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$511+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BCN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 12/136:00 amPWM - BCN
3 stops20h 20mUnited Airlines
Sat 12/206:45 amBCN - PWM
2 stops22h 37mUnited Airlines
Deal found 10/29$1,166
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:10 pmPWM - BCN
2 stops35h 25mUnited Airlines
Wed 12/316:45 amBCN - PWM
2 stops22h 37mUnited Airlines
Deal found 10/28$1,488
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:03 pmPWM - BCN
2 stops15h 22mDelta
Wed 12/3110:15 amBCN - PWM
1 stop32h 05mDelta
Deal found 10/28$1,542
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Sat 12/1310:15 amPWM - BCN
3 stops21h 30mAir Canada
Sat 12/205:50 amBCN - PWM
3 stops18h 36mAir Canada
Deal found 10/29$2,090
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amPWM - BCN
3 stops22h 45mMultiple Airlines
Wed 12/311:35 pmBCN - PWM
2 stops30h 04mMultiple Airlines
Deal found 10/28$3,301
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amPWM - BCN
3 stops22h 45mAir Canada
Wed 12/311:35 pmBCN - PWM
3 stops30h 04mAir Canada
Deal found 10/28$3,473
This Delta deal was found by Cheapflights users on 10/29. 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 12/275:45 amPWM - BCN
1 stop19h 30mDelta
Mon 1/59:55 amBCN - PWM
2 stops20h 25mDelta
Deal found 10/29$3,640
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/272:55 pmPWM - BCN
1 stop12h 05mUnited Airlines
Mon 1/510:30 amBCN - PWM
1 stop14h 21mUnited Airlines
Deal found 10/29$4,528

Cheap 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 October 30, 2025.

Round-trip from

$775
(KLM)

One-way from

$511
(United Airlines)

Popular in

June

Cheapest in

August

Average price

$723
From Portland to Barcelona
Search Deals
One-way flight from Portland to Barcelona
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 2025.
Use the filters below to find and compare flights from Portland to Barcelona that are best for you.

Fly from

Portland

Fly to

Barcelona

Route

Depart

Return

Price

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Fri 2/27

2:35 pm-8:00 am

1 stop11h 25m

Barcelona-El Prat

Sat 3/7

10:15 am-11:49 pm

1 stop19h 34m

$775

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Fri 2/27

10:57 am-9:00 am

2 stops16h 03m

Barcelona-El Prat

Sat 3/7

11:00 am-10:49 pm

2 stops17h 49m

$831

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Fri 3/27

2:35 pm-8:50 am

2 stops13h 15m

Barcelona-El Prat

Tue 3/31

9:15 am-11:49 pm

2 stops20h 34m

$863

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Fri 3/27

4:00 pm-1:10 pm

2 stops16h 10m

Barcelona-El Prat

Tue 3/31

8:00 am-6:20 pm

2 stops16h 20m

$895

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 4/18

4:48 pm-1:15 pm

1 stop14h 27m

Barcelona-El Prat

Sat 4/25

1:15 pm-9:27 pm

2 stops38h 12m

$896

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Sat 12/13

6:00 am-8:20 am

3 stops20h 20m

Barcelona-El Prat

Sat 12/20

6:45 am-11:22 pm

2 stops22h 37m

$1,166

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 1/1

10:19 am-5:35 pm

2 stops25h 16m

$511

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 1/1

5:45 am-7:15 am

1 stop19h 30m

$548

PortlandBarcelona

PWM - BCN

PWMBCN

Portland

Thu 1/1

6:00 am-12:05 pm

3 stops24h 05m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 $411). 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.

What is the cheapest time of day to fly from PWM to BCN?

Find hourly flight availability from Portland to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Portland, Maine to Barcelona in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Portland, Maine to Barcelona?

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 October 30, 2025.
Peruse reviews from past customers who have flown with United Airlines and American 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
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 2 different airlines.

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

    Departing from Portland, Maine to Barcelona will take you 11h 25m. 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 are the cheapest airlines flying from Portland, Maine to Barcelona round-trip?

    According to our current data, American Airlines ($637), and United Airlines ($637) offers the cheapest pricing from Portland, Maine to Barcelona. American Airlines is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland, Maine to Barcelona one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $511. KLM flights start at $548 while deals on Air Canada start at $733 one-way.

  • 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 $411). 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
Portland to Barcelona-El Prat flights
Boston to Costa Brava flights
Bangor to Barcelona-El Prat flights

Top 2 airlines flying from Portland to Barcelona

Discover the top 2 airlines 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$637Average$1,390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$637Average$1,203FlexibilityNo cancel feeOn-time69%

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