Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Montana to Barcelona from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Barcelona departing on 12/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:40 pm - 9:35 amBZN  Bozeman Gallatin Field-BCN Barcelona-El Prat
33h 55m3 stops San Francisco Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 1:06 pmBCN  Barcelona-El Prat-BZN Bozeman Gallatin Field
31h 31m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$752United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
11:30 am - 9:35 amBZN  Bozeman Gallatin Field-BCN Barcelona-El Prat
38h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 12:41 pmBCN  Barcelona-El Prat-BZN Bozeman Gallatin Field
31h 06m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$752United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
11:30 am - 9:35 amBZN  Bozeman Gallatin Field-BCN Barcelona-El Prat
38h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 11:33 amBCN  Barcelona-El Prat-BZN Bozeman Gallatin Field
29h 58m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$752United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
2:37 pm - 9:35 amBZN  Bozeman Gallatin Field-BCN Barcelona-El Prat
34h 58m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 12:41 pmBCN  Barcelona-El Prat-BZN Bozeman Gallatin Field
31h 06m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$752United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
2:37 pm - 9:35 amBZN  Bozeman Gallatin Field-BCN Barcelona-El Prat
34h 58m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 11:33 amBCN  Barcelona-El Prat-BZN Bozeman Gallatin Field
29h 58m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$752United Airlines
Mon, Jan 11 - Fri, Jan 15
Delta Logo
6:15 am - 5:00 pmBIL  Billings Logan Intl-BCN Barcelona-El Prat
26h 45m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
6:00 am - 7:48 pmBCN  Barcelona-El Prat-BIL Billings Logan Intl
21h 48m2 stops Amsterdam Schiphol Minneapolis St Paul
$778Delta
Mon, Jan 11 - Tue, Jan 19
United Airlines Logo
7:00 am - 5:35 pmBIL  Billings Logan Intl-BCN Barcelona-El Prat
26h 35m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
5:55 am - 8:51 pmBCN  Barcelona-El Prat-BIL Billings Logan Intl
22h 56m2 stops Frankfurt am Main Denver Intl
$780United Airlines
Mon, Jan 11 - Tue, Jan 19
United Airlines Logo
7:00 am - 5:35 pmBIL  Billings Logan Intl-BCN Barcelona-El Prat
26h 35m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
11:00 am - 1:13 pmBCN  Barcelona-El Prat-BIL Billings Logan Intl
34h 13m3 stops Newark Los Angeles Denver Intl
$781United Airlines
Mon, Jan 11 - Tue, Jan 19
United Airlines Logo
2:40 pm - 5:35 pmBIL  Billings Logan Intl-BCN Barcelona-El Prat
18h 55m3 stops Denver Intl Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
5:55 am - 8:51 pmBCN  Barcelona-El Prat-BIL Billings Logan Intl
22h 56m3 stops Frankfurt am Main Detroit Metropolitan Wayne County Denver Intl
$785United Airlines
Mon, Jan 11 - Tue, Jan 19
Air Canada Logo
4:13 pm - 9:35 amBIL  Billings Logan Intl-BCN Barcelona-El Prat
33h 22m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:55 am - 8:51 pmBCN  Barcelona-El Prat-BIL Billings Logan Intl
22h 56m3 stops Frankfurt am Main Toronto Pearson Intl Denver Intl
$799Air Canada
Mon, Jan 11 - Tue, Jan 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Montana to Barcelona-El Prat Airport

Our best Delta deals on Montana to Barcelona-El Prat Airport flight tickets
Delta
Jan 11
BIL6:15 amBillings Logan Intl
26h 45m
2 stops
BCN5:00 pmBarcelona-El Prat
Jan 19
BCN6:00 amBarcelona-El Prat
21h 48m
2 stops
BIL7:48 pmBillings Logan Intl
$778
Delta
Sep 29
BZN8:25 amBozeman Gallatin Field
18h 45m
1 stop
BCN11:10 amBarcelona-El Prat
Oct 6
BCN6:20 amBarcelona-El Prat
24h 17m
2 stops
BZN10:37 pmBozeman Gallatin Field
$808

Air Canada flights from Montana to Barcelona-El Prat Airport

Our best Air Canada deals on Montana to Barcelona-El Prat Airport flight tickets
Air Canada
Jan 11
BIL4:13 pmBillings Logan Intl
33h 22m
3 stops
BCN9:35 amBarcelona-El Prat
Jan 19
BCN5:55 amBarcelona-El Prat
22h 56m
3 stops
BIL8:51 pmBillings Logan Intl
$799
Air Canada
Sep 24
BIL7:00 amBillings Logan Intl
17h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 1
BCN1:15 pmBarcelona-El Prat
28h 31m
2 stops
BIL9:46 amBillings Logan Intl
$842
Air Canada
Sep 8
BIL5:00 amBillings Logan Intl
20h 20m
2 stops
BCN9:20 amBarcelona-El Prat
Sep 18
BCN12:15 pmBarcelona-El Prat
40h 45m
2 stops
BIL9:00 pmBillings Logan Intl
$996

