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Cheap flights from Montana to Lisbon from $391

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 Lisbon departing on 4/14. 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 Montana to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:05 pm - 8:10 am
BZN
-
LIS
13h 05m1 stop
United Airlines Logo
10:55 am - 9:33 pm
LIS
-
BZN
41h 38m2 stops
$490United Airlines
Fri, Jan 23 - Fri, Feb 6
United Airlines Logo
4:16 pm - 8:55 am
BZN
-
LIS
33h 39m2 stops
United Airlines Logo
10:55 am - 9:33 pm
LIS
-
BZN
41h 38m2 stops
$493United Airlines
Fri, Jan 23 - Fri, Feb 6
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m2 stops
United Airlines Logo
11:20 am - 9:57 pm
LIS
-
MSO
40h 37m2 stops
$493United Airlines
Tue, Feb 24 - Mon, Mar 9
United Airlines Logo
6:15 am - 10:15 am
MSO
-
LIS
21h 00m2 stops
United Airlines Logo
5:00 am - 9:57 pm
LIS
-
MSO
23h 57m2 stops
$494United Airlines
Thu, Feb 26 - Sat, Mar 7
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m2 stops
United Airlines Logo
5:00 am - 9:57 pm
LIS
-
MSO
23h 57m2 stops
$497United Airlines
Tue, Feb 24 - Fri, Mar 6
United Airlines Logo
6:00 am - 8:10 am
MSO
-
LIS
19h 10m2 stops
United Airlines Logo
5:00 am - 1:35 pm
LIS
-
MSO
39h 35m2 stops
$499United Airlines
Fri, Jan 23 - Tue, Jan 27
Delta Logo
1:16 pm - 3:10 pm
MSO
-
LIS
42h 54m2 stops
Delta Logo
5:00 am - 8:02 pm
LIS
-
MSO
21h 02m2 stops
$501Delta
Sat, Feb 28 - Mon, Mar 9
Multiple Airlines Logo
7:23 am - 3:10 pm
BZN
-
LIS
24h 47m2 stops
Multiple Airlines Logo
3:30 pm - 5:50 pm
LIS
-
BZN
33h 20m2 stops
$501Multiple Airlines
Thu, Jan 22 - Sun, Feb 1
Delta Logo
7:30 am - 10:35 am
MSO
-
LIS
20h 05m2 stops
Delta Logo
11:25 am - 12:19 am
LIS
-
MSO
42h 54m2 stops
$507Delta
Thu, Feb 26 - Sun, Mar 8
Delta Logo
1:16 pm - 8:00 am
MSO
-
LIS
35h 44m2 stops
Delta Logo
11:25 am - 12:19 am
LIS
-
MSO
42h 54m2 stops
$512Delta
Fri, Feb 27 - Sun, Mar 8

United Airlines flights from Montana to Lisbon

Our best United Airlines deals on Montana to Lisbon flight tickets
United Airlines
Jan 23
BZN12:05 pmBozeman Gallatin Field
13h 05m
1 stop
LIS8:10 amLisbon Humberto Delgado
Feb 6
LIS10:55 amLisbon Humberto Delgado
41h 38m
2 stops
BZN9:33 pmBozeman Gallatin Field
$490
Find similar
United Airlines
Jan 23
BZN4:16 pmBozeman Gallatin Field
33h 39m
2 stops
LIS8:55 amLisbon Humberto Delgado
Feb 6
LIS10:55 amLisbon Humberto Delgado
41h 38m
2 stops
BZN9:33 pmBozeman Gallatin Field
$493
Find similar
United Airlines
Feb 26
MSO6:15 amMissoula Johnson-Bell Field
21h 00m
2 stops
LIS10:15 amLisbon Humberto Delgado
Mar 9
LIS11:20 amLisbon Humberto Delgado
40h 37m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$494
Find similar

