$364 Cheap Flights from Guam (GUM) to Barcelona (BCN)

View $364 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Barcelona El Prat Airport (BCN)

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Cheap Flights from Guam to Barcelona (GUM-BCN)

Prices were available within the past 7 days and start at $364 for one-way flights and $1,215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Fri, Mar 6 - Mon, Mar 16
GUM
Guam
BCN
Barcelona
$1,215 Roundtrip, found 5 days ago
$1,215
Roundtrip
found 5 days ago
Select T'Way Air flight, departing Fri, Mar 6 from Guam to Barcelona, returning Mon, Mar 16, priced at $1,215 found 5 days ago
T'Way Air
Wed, Mar 4 - Mon, Mar 16
GUM
Guam
BCN
Barcelona
$1,265 Roundtrip, found 4 days ago
$1,265
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Mar 4 from Guam to Barcelona, returning Mon, Mar 16, priced at $1,265 found 4 days ago
T'Way Air
Wed, Mar 4 - Wed, Mar 18
GUM
Guam
BCN
Barcelona
$1,315 Roundtrip, found 4 days ago
$1,315
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Mar 4 from Guam to Barcelona, returning Wed, Mar 18, priced at $1,315 found 4 days ago
T'Way Air
Wed, Mar 4 - Sat, Mar 14
GUM
Guam
BCN
Barcelona
$1,365 Roundtrip, found 4 days ago
$1,365
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Mar 4 from Guam to Barcelona, returning Sat, Mar 14, priced at $1,365 found 4 days ago
T'Way Air
Fri, Mar 6 - Tue, Mar 17
GUM
Guam
BCN
Barcelona
$1,405 Roundtrip, found 5 days ago
$1,405
Roundtrip
found 5 days ago
Select T'Way Air flight, departing Fri, Mar 6 from Guam to Barcelona, returning Tue, Mar 17, priced at $1,405 found 5 days ago
T'Way Air
Thu, Mar 5 - Mon, Mar 16
GUM
Guam
BCN
Barcelona
$1,415 Roundtrip, found 5 days ago
$1,415
Roundtrip
found 5 days ago
Select T'Way Air flight, departing Thu, Mar 5 from Guam to Barcelona, returning Mon, Mar 16, priced at $1,415 found 5 days ago
T'Way Air
Wed, Mar 4 - Fri, Mar 13
GUM
Guam
BCN
Barcelona
$1,423 Roundtrip, found 4 days ago
$1,423
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Mar 4 from Guam to Barcelona, returning Fri, Mar 13, priced at $1,423 found 4 days ago
T'Way Air
Fri, Mar 6 - Fri, Mar 20
GUM
Guam
BCN
Barcelona
$1,430 Roundtrip, found 5 days ago
$1,430
Roundtrip
found 5 days ago
Select T'Way Air flight, departing Fri, Mar 6 from Guam to Barcelona, returning Fri, Mar 20, priced at $1,430 found 5 days ago
T'Way Air
Wed, Jan 28 - Mon, Feb 9
GUM
Guam
BCN
Barcelona
$1,438 Roundtrip, found 4 days ago
$1,438
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Jan 28 from Guam to Barcelona, returning Mon, Feb 9, priced at $1,438 found 4 days ago
T'Way Air
Wed, Mar 4 - Tue, Mar 17
GUM
Guam
BCN
Barcelona
$1,455 Roundtrip, found 4 days ago
$1,455
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Mar 4 from Guam to Barcelona, returning Tue, Mar 17, priced at $1,455 found 4 days ago

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN) cost?
Snag a cheap one-way flight from $364 or cheap return flight from $1,215 from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN)?
March is the least expensive month to fly from GUM to BCN. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN)?
To find the cheapest airline flying from GUM to BCN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN)?
Nonstop flights from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GUM to BCN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN)?
To reach Barcelona Intl. Airport (BCN) without delays, pick a flight that leaves from A.B. Won Pat Intl. Airport (GUM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN) last-minute?
Last-minute fares from GUM to BCN are usually more expensive. To lock in the best rates, start looking for flights well ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a GUM to BCN flight and hotel package?
Compared with arranging hotels and flights separately, booking a GUM to BCN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Barcelona Intl. Airport (BCN)?
If you reserved your GUM to BCN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
Barcelona Intl.
Roundtrip price
$1,215
Distance
7965 mi

Book with confidence

Guam to Barcelona Flights

The cheapest times to fly from Guam to Barcelona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Guam to Barcelona are during the month of March. You can find some of the cheapest flights from Guam to Barcelona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Guam to Barcelona

Sunday is one of the best days to book for cheap flights from Guam to Barcelona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Guam to Barcelona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Guam to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $364 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Guam to Barcelona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Guam to Barcelona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Guam to Barcelona Flights

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*Available to One Key members.