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$670+ Cheap flights from Portland, ME (PWM) to Barcelona

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BCN
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This United Airlines deal was found by Cheapflights users on 3/22. 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 12/66:00 am
PWM
-
BCN
2 stops21h 35m
United Airlines
Wed 12/911:00 am
BCN
-
PWM
1 stop13h 13m
United Airlines
Deal found 3/22$670
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 12/49:34 am
PWM
-
BCN
1 stop16h 46m
United Airlines
Tue 12/810:30 am
BCN
-
PWM
1 stop14h 54m
United Airlines
Deal found 3/19$717
This United Airlines deal was found by Cheapflights users on 3/23. 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 9/67:35 pm
PWM
-
BCN
1 stop30h 45m
United Airlines
Fri 9/1811:15 am
BCN
-
PWM
1 stop18h 44m
United Airlines
Deal found 3/23$729
This Turkish Airlines deal was found by Cheapflights users on 3/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
PWM
-
BCN
2 stops29h 40m
Multiple Airlines
Tue 5/127:40 am
BCN
-
PWM
2 stops45h 56m
Multiple Airlines
Deal found 3/21$737
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/54:50 pm
PWM
-
BCN
1 stop14h 25m
United Airlines
Tue 5/1212:15 pm
BCN
-
PWM
2 stops39h 04m
United Airlines
Deal found 3/21$756

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 23, 2026.

Round-trip from

$737
(Turkish Airlines)

Popular in

July

Cheapest in

February
From Portland to Barcelona
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals

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 23, 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 8/19

5:15 am-8:20 am

1 stop21h 05m

Barcelona-El Prat

Sun 8/23

7:55 am-11:59 pm

2 stops22h 04m

$788

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Tue 5/19

3:39 pm-2:25 pm

2 stops16h 46m

Barcelona-El Prat

Fri 5/29

11:15 am-11:51 pm

1 stop18h 36m

$833
Quickest round-trip

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Tue 5/19

3:39 pm-2:25 pm

2 stops16h 46m

Barcelona-El Prat

Thu 5/28

12:15 pm-11:51 pm

2 stops17h 36m

$836

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Tue 9/1

2:35 pm-5:10 pm

2 stops20h 35m

Barcelona-El Prat

Sat 12/19

10:15 am-11:49 pm

1 stop19h 34m

$837

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 9/16

6:30 am-8:45 am

1 stop20h 15m

Barcelona-El Prat

Sat 9/26

10:55 am-11:59 pm

1 stop19h 04m

$863

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 6/3

2:25 pm-1:30 am

2 stops29h 05m

Barcelona-El Prat

Sun 6/7

10:40 pm-11:56 pm

2 stops31h 16m

$901
Cheapest one-way

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 9/2

10:43 am-5:20 pm

2 stops24h 37m

$1,202

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 9/2

6:00 am-7:35 am

1 stop19h 35m

$1,692
Quickest one-way

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Wed 9/2

9:10 am-8:00 am

3 stops16h 50m

$1,783

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Sorted by cheapest first

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 23, 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
9,460 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,460 reviews
United Airlines
7.4
Good
9,460 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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 21h 05m. Portland, Maine and Barcelona are separated by a distance of 3569 mi.

  • 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 33% 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

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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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,231FlexibilityNo cancel feeOn-time69%

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