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 16, 2026.
Use the filters below to find and compare flights from Montana to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanBarcelona

BZN Bozeman Gallatin Field - BCN Barcelona-El Prat

BZNBCN

Bozeman Gallatin Field

Mon 1/11

3:40 pm-9:35 am

3 stops33h 55m

Barcelona-El Prat

Fri 1/15

1:35 pm-1:06 pm

2 stops31h 31m

$752

BozemanBarcelona

BZN Bozeman Gallatin Field - BCN Barcelona-El Prat

BZNBCN

Bozeman Gallatin Field

Mon 1/11

11:30 am-9:35 am

2 stops38h 05m

Barcelona-El Prat

Fri 1/15

1:35 pm-12:41 pm

2 stops31h 06m

$752

BozemanBarcelona

BZN Bozeman Gallatin Field - BCN Barcelona-El Prat

BZNBCN

Bozeman Gallatin Field

Mon 1/11

11:30 am-9:35 am

2 stops38h 05m

Barcelona-El Prat

Fri 1/15

1:35 pm-11:33 am

2 stops29h 58m

$752

BozemanBarcelona

BZN Bozeman Gallatin Field - BCN Barcelona-El Prat

BZNBCN

Bozeman Gallatin Field

Mon 1/11

2:37 pm-9:35 am

3 stops34h 58m

Barcelona-El Prat

Fri 1/15

1:35 pm-12:41 pm

2 stops31h 06m

$752

BozemanBarcelona

BZN Bozeman Gallatin Field - BCN Barcelona-El Prat

BZNBCN

Bozeman Gallatin Field

Mon 1/11

2:37 pm-9:35 am

3 stops34h 58m

Barcelona-El Prat

Fri 1/15

1:35 pm-11:33 am

2 stops29h 58m

$752

BillingsBarcelona

BIL Billings Logan Intl - BCN Barcelona-El Prat

BILBCN

Billings Logan Intl

Mon 1/11

6:15 am-5:00 pm

2 stops26h 45m

Barcelona-El Prat

Tue 1/19

6:00 am-7:48 pm

2 stops21h 48m

$778

BillingsBarcelona

BIL Billings Logan Intl - BCN Barcelona-El Prat

BILBCN

Billings Logan Intl

Mon 1/11

7:00 am-5:35 pm

2 stops26h 35m

Barcelona-El Prat

Tue 1/19

5:55 am-8:51 pm

2 stops22h 56m

$780

BillingsBarcelona

BIL Billings Logan Intl - BCN Barcelona-El Prat

BILBCN

Billings Logan Intl

Mon 1/11

7:00 am-5:35 pm

2 stops26h 35m

Barcelona-El Prat

Tue 1/19

11:00 am-1:13 pm

3 stops34h 13m

$781
Quickest round-trip

BillingsBarcelona

BIL Billings Logan Intl - BCN Barcelona-El Prat

BILBCN

Billings Logan Intl

Mon 1/11

2:40 pm-5:35 pm

3 stops18h 55m

Barcelona-El Prat

Tue 1/19

5:55 am-8:51 pm

3 stops22h 56m

$785

BillingsBarcelona

BIL Billings Logan Intl - BCN Barcelona-El Prat

BILBCN

Billings Logan Intl

Mon 1/11

4:13 pm-9:35 am

3 stops33h 22m

Barcelona-El Prat

Tue 1/19

5:55 am-8:51 pm

3 stops22h 56m

$799

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Barcelona from

How to get the cheapest flight ticket from Montana to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Montana is in March. Flight prices, which tend to average around $591, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Barcelona-El Prat Airport from Montana during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in March, still average around $594.

Can stopping save me money on Montana to Barcelona-El Prat Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a Montana to Barcelona-El Prat Airport flight.

Cheap Montana to Barcelona-El Prat Airport flight deals and tips

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

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Montana to Barcelona-El Prat Airport takes 15h 45m
There are no direct flights from Montana to Barcelona-El Prat Airport. There are no popular flight routes from Montana to Barcelona-El Prat Airport.
Search flight deals

Frequently asked questions about flying from Montana to Barcelona-El Prat Airport

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

    Prices for flights from Montana to Barcelona-El Prat Airport are updated daily.

  • How many operators does momondo search for flights from Montana to Barcelona-El Prat Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana 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.

Best airlines flying from Montana to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Montana to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $490Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $735Free CancellationRating
7.1
11,950 reviews
Search American Airlines flights

Traveling to a place near Barcelona?

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

Why use momondo?

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

Finding the right flight to Barcelona from Montana 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 Montana to Barcelona with flexible booking policies on momondo?

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

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

Once all potential Montana to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Montana to Barcelona flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/15
Tue 9/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Barcelona

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo
Flights to Girona Costa Brava Airport