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Cheap flights from Billings to Barcelona from $566

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Barcelona departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Billings to Barcelona (BIL-BCN)

Cheap round-trip flights

United Airlines Logo
12:00 pm - 1:15 pmBIL-BCN
17h 15m1 stop
United Airlines Logo
1:15 pm - 8:49 pmBCN-BIL
39h 34m2 stops
$566United Airlines
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Tue, Sep 23 - Thu, Oct 2
American Airlines Logo
6:02 am - 10:30 amBIL-BCN
20h 28m1 stop
American Airlines Logo
10:45 am - 10:39 pmBCN-BIL
19h 54m1 stop
$583American Airlines
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Tue, Sep 23 - Thu, Oct 2
Logo
5:00 am - 7:50 amBIL-BCN
18h 50m3 stops
Logo
12:10 pm - 9:35 amBCN-BIL
29h 25m2 stops
$836
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Tue, Sep 23 - Thu, Oct 2
Logo
5:00 am - 7:50 amBIL-BCN
18h 50m3 stops
Logo
12:10 pm - 10:46 pmBCN-BIL
18h 36m2 stops
$914
Find Deal
Tue, Sep 23 - Thu, Oct 2

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Billings to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Tue 9/23

12:00 pm-1:15 pm

1 stop17h 15m

Barcelona-El Prat

Thu 10/2

1:15 pm-8:49 pm

2 stops39h 34m

$566

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Tue 9/23

6:02 am-10:30 am

1 stop20h 28m

Barcelona-El Prat

Thu 10/2

10:45 am-10:39 pm

1 stop19h 54m

$583

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Tue 9/23

5:00 am-7:50 am

3 stops18h 50m

Barcelona-El Prat

Thu 10/2

12:10 pm-9:35 am

2 stops29h 25m

$836

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Tue 9/23

5:00 am-7:50 am

3 stops18h 50m

Barcelona-El Prat

Thu 10/2

12:10 pm-10:46 pm

2 stops18h 36m

$914

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Billings to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to Barcelona-El Prat Airport (BIL to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Barcelona-El Prat Airport

Direct flights

None
There are no direct flights from Billings to Barcelona-El Prat Airport. There are no popular flight routes from Billings to Barcelona-El Prat Airport.
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  • How far is Billings Logan Intl to Barcelona-El Prat by plane?

    The distance between Billings Logan Intl and Barcelona-El Prat is about 5055.1 mi. By plane, this route typically takes 17h 15m.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Barcelona-El Prat Airport?

    Prices for flights from Billings Logan Intl Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Billings Logan Intl Airport to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billings Logan Intl Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Billings to Barcelona-El Prat Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Billings from Barcelona-El Prat Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Billings to Barcelona-El Prat Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
L'Hospitalet de Llobregat
Tarragona
Castelldefels
El Prat de Llobregat
Santa Susanna
Badalona
Cambrils
Calella
Pineda de Mar
Empuriabrava
Roses
Cadaques
Pals
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Barcelona?

Finding the right flight to Barcelona from Billings is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Barcelona quick and easy, saving you time and money.

Can I find flights from Billings to Barcelona with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Billings to Barcelona flights to just show those with flexible booking policies.

How can momondo help me find flights from Billings to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Billings.

I’m not ready to book a flight from Billings to Barcelona right now. Can momondo alert me if prices change?

Price alerts on flights to Barcelona from Billings are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Barcelona-El Prat Airport trip

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