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$570+ Cheap flights from Portland, ME (PWM) to Sweden

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ARN
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Portland to Sweden

Cheapest flights from Portland to Sweden
Explore the most affordable flight options available from Portland to Sweden. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This American Airlines deal was found by Cheapflights users on 2/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:03 pm
PWM
-
ARN
2 stops20h 52m
American Airlines
Wed 10/287:10 am
ARN
-
PWM
2 stops20h 35m
American Airlines
Deal found 2/13$570
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:25 am
PWM
-
ARN
2 stops33h 40m
Scandinavian Airlines
Sun 4/56:00 pm
ARN
-
PWM
2 stops35h 59m
Scandinavian Airlines
Deal found 2/11$587
This KLM deal was found by Cheapflights users on 2/11. 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.
Sun 3/292:30 pm
PWM
-
ARN
2 stops16h 40m
KLM
Sun 4/510:20 am
ARN
-
PWM
1 stop19h 39m
KLM
Deal found 2/11$613
This KLM deal was found by Cheapflights users on 2/11. 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 2/252:35 pm
PWM
-
ARN
2 stops16h 45m
KLM
Sun 3/17:40 am
ARN
-
PWM
2 stops22h 38m
KLM
Deal found 2/11$623
This American Airlines deal was found by Cheapflights users on 2/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:29 pm
PWM
-
ARN
2 stops19h 41m
American Airlines
Sun 3/17:15 am
ARN
-
PWM
3 stops22h 35m
American Airlines
Deal found 2/13$699
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/112:31 pm
PWM
-
ARN
2 stops17h 54m
United Airlines
Wed 2/186:15 am
ARN
-
PWM
2 stops18h 41m
United Airlines
Deal found 2/10$726
This Scandinavian Airlines deal was found by Cheapflights users on 2/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:30 pm
PWM
-
ARN
2 stops15h 45m
Scandinavian Airlines
Wed 3/251:30 pm
ARN
-
PWM
2 stops39h 29m
Scandinavian Airlines
Deal found 2/12$899
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:23 pm
PWM
-
ARN
2 stops43h 07m
United Airlines
Sat 4/49:50 am
ARN
-
PWM
2 stops41h 50m
United Airlines
Deal found 2/11$900
This KLM deal was found by Cheapflights users on 2/13. 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.
Tue 2/172:35 pm
PWM
-
ARN
2 stops16h 05m
KLM
Thu 2/191:30 pm
ARN
-
PWM
2 stops16h 48m
KLM
Deal found 2/13$1,105

Find flight deals from Portland to Sweden

Keep the following information in mind while searching for Portland to Sweden flight deals. Data was last updated February 14, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$587
(Expedia)
Provider with most accurate pricing for Portland-Stockholm (STO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Stockholm (STO) flights.
Search Deals
From Portland to Sweden
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Sweden 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 February 14, 2026.
Use the filters below to find and compare flights from Portland to Sweden that are best for you.

Fly from

Portland

Fly to

Sweden

Route

Depart

Return

Price

PortlandStockholm

PWM - ARN

PWMARN

Portland

Sun 3/29

2:30 pm-1:10 pm

2 stops16h 40m

Stockholm Arlanda

Sun 4/5

10:20 am-11:59 pm

1 stop19h 39m

$613

PortlandStockholm

PWM - ARN

PWMARN

Portland

Wed 2/25

2:35 pm-1:20 pm

2 stops16h 45m

Stockholm Arlanda

Sun 3/1

7:40 am-12:18 am

2 stops22h 38m

$623

PortlandStockholm

PWM - ARN

PWMARN

Portland

Wed 2/25

12:29 pm-5:00 pm

2 stops22h 31m

Stockholm Arlanda

Sun 3/1

7:15 am-10:59 pm

3 stops21h 44m

$699

PortlandStockholm

PWM - ARN

PWMARN

Portland

Sat 3/21

2:30 pm-11:15 am

2 stops15h 45m

Stockholm Arlanda

Wed 3/25

1:30 pm-11:59 pm

2 stops39h 29m

$899

PortlandStockholm

PWM - ARN

PWMARN

Portland

Sat 3/28

4:23 pm-4:30 pm

2 stops43h 07m

Stockholm Arlanda

Sat 4/4

9:50 am-9:40 pm

2 stops41h 50m

$900

PortlandStockholm

PWM - ARN

PWMARN

Portland

Sun 3/29

6:25 am-10:15 am

3 stops21h 50m

Stockholm Arlanda

Sun 4/5

8:45 am-11:59 pm

2 stops21h 14m

$2,010

PortlandStockholm

PWM - ARN

PWMARN

Portland

Sun 3/29

11:09 am-11:05 am

3 stops17h 56m

Stockholm Arlanda

Sun 4/5

6:20 am-6:40 pm

3 stops18h 20m

$2,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from Portland to Sweden

Have a flexible travel schedule? Discover the best time to fly to Sweden from Portland with our price prediction graph.
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 Sweden

What is the cheapest month to book a flight from Portland, Maine to Sweden?

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Sweden (average of $339). Flying from Portland, Maine to Sweden in June is currently the most expensive (average of $465). 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.

Related info for your journey

Find useful and relevant information for your journey from Portland to Sweden. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Sweden?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Sweden. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • How long is the flight from Portland, Maine to Sweden?

    Departing from Portland, Maine to Sweden will take you 16h 40m. The distance from Portland, Maine to Sweden is about 3634 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Portland to Sweden that include hotel bookings?

    Yes. In addition to deals on Portland to Sweden flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Sweden?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Sweden.

  • Can I find deals for business class flights from Portland to Sweden?

    Yes. Cheapflights offers flight deals from Portland to Sweden by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Sweden?

    Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Sweden (average of $339). Flying from Portland, Maine to Sweden in June is currently the most expensive (average of $465). 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.

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