$392+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BCN
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Barcelona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Barcelona
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Best
Last-minute
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Cheapest flights from Portland to BarcelonaExplore 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 August 27, 2026.
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 August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop20h 20m
Wed 12/91:35 pm -
2 stops37h 07m
Deal found 8/25![United Airlines logo]()
$697
This American Airlines deal was found by Cheapflights users on 8/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:07 am -
2 stops18h 28m
Wed 12/912:00 pm -
1 stop12h 17m
Deal found 8/23![American Airlines logo]()
$714
This Air France deal was found by Cheapflights users on 8/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:03 pm -
2 stops15h 57m
Thu 12/310:50 am -
2 stops19h 31m
Deal found 8/23![Air France logo]()
$726
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
2 stops23h 10m
Wed 12/21:10 pm -
2 stops32h 10m
Deal found 8/23![Delta logo]()
$727
This Air Canada deal was found by Cheapflights users on 8/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:50 am -
2 stops21h 45m
Thu 12/31:35 pm -
2 stops37h 07m
Deal found 8/23![Air Canada logo]()
$729
Best flights from Portland to BarcelonaDiscover carefully curated flight deals from Portland to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Portland to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
2 stops21h 00m
Wed 12/91:35 pm -
2 stops37h 07m
Deal found 8/25![United Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:49 pm -
2 stops13h 51m
Wed 12/910:50 am -
2 stops31h 07m
Deal found 8/23![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:03 pm -
2 stops14h 12m
Thu 12/310:35 am -
1 stop19h 46m
Deal found 8/23![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops21h 00m
Thu 12/310:50 am -
2 stops31h 07m
Deal found 8/23![Delta logo]()
$726
Last-minute flights from Portland to BarcelonaDiscover last-minute flight deals from Portland to Barcelona. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Barcelona. Data last updated August 27, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 8/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:53 pm -
2 stops17h 57m
Mon 8/3111:00 am -
1 stop18h 13m
Deal found 8/27![Multiple Airlines logo]()
$1,252
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 8/275:30 pm -
2 stops16h 55m
Mon 8/3111:00 am -
2 stops18h 30m
Deal found 8/27![Delta logo]()
$1,257
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 8/271:30 pm -
1 stop18h 05m
Mon 8/3110:30 am -
1 stop18h 18m
Deal found 8/27![American Airlines logo]()
$1,332
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 8/2710:45 am -
1 stop16h 15m
Mon 8/3111:15 am -
1 stop14h 09m
Deal found 8/27![United Airlines logo]()
$1,418
One-way flights from Portland to BarcelonaSearch for one-way flight options from Portland to Barcelona. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Portland to Barcelona. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:09 pm -
3 stops43h 01m
Deal found 8/26![Multiple Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/410:43 am -
1 stop16h 17m
Deal found 8/26![United Airlines logo]()
$463
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:03 am -
2 stops41h 57m
Deal found 8/26![Air Canada logo]()
$467
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:04 am -
2 stops20h 56m
Deal found 8/26![Delta logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:48 am -
2 stops26h 52m
Deal found 8/26![Multiple Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 10/17:58 am -
1 stop23h 17m
Deal found 8/26![United Airlines logo]()
$513
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:03 am -
3 stops17h 57m
Deal found 8/26![Air Canada logo]()
$525
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 10/75:15 am -
1 stop21h 05m
Deal found 8/26![United Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:01 am -
3 stops24h 54m
Deal found 8/26![Multiple Airlines logo]()
$711
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:03 am -
3 stops17h 57m
Deal found 8/26![Air Canada logo]()
$818
This AranGrant deal was found by Cheapflights users on 8/26. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:45 am -
2 stops40h 25m
Deal found 8/26![Austrian Airlines logo]()
$1,469
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 August 27, 2026.
Round-trip from | $697 (United Airlines) |
|---|---|
One-way from | $392 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 27, 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
Cheapest round-trip
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Sun 12/6
6:00 am-9:00 am
2 stops21h 00m
Barcelona-El Prat
Wed 12/9
1:35 pm-8:42 pm
2 stops37h 07m
$702
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Sun 12/6
12:49 pm-8:40 am
2 stops13h 51m
Barcelona-El Prat
Wed 12/9
10:50 am-11:57 am
2 stops31h 07m
$722
Quickest round-trip
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Tue 11/24
4:03 pm-12:15 pm
2 stops14h 12m
Barcelona-El Prat
Thu 12/3
10:35 am-12:21 am
1 stop19h 46m
$726
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Wed 11/25
6:00 am-9:00 am
2 stops21h 00m
Barcelona-El Prat
Thu 12/3
10:50 am-11:57 am
2 stops31h 07m
$726
Cheapest one-way
Quickest one-way
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Mon 10/5
5:08 pm-1:15 pm
1 stop14h 07m
$463
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Tue 10/6
5:15 am-8:20 am
1 stop21h 05m
$463
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Thu 10/15
8:03 am-9:00 am
1 stop18h 57m
$513
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Thu 10/1
7:58 am-1:15 pm
1 stop23h 17m
$513
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Thu 10/15
8:03 am-8:00 am
3 stops17h 57m
$525
PortlandBarcelona
PWM Portland - BCN Barcelona-El Prat
PWMBCN
Portland
Wed 10/7
5:15 am-8:20 am
1 stop21h 05m
$696
Showing 1-10 of 12 resultsSorted 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.
PWM-S37
PWM-BCN
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
PWM-S37
PWM-BCN
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 August 27, 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.
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Portland to Barcelona
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Complete your trip
Complete your trip to Barcelona by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Portland to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Barcelona flights
Browse other Portland and Barcelona flight options. Last updated on August 27, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$642 | Average$1,147 | FlexibilityNo cancel fee | On-time69% |