$270+ Cheap flights from Portland (PDX) to Helsinki (HEL)
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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HEL
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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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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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 Helsinki
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to HelsinkiExplore the most affordable flight options available from Portland to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Portland to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This oojo deal was found by Cheapflights users on 3/5. 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.
Mon 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Mon 4/273:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/5![Icelandair logo]()
$417
This FlightHub deal was found by Cheapflights users on 3/8. 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 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Sun 4/263:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$471
This oojo deal was found by Cheapflights users on 3/6. 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.
Tue 4/283:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Mon 5/43:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/6![Icelandair logo]()
$474
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Mon 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Fri 4/243:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$493
This oojo deal was found by Cheapflights users on 3/5. 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 5/23:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Wed 5/133:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/5![Icelandair logo]()
$532
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Sat 4/183:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Fri 4/243:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$594
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 pm
PDX
- HEL
2 stops26h 30m
Scandinavian Airlines
Sun 10/254:05 pm
HEL
- PDX
2 stops39h 21m
Scandinavian Airlines
Deal found 3/6![Scandinavian Airlines logo]()
$613
This FlightHub deal was found by Cheapflights users on 3/7. 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 11/2410:05 am
PDX
- HEL
2 stops22h 45m
Air Canada
Sun 11/296:50 am
HEL
- PDX
2 stops36h 35m
Air Canada
Deal found 3/7![Air Canada logo]()
$628
This Finnair deal was found by Cheapflights users on 3/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:23 pm
PDX
- HEL
1 stop14h 52m
Multiple Airlines
Wed 4/294:25 pm
HEL
- PDX
1 stop16h 31m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 3/8. 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 4/191:05 pm
PDX
- HEL
1 stop14h 00m
Delta
Wed 4/291:55 pm
HEL
- PDX
1 stop31h 15m
Delta
Deal found 3/8![Delta logo]()
$634
Best flights from Portland to HelsinkiDiscover carefully curated flight deals from Portland to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Portland to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This KLM deal was found by Cheapflights users on 3/9. 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 4/2810:42 am
PDX
- HEL
2 stops16h 23m
KLM
Mon 5/46:25 pm
HEL
- PDX
1 stop26h 45m
KLM
Deal found 3/9![KLM logo]()
$638
This Delta deal was found by Cheapflights users on 3/8. 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 4/171:05 pm
PDX
- HEL
1 stop14h 00m
Delta
Tue 4/281:55 pm
HEL
- PDX
1 stop31h 15m
Delta
Deal found 3/8![Delta logo]()
$720
This Scandinavian Airlines deal was found by Cheapflights users on 3/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:20 am
PDX
- HEL
3 stops23h 15m
Scandinavian Airlines
Mon 5/47:15 am
HEL
- PDX
3 stops25h 27m
Scandinavian Airlines
Deal found 3/6![Scandinavian Airlines logo]()
$939
This British Airways deal was found by Cheapflights users on 3/9. 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.
Fri 4/245:30 pm
PDX
- HEL
2 stops17h 30m
British Airways
Tue 4/2812:20 pm
HEL
- PDX
1 stop19h 18m
British Airways
Deal found 3/9![British Airways logo]()
$1,001
This Finnair deal was found by Cheapflights users on 3/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:40 am
PDX
- HEL
1 stop18h 05m
Multiple Airlines
Fri 4/107:40 am
HEL
- PDX
2 stops23h 58m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,004
This KLM deal was found by Cheapflights users on 3/5. 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 4/203:35 pm
PDX
- HEL
2 stops16h 05m
KLM
Mon 4/271:55 pm
HEL
- PDX
1 stop31h 15m
KLM
Deal found 3/5![KLM logo]()
$639
This KLM deal was found by Cheapflights users on 3/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:20 am
PDX
- HEL
2 stops15h 45m
KLM
Fri 6/127:00 am
HEL
- PDX
2 stops18h 06m
KLM
Deal found 3/6![KLM logo]()
$885
This Scandinavian Airlines deal was found by Cheapflights users on 3/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:05 pm
PDX
- HEL
2 stops40h 15m
Scandinavian Airlines
Tue 4/286:10 am
HEL
- PDX
2 stops26h 32m
Scandinavian Airlines
Deal found 3/8![Scandinavian Airlines logo]()
$982
Last-minute flights from Portland to HelsinkiDiscover last-minute flight deals from Portland to Helsinki. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Helsinki. Data last updated March 10, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Sat 4/183:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Fri 4/243:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$594
This Delta deal was found by Cheapflights users on 3/8. 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 4/191:05 pm
PDX
- HEL
1 stop14h 00m
Delta
Wed 4/291:55 pm
HEL
- PDX
1 stop31h 15m
Delta
Deal found 3/8![Delta logo]()
$634
This Delta deal was found by Cheapflights users on 3/8. 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 4/197:05 am
PDX
- HEL
2 stops24h 35m
Delta
Thu 4/301:55 pm
HEL
- PDX
1 stop31h 15m
Delta
Deal found 3/8![Delta logo]()
$638
This oojo deal was found by Cheapflights users on 3/5. 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.
