am
PDX
- IST
2 stops35h 00m
Qatar Airways
Wed 9/168:05 pm
IST
- PDX
2 stops35h 56m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$865
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Mon 9/76:20 am
PDX
- IST
2 stops43h 35m
Qatar Airways
Wed 9/238:05 pm
IST
- PDX
2 stops33h 45m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$815
This Ovago deal was found by Cheapflights users on 8/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:20 am
PDX
- IST
2 stops40h 55m
Qatar Airways
Tue 9/228:05 pm
IST
- PDX
2 stops33h 45m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$850
This Gotogate deal was found by Cheapflights users on 8/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:09 am
PDX
- IST
2 stops37h 11m
Qatar Airways
Wed 9/238:05 pm
IST
- PDX
2 stops30h 45m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$856
This flugladen.de deal was found by Cheapflights users on 8/2. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:20 am
PDX
- IST
2 stops35h 00m
Qatar Airways
Tue 10/68:05 pm
IST
- PDX
2 stops35h 51m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$812
This Flightnetwork deal was found by Cheapflights users on 8/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:30 am
PDX
- IST
2 stops33h 50m
Qatar Airways
Mon 10/58:05 pm
IST
- PDX
2 stops35h 51m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$847
This FlightHub deal was found by Cheapflights users on 8/1. 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
Mon 10/58:05 pm
IST
- PDX
2 stops36h 57m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$816
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 August 4, 2026.
Search for one-way flight options from Portland to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/33:30 pm
PDX
- IST
3 stops42h 00m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$421
This FlightHub deal was found by Cheapflights users on 7/30. 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 9/12:27 pm
PDX
- IST
2 stops25h 38m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$470
This Travelocity deal was found by Cheapflights users on 8/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am
PDX
- IST
2 stops31h 05m
Lufthansa
Deal found 8/3![Lufthansa logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/153:30 pm
PDX
- IST
3 stops55h 15m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$475
This FlightHub deal was found by Cheapflights users on 7/30. 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 9/2011:15 am
PDX
- IST
2 stops24h 20m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$481
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:25 am
PDX
- IST
2 stops26h 50m
United Airlines
Deal found 8/3![United Airlines logo]()
$482
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:15 am
PDX
- IST
2 stops24h 10m
Lufthansa
Deal found 7/31![Lufthansa logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Tue 9/156:20 am
PDX
- IST
3 stops31h 45m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$494
This FlightHub deal was found by Cheapflights users on 8/2. 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.
Thu 8/276:20 am
PDX
- IST
2 stops50h 15m
Qatar Airways
Deal found 8/2![Qatar Airways logo]()
$503
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $791 (Expedia) |
One-way from | $421 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $932 |
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 August 4, 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
Wed 10/14
7:30 pm-12:25 am
1 stop18h 55m
Istanbul
Wed 10/28
7:35 am-11:59 pm
2 stops26h 24m
$948
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 10/14
7:30 pm-12:25 am
1 stop18h 55m
Istanbul
Wed 10/21
8:15 am-11:59 pm
2 stops25h 44m
$949
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 9/6
7:30 pm-12:25 am
1 stop18h 55m
Istanbul
Wed 9/16
7:25 pm-5:40 pm
1 stop32h 15m
$993
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 10/28
2:20 pm-4:55 pm
1 stop16h 35m
Istanbul
Sat 10/31
5:55 pm-12:20 pm
1 stop28h 25m
$998
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sun 10/18
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Sat 10/31
5:55 pm-12:20 pm
1 stop28h 25m
$999
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sat 8/22
11:02 pm-1:00 pm
2 stops27h 58m
Istanbul
Fri 9/4
1:55 pm-9:29 am
2 stops29h 34m
$1,029
Quickest round-trip
PortlandIstanbul
PDX - IST
PDXIST
Portland
Sat 8/29
1:05 pm-4:20 pm
1 stop17h 15m
Istanbul
Sat 9/5
6:00 am-11:10 am
1 stop15h 10m
$1,080
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
$1,098
PortlandIstanbul
PDX - IST
PDXIST
Portland
Thu 9/17
7:30 pm-12:40 am
1 stop19h 10m
Istanbul
Sat 10/3
8:15 am-11:28 pm
2 stops25h 13m
$1,124
PortlandIstanbul
PDX - IST
PDXIST
Portland
Wed 10/14
12:45 pm-9:25 pm
3 stops22h 40m
Istanbul
Wed 10/21
5:40 am-6:31 pm
2 stops22h 51m
$1,167
Showing 1-10 of 18 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 August.
| 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 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?
Airfare is typical for this route at the moment.
Portland to Istanbul Airport flights typically cost between $786 and $1,112 in November.The cheapest round-trip price found within the last 5 days was $791 on British Airways (Nov 8-Nov 18).
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 August 4, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andQatar Airways 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.
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Overall
7.8
Crew
8.4
Boarding
7.8
Comfort
7.7
Food
7.3
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - 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
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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 August 4, 2026.
Portland and Istanbul flights
Browse other Portland and Istanbul flight options. Last updated on August 4, 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 August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 4, 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$620 | Average$894 | 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% | |
| Cheapest$699 | Average$880 | FlexibilityNo cancel fee | On-time68% |