Delta flights from Montana to Lisbon

Our best Delta deals on Montana to Lisbon flight tickets
Delta
Feb 28
MSO1:16 pmMissoula Johnson-Bell Field
42h 54m
2 stops
LIS3:10 pmLisbon Humberto Delgado
Mar 9
LIS5:00 amLisbon Humberto Delgado
21h 02m
2 stops
MSO8:02 pmMissoula Johnson-Bell Field
$501
Find similar
Delta
Feb 26
MSO7:30 amMissoula Johnson-Bell Field
20h 05m
2 stops
LIS10:35 amLisbon Humberto Delgado
Mar 8
LIS11:25 amLisbon Humberto Delgado
42h 54m
2 stops
MSO12:19 amMissoula Johnson-Bell Field
$507
Find similar
Delta
Feb 27
MSO1:16 pmMissoula Johnson-Bell Field
35h 44m
2 stops
LIS8:00 amLisbon Humberto Delgado
Mar 8
LIS11:25 amLisbon Humberto Delgado
42h 54m
2 stops
MSO12:19 amMissoula Johnson-Bell Field
$512
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Lisbon 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 22, 2025.
Use the filters below to find and compare flights from Montana to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Fri 1/23

12:05 pm-8:10 am

1 stop13h 05m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-9:33 pm

2 stops41h 38m

$490

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Fri 1/23

4:16 pm-8:55 am

2 stops33h 39m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-9:33 pm

2 stops41h 38m

$493

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Mon 3/9

11:20 am-9:57 pm

2 stops40h 37m

$493

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Thu 2/26

6:15 am-10:15 am

2 stops21h 00m

Lisbon Humberto Delgado

Sat 3/7

5:00 am-9:57 pm

2 stops23h 57m

$494

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Fri 3/6

5:00 am-9:57 pm

2 stops23h 57m

$497

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 1/23

6:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-1:35 pm

2 stops39h 35m

$499

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sat 2/28

1:16 pm-3:10 pm

2 stops42h 54m

Lisbon Humberto Delgado

Mon 3/9

5:00 am-8:02 pm

2 stops21h 02m

$501

BozemanLisbon

BZN - LIS

BZNLIS

Bozeman Gallatin Field

Thu 1/22

7:23 am-3:10 pm

2 stops24h 47m

Lisbon Humberto Delgado

Sun 2/1

3:30 pm-5:50 pm

2 stops33h 20m

$501

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Thu 2/26

7:30 am-10:35 am

2 stops20h 05m

Lisbon Humberto Delgado

Sun 3/8

11:25 am-12:19 am

2 stops42h 54m

$507

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 2/27

1:16 pm-8:00 am

2 stops35h 44m

Lisbon Humberto Delgado

Sun 3/8

11:25 am-12:19 am

2 stops42h 54m

$512

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

How to get the cheapest flight ticket from Montana to Lisbon

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 day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $759. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Lisbon for around $1,211.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is at noon when flights can be purchased for as low as $957. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,188 on average. Flights to Lisbon from Montana in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Montana to Lisbon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Lisbon

Fastest flight time

16h 40m

Direct flights

None
The fastest flight from Montana to Lisbon takes 16h 40m
There are no direct flights from Montana to Lisbon. There are no popular flight routes from Montana to Lisbon.
Search flight deals

  • When did momondo last update prices for flights from Montana to Lisbon Humberto Delgado Airport?

    Prices for flights from Montana to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Montana to Lisbon Humberto Delgado 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 Montana to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montana to Lisbon

Compare and see reviews for airlines that fly from Montana to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $499Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights
DeltaPriceFrom $618Free CancellationRating
7.9
8,014 reviews
Search Delta flights
KLMPriceFrom $745Free CancellationRating
7.7
1,434 reviews
Search KLM flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Oeiras
Setúbal
Peniche
Estoril
Leiria
Sesimbra
Tomar
Almada
Evora
Figueira da Foz
Zambujeira do Mar
Batalha
Comporta
Torres Vedras
Sines
Óbidos

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to Lisbon. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montana to Lisbon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lisbon from Montana with this policy.

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

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 Lisbon from Montana.

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

Of course. momondo tracks the price of Montana to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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