Mon 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Mon 4/273:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/5![Icelandair logo]()
$417
This FlightHub deal was found by Cheapflights users on 3/8. 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 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Sun 4/263:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$471
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Mon 4/203:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Wed 4/293:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/8![Icelandair logo]()
$493
This Delta deal was found by Cheapflights users on 3/8. 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 4/207:00 am
PDX
- HEL
2 stops19h 55m
Delta
Tue 4/281:55 pm
HEL
- PDX
1 stop31h 15m
Delta
Deal found 3/8![Delta logo]()
$637
This KLM deal was found by Cheapflights users on 3/5. 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 4/203:35 pm
PDX
- HEL
2 stops16h 05m
KLM
Mon 4/271:55 pm
HEL
- PDX
1 stop31h 15m
KLM
Deal found 3/5![KLM logo]()
$639
This Delta deal was found by Cheapflights users on 3/8. 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 4/219:55 am
PDX
- HEL
2 stops20h 45m
Delta
Wed 4/297:15 am
HEL
- PDX
2 stops25h 01m
Delta
Deal found 3/8![Delta logo]()
$642
This Finnair deal was found by Cheapflights users on 3/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:23 pm
PDX
- HEL
1 stop14h 52m
Multiple Airlines
Wed 4/294:25 pm
HEL
- PDX
1 stop16h 31m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$631
This oojo deal was found by Cheapflights users on 3/6. 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.
Tue 4/283:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Mon 5/43:00 pm
HEL
- PDX
1 stop13h 00m
Icelandair
Deal found 3/6![Icelandair logo]()
$474
One-way flights from Portland to HelsinkiSearch for one-way flight options from Portland to Helsinki. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Portland to Helsinki. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Booking.com deal was found by Cheapflights users on 3/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Deal found 3/5![Icelandair logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:30 pm
PDX
- HEL
2 stops15h 10m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$278
This oojo deal was found by Cheapflights users on 3/6. 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.
Sun 8/27:05 pm
PDX
- HEL
1 stop32h 55m
Icelandair
Deal found 3/6![Icelandair logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Deal found 3/5![Icelandair logo]()
$294
This Booking.com deal was found by Cheapflights users on 3/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Deal found 3/9![Icelandair logo]()
$301
This oojo deal was found by Cheapflights users on 3/5. 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.
Tue 7/287:30 pm
PDX
- HEL
2 stops29h 25m
British Airways
Deal found 3/5![British Airways logo]()
$309
This Finnair deal was found by Cheapflights users on 3/5. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:20 am
PDX
- HEL
1 stop16h 55m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:57 pm
PDX
- HEL
2 stops37h 58m
United Airlines
Deal found 3/6![United Airlines logo]()
$337
This deal was found by Cheapflights users on 3/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:30 pm
PDX
- HEL
1 stop12h 30m
Icelandair
Deal found 3/7![Icelandair logo]()
$370
Find flight deals from Portland to Helsinki
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Helsinki (HEL). 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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $417 (oojo) |
One-way from | $270 (Booking.com) |
Popular in | March |
Cheapest in | January |
Average price | $2,641 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Helsinki 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 March 10, 2026.
Use the filters below to find and compare flights from Portland to Helsinki that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Tue 4/28
10:42 am-1:05 pm
2 stops16h 23m
Helsinki-Vantaa
Mon 5/4
6:25 pm-11:10 am
1 stop26h 45m
$638
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Mon 4/20
3:35 pm-5:40 pm
2 stops16h 05m
Helsinki-Vantaa
Mon 4/27
1:55 pm-11:10 am
1 stop31h 15m
$639
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Fri 4/17
1:05 pm-1:05 pm
1 stop14h 00m
Helsinki-Vantaa
Tue 4/28
1:55 pm-11:10 am
1 stop31h 15m
$720
Quickest round-trip
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Sun 5/31
11:20 am-1:05 pm
2 stops15h 45m
Helsinki-Vantaa
Fri 6/12
7:00 am-3:06 pm
2 stops18h 06m
$885
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Tue 4/28
11:20 am-8:35 pm
3 stops23h 15m
Helsinki-Vantaa
Mon 5/4
7:15 am-10:42 pm
3 stops25h 27m
$939
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Fri 4/24
1:05 pm-3:20 pm
2 stops40h 15m
Helsinki-Vantaa
Tue 4/28
6:10 am-10:42 pm
2 stops26h 32m
$982
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Fri 4/24
5:30 pm-9:00 pm
2 stops17h 30m
Helsinki-Vantaa
Tue 4/28
12:20 pm-9:38 pm
1 stop19h 18m
$1,001
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Fri 4/3
6:40 am-10:45 am
1 stop18h 05m
Helsinki-Vantaa
Fri 4/10
7:40 am-9:38 pm
2 stops23h 58m
$1,004
Cheapest one-way
Quickest one-way
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Mon 3/30
3:30 pm-2:00 pm
1 stop12h 30m
$270
PortlandHelsinki
PDX - HEL
PDXHEL
Portland
Sat 8/1
3:30 pm-2:00 pm
1 stop12h 30m
$294
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Portland to Helsinki
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 Helsinki in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Portland-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Helsinki flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Helsinki 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-Helsinki 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 Helsinki
Have a flexible travel schedule? Discover the best time to fly to Helsinki from Portland with our price prediction graph.
PDX-HEL
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 Helsinki
How far ahead should I book a flight from Portland to Helsinki?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Helsinki. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Portland to Helsinki, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Portland to Helsinki?
Currently, March is the cheapest month in which you can book a flight from Portland to Helsinki (average of $356). Flying from Portland to Helsinki in June is currently the most expensive (average of $742). 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.
Reviews of airlines servicing Helsinki
Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated March 10, 2026.
Read reviews from past customers who have flown Delta,KLM, andFinnair from Portland to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
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Top 6 airlines flying from Portland to Helsinki
Discover the top 6 airlines that operate flights from Portland to Helsinki. 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$781 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$356 | Average$508 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$672 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$484 | Average$963 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$914 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$533 | Average$890 | FlexibilityNo cancel fee | On-time76% |