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$345+ Cheap flights from Portland, ME (PWM) to Barcelona

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BCN
Jul 22 — Jul 291
Wed 7/22
Wed 7/29
1 adult, Economy
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Cheap flight deals from Portland to Barcelona

Cheapest flights from Portland to Barcelona
Explore the most affordable flight options available from Portland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.

This Air Canada deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:10 am
PWM
-
BCN
2 stops16h 50m
Air Canada
Tue 9/2912:15 pm
BCN
-
PWM
2 stops31h 36m
Air Canada
Deal found 6/20$700
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:38 pm
PWM
-
BCN
1 stop11h 42m
United Airlines
Tue 9/2911:15 am
BCN
-
PWM
1 stop18h 44m
United Airlines
Deal found 6/20$717
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:15 am
PWM
-
BCN
1 stop21h 05m
United Airlines
Thu 10/18:00 am
BCN
-
PWM
2 stops21h 28m
United Airlines
Deal found 6/20$720
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:43 am
PWM
-
BCN
2 stops15h 37m
United Airlines
Tue 9/2911:15 am
BCN
-
PWM
2 stops18h 13m
United Airlines
Deal found 6/20$721
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:25 pm
PWM
-
BCN
1 stop30h 55m
United Airlines
Fri 10/211:15 am
BCN
-
PWM
1 stop18h 44m
United Airlines
Deal found 6/20$722
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Thu 12/317:22 pm
PWM
-
BCN
1 stop31h 38m
United Airlines
Thu 1/141:35 pm
BCN
-
PWM
2 stops54h 17m
United Airlines
Deal found 6/19$758
This Delta deal was found by Cheapflights users on 6/19. 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 12/316:00 am
PWM
-
BCN
1 stop20h 40m
Delta
Thu 1/1410:30 am
BCN
-
PWM
1 stop19h 19m
Delta
Deal found 6/19$767
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:15 am
PWM
-
BCN
2 stops20h 45m
United Airlines
Fri 10/211:15 am
BCN
-
PWM
1 stop14h 09m
United Airlines
Deal found 6/20$770
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:25 pm
PWM
-
BCN
1 stop30h 55m
United Airlines
Sat 10/311:15 am
BCN
-
PWM
1 stop14h 09m
United Airlines
Deal found 6/20$772
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:38 pm
PWM
-
BCN
1 stop11h 42m
United Airlines
Sun 10/411:15 am
BCN
-
PWM
1 stop28h 47m
United Airlines
Deal found 6/20$773

Find flight deals from Portland to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 22, 2026.

Round-trip from

$700
(Air Canada)

One-way from

$345
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,329
From Portland to Barcelona
Search Deals
One-way flight from Portland to Barcelona
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 22, 2026.
Use the filters below to find and compare flights from Portland to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 9/23

6:02 am-8:45 am

1 stop20h 43m

Barcelona-El Prat

Tue 9/29

10:55 am-11:56 pm

1 stop19h 01m

$717
Quickest round-trip

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Mon 12/7

9:10 am-8:20 am

1 stop17h 10m

Barcelona-El Prat

Wed 12/9

10:30 am-7:24 pm

1 stop14h 54m

$717

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sun 9/27

5:15 am-8:20 am

1 stop21h 05m

Barcelona-El Prat

Sat 10/3

11:15 am-7:24 pm

1 stop14h 09m

$767

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 9/24

11:50 am-11:15 am

2 stops17h 25m

Barcelona-El Prat

Thu 10/1

11:00 am-11:30 pm

1 stop18h 30m

$771

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 10/15

7:58 am-1:15 pm

1 stop23h 17m

Barcelona-El Prat

Mon 10/19

11:15 am-7:24 pm

1 stop14h 09m

$817

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 8/5

5:15 am-8:20 am

1 stop21h 05m

Barcelona-El Prat

Wed 8/12

11:15 am-7:24 pm

1 stop14h 09m

$876

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sun 9/27

6:00 am-5:35 pm

2 stops29h 35m

Barcelona-El Prat

Thu 10/1

12:10 pm-11:52 pm

2 stops41h 42m

$1,217
Cheapest one-way

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 10/24

7:25 pm-10:00 am

1 stop32h 35m

$345

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 9/17

2:35 pm-5:10 pm

2 stops20h 35m

$389

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 9/17

6:00 am-9:00 am

1 stop21h 00m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated June 22, 2026.
Peruse reviews from past customers who have flown with United Airlines from Portland to Barcelona 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.
United Airlines
7.4
Good
9,875 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,875 reviews
United Airlines
7.4
Good
9,875 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Portland to Barcelona. 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 Barcelona?

    If you book a flight to Barcelona from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland. There are 0 flights from Portland to Barcelona per day from 1 airline.

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

    Departing from Portland, Maine to Barcelona will take you 17h 10m. Portland, Maine and Barcelona are separated by a distance of 3569 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Portland, Maine to Barcelona round-trip?

    According to our current data, United Airlines ($637), offers the cheapest pricing from Portland, Maine to Barcelona. United Airlines is currently priced 29% below the average price you’ll pay for this route.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Barcelona-El Prat flights
Boston to Reus flights

Top airline flying from Portland to Barcelona

Discover the top airline that operate flights from Portland to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,147FlexibilityNo cancel feeOn-time69%

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