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Cheap flights from Billings to Barcelona from $491

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 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:52 am - 9:35 am
BIL
-
BCN
38h 43m2 stops
United Airlines Logo
1:35 pm - 1:24 pm
BCN
-
BIL
31h 49m2 stops
$491United Airlines
Thu, Feb 5 - Mon, Feb 9
United Airlines Logo
6:30 am - 9:00 am
BIL
-
BCN
18h 30m2 stops
United Airlines Logo
1:35 pm - 1:24 pm
BCN
-
BIL
31h 49m2 stops
$492United Airlines
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
11:47 am - 7:20 pm
BIL
-
BCN
23h 33m2 stops
Multiple Airlines Logo
6:00 am - 7:24 pm
BCN
-
BIL
21h 24m2 stops
$494Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
United Airlines Logo
10:52 am - 1:00 pm
BIL
-
BCN
18h 08m3 stops
United Airlines Logo
6:50 am - 9:23 pm
BCN
-
BIL
22h 33m3 stops
$612United Airlines
Sun, Jan 25 - Sun, Feb 1
United Airlines Logo
6:30 am - 8:20 am
BIL
-
BCN
42h 50m2 stops
United Airlines Logo
10:30 am - 1:23 pm
BCN
-
BIL
33h 53m3 stops
$694United Airlines
Sat, Mar 14 - Mon, Mar 23
United Airlines Logo
6:30 am - 5:35 pm
BIL
-
BCN
28h 05m2 stops
United Airlines Logo
10:30 am - 1:23 pm
BCN
-
BIL
33h 53m3 stops
$696United Airlines
Mon, Mar 16 - Mon, Mar 23
United Airlines Logo
6:30 am - 7:50 pm
BIL
-
BCN
30h 20m2 stops
United Airlines Logo
10:30 am - 1:23 pm
BCN
-
BIL
33h 53m2 stops
$708United Airlines
Wed, Mar 18 - Mon, Mar 23
Delta Logo
5:15 am - 5:05 pm
BIL
-
BCN
28h 50m2 stops
Delta Logo
9:15 am - 10:29 pm
BCN
-
BIL
20h 14m2 stops
$717Delta
Fri, Mar 13 - Wed, Mar 18
Delta Logo
5:15 am - 5:05 pm
BIL
-
BCN
28h 50m2 stops
Delta Logo
1:00 pm - 10:29 pm
BCN
-
BIL
40h 29m2 stops
$719Delta
Fri, Mar 13 - Tue, Mar 17
Delta Logo
5:15 am - 5:05 pm
BIL
-
BCN
28h 50m2 stops
Delta Logo
9:15 am - 8:20 pm
BCN
-
BIL
42h 05m2 stops
$728Delta
Fri, Mar 13 - Thu, Mar 19

United Airlines flights from Billings to Barcelona-El Prat Airport

Our best United Airlines deals on Billings to Barcelona-El Prat Airport flight tickets
United Airlines
Feb 5
BIL10:52 amBillings Logan Intl
38h 43m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 9
BCN1:35 pmBarcelona-El Prat
31h 49m
2 stops
BIL1:24 pmBillings Logan Intl
$491
Find similar
United Airlines
Feb 5
BIL6:30 amBillings Logan Intl
18h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 9
BCN1:35 pmBarcelona-El Prat
31h 49m
2 stops
BIL1:24 pmBillings Logan Intl
$492
Find similar
United Airlines
Jan 25
BIL10:52 amBillings Logan Intl
18h 08m
3 stops
BCN1:00 pmBarcelona-El Prat
Feb 1
BCN6:50 amBarcelona-El Prat
22h 33m
3 stops
BIL9:23 pmBillings Logan Intl
$612
Find similar

Air Canada flights from Billings to Barcelona-El Prat Airport

Our best Air Canada deals on Billings to Barcelona-El Prat Airport flight tickets
Air Canada
Mar 16
BIL6:30 amBillings Logan Intl
19h 05m
3 stops
BCN8:35 amBarcelona-El Prat
Mar 20
BCN12:35 pmBarcelona-El Prat
31h 48m
3 stops
BIL1:23 pmBillings Logan Intl
$1,424
Find similar
Air Canada
Apr 22
BIL7:00 amBillings Logan Intl
18h 20m
3 stops
BCN9:20 amBarcelona-El Prat
May 6
BCN12:15 pmBarcelona-El Prat
32h 58m
3 stops
BIL1:13 pmBillings Logan Intl
$4,220
Find similar
Air Canada
Apr 22
BIL7:00 amBillings Logan Intl
18h 20m
3 stops
BCN9:20 amBarcelona-El Prat
May 6
BCN12:05 pmBarcelona-El Prat
29h 46m
3 stops
BIL9:51 amBillings Logan Intl
$4,236
Find similar

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 December 11, 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

Thu 2/5

10:52 am-9:35 am

2 stops38h 43m

Barcelona-El Prat

Mon 2/9

1:35 pm-1:24 pm

2 stops31h 49m

$491

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Thu 2/5

6:30 am-9:00 am

2 stops18h 30m

Barcelona-El Prat

Mon 2/9

1:35 pm-1:24 pm

2 stops31h 49m

$492

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Sun 1/25

11:47 am-7:20 pm

2 stops23h 33m

Barcelona-El Prat

Sun 2/1

6:00 am-7:24 pm

2 stops21h 24m

$494

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Sun 1/25

10:52 am-1:00 pm

3 stops18h 08m

Barcelona-El Prat

Sun 2/1

6:50 am-9:23 pm

3 stops22h 33m

$612

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Sat 3/14

6:30 am-8:20 am

2 stops42h 50m

Barcelona-El Prat

Mon 3/23

10:30 am-1:23 pm

3 stops33h 53m

$694

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Mon 3/16

6:30 am-5:35 pm

2 stops28h 05m

Barcelona-El Prat

Mon 3/23

10:30 am-1:23 pm

3 stops33h 53m

$696

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Wed 3/18

6:30 am-7:50 pm

2 stops30h 20m

Barcelona-El Prat

Mon 3/23

10:30 am-1:23 pm

2 stops33h 53m

$708

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/13

5:15 am-5:05 pm

2 stops28h 50m

Barcelona-El Prat

Wed 3/18

9:15 am-10:29 pm

2 stops20h 14m

$717

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/13

5:15 am-5:05 pm

2 stops28h 50m

Barcelona-El Prat

Tue 3/17

1:00 pm-10:29 pm

2 stops40h 29m

$719

BillingsBarcelona

BIL - BCN

BILBCN

Billings Logan Intl

Fri 3/13

5:15 am-5:05 pm

2 stops28h 50m

Barcelona-El Prat

Thu 3/19

9:15 am-8:20 pm

2 stops42h 05m

$728

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

Fastest flight time

18h 30m

Direct flights

None
The fastest flight from Billings to Barcelona-El Prat Airport takes 18h 30m
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.
Search flight deals

  • 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 18h 30m.

  • 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
El Prat de Llobregat
Castelldefels
L'Hospitalet de Llobregat
Tarragona
Santa Susanna
Cambrils
Cadaques
Empuriabrava
Calella
Pineda de Mar
Roses
Badalona
Pals
Palafrugell
Tortosa
La Pineda

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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