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$390+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BCN
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
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 March 1, 2026.

This United Airlines deal was found by Cheapflights users on 2/26. 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 4/126:18 pm
PWM
-
BCN
1 stop12h 57m
United Airlines
Wed 4/221:15 pm
BCN
-
PWM
2 stops34h 17m
United Airlines
Deal found 2/26$562
This American Airlines deal was found by Cheapflights users on 2/27. 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 4/123:02 pm
PWM
-
BCN
2 stops15h 38m
American Airlines
Wed 4/2210:30 am
BCN
-
PWM
1 stop18h 57m
American Airlines
Deal found 2/27$574
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Tue 4/143:02 pm
PWM
-
BCN
2 stops16h 13m
American Airlines
Tue 4/2112:20 pm
BCN
-
PWM
2 stops17h 34m
American Airlines
Deal found 2/28$581
This United Airlines deal was found by Cheapflights users on 2/27. 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 4/117:36 pm
PWM
-
BCN
1 stop30h 44m
United Airlines
Wed 4/2211:15 am
BCN
-
PWM
1 stop13h 43m
United Airlines
Deal found 2/27$628
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 4/1112:51 pm
PWM
-
BCN
2 stops20h 44m
Delta
Thu 4/233:15 pm
BCN
-
PWM
1 stop15h 31m
Delta
Deal found 2/27$632
This United Airlines deal was found by Cheapflights users on 2/27. 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 4/117:36 pm
PWM
-
BCN
1 stop30h 44m
United Airlines
Thu 4/2311:15 am
BCN
-
PWM
1 stop29h 07m
United Airlines
Deal found 2/27$634
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Sat 4/113:02 pm
PWM
-
BCN
2 stops15h 08m
American Airlines
Wed 4/2210:30 am
BCN
-
PWM
2 stops18h 16m
American Airlines
Deal found 2/27$646
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Tue 3/312:49 pm
PWM
-
BCN
2 stops18h 51m
American Airlines
Tue 3/1011:30 am
BCN
-
PWM
1 stop16h 29m
American Airlines
Deal found 2/28$664
This Delta deal was found by Cheapflights users on 2/25. 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 9/22:35 pm
PWM
-
BCN
2 stops14h 40m
Delta
Mon 9/146:20 am
BCN
-
PWM
2 stops23h 39m
Delta
Deal found 2/25$666

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 March 1, 2026.

Round-trip from

$562
(United Airlines)

One-way from

$390
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$1,390
From Portland to Barcelona
Search Deals
One-way flight from Portland to Barcelona
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 1, 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

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 4/11

7:36 pm-8:20 am

1 stop30h 44m

Barcelona-El Prat

Wed 4/22

11:15 am-6:58 pm

1 stop13h 43m

$628

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 4/11

12:51 pm-3:35 pm

2 stops20h 44m

Barcelona-El Prat

Thu 4/23

3:15 pm-3:57 pm

2 stops30h 42m

$691

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Mon 4/13

10:00 am-8:20 am

1 stop16h 20m

Barcelona-El Prat

Mon 4/20

11:15 am-6:58 pm

1 stop13h 43m

$788

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 5/23

2:38 pm-8:45 am

1 stop12h 07m

Barcelona-El Prat

Sun 5/31

6:20 am-12:43 am

2 stops24h 23m

$1,060

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 5/23

7:16 pm-8:20 am

1 stop31h 04m

Barcelona-El Prat

Sun 5/31

10:25 am-11:51 pm

2 stops19h 26m

$1,063

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 6/17

5:15 am-8:20 am

1 stop21h 05m

Barcelona-El Prat

Wed 7/15

11:15 am-11:51 pm

1 stop18h 36m

$1,197

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 5/23

2:38 pm-8:45 am

1 stop12h 07m

Barcelona-El Prat

Sun 5/31

10:55 am-12:43 am

1 stop19h 48m

$1,283

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 7/23

5:15 am-2:55 pm

2 stops27h 40m

$390

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 7/23

1:16 pm-1:15 am

3 stops29h 59m

$505

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 4/16

3:39 pm-4:00 pm

2 stops18h 21m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 11 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

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Barcelona (average of $275). Flying from Portland, Maine to Barcelona in June is currently the most expensive (average of $415). 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 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 March 1, 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
9,370 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,370 reviews
United Airlines
7.4
Good
9,370 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 20h 44m. 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 35% 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.

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

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Barcelona (average of $275). Flying from Portland, Maine to Barcelona in June is currently the most expensive (average of $415). 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.

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 March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,232FlexibilityNo cancel feeOn-time69%

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