HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$799+ Cheap flights from Billings (BIL) to Barcelona-El Prat (BCN)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BCN
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Barcelona-El Prat 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Billings to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Barcelona-El Prat (BCN). 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 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$851
(United Airlines)
Provider with most accurate pricing for Billings Logan Intl-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Barcelona-El Prat flights.
Search Deals
From Billings Logan Intl to Barcelona-El Prat
Search Deals

Find flight deals from Billings to Barcelona-El Prat

Cheapest flights from Billings to Barcelona-El Prat
Explore the most affordable flight options available from Billings to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2025.

This United Airlines deal was found by Cheapflights users on 10/4. 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 10/1011:58 amBIL - BCN
1 stop17h 17mUnited Airlines
Tue 10/143:15 pmBCN - BIL
1 stop28h 01mUnited Airlines
Deal found 10/4$799
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Fri 10/101:54 pmBIL - BCN
2 stops18h 01mAmerican Airlines
Tue 10/147:45 amBCN - BIL
2 stops22h 08mAmerican Airlines
Deal found 10/4$821

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Barcelona-El Prat 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 6, 2025.
Use the filters below to find and compare flights from Billings to Barcelona-El Prat Airport that are best for you.

Fly from

Billings

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/27

2:40 pm-5:35 pm

2 stops19h 55m

Barcelona-El Prat

Tue 3/31

1:15 pm-10:41 pm

2 stops41h 26m

$851

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/27

2:40 pm-11:05 pm

2 stops25h 25m

Barcelona-El Prat

Tue 3/31

8:00 am-8:51 pm

2 stops20h 51m

$871

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/27

2:03 pm-7:50 pm

2 stops22h 47m

Barcelona-El Prat

Tue 3/31

10:45 am-8:50 pm

1 stop18h 05m

$1,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Compare providers for flights from Billings to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Barcelona-El Prat in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Billings 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.

Related info for your journey

Find useful and relevant information for your journey from Billings to Barcelona-El Prat. 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 Billings to Barcelona-El Prat?

    For a flight from Billings to Barcelona-El Prat, you will be flying from Billings Logan Intl. Billings Logan Intl (BIL) is just 2.7 mi from the center of the city. Billings Logan Intl is the only Billings airport and it handles 0 outbound flights to Barcelona-El Prat per day. 0 airlines have flights to Barcelona-El Prat from Billings Logan Intl on a regular basis.

  • How long is the flight from Billings to Barcelona-El Prat Airport?

    Airlines like United Airlines, Lufthansa, and American Airlines fly from Billings to Barcelona-El Prat Airport in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 5h 30m. The distance between Billings and Barcelona-El Prat Airport is about 5056 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Billings to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Billings to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Barcelona-El Prat.

  • Can I find deals for business class flights from Billings to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Billings to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Billings to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Barcelona-El Prat flights
Kalispell to Barcelona-El Prat flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.