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Cheap flights from Boise to Lisbon from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Lisbon departing on 2/25. 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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0 bags

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Find the cheapest flights from Boise to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:41 am - 5:50 pm
BOI
-
LIS
24h 09m
2 stops
Delta Logo
5:00 am - 11:00 pm
LIS
-
BOI
25h 00m
2 stops
$502Delta
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
5:51 am - 11:25 pm
BOI
-
LIS
34h 34m
2 stops
Multiple Airlines Logo
4:35 pm - 10:54 pm
LIS
-
BOI
37h 19m
2 stops
$505Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Scandinavian Airlines Logo
6:00 am - 8:00 am
BOI
-
LIS
20h 00m
2 stops
Scandinavian Airlines Logo
10:00 am - 10:11 pm
LIS
-
BOI
18h 11m
2 stops
$511Scandinavian Airlines
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
6:55 pm - 10:15 am
BOI
-
LIS
32h 20m
2 stops
United Airlines Logo
5:00 am - 11:57 pm
LIS
-
BOI
24h 57m
2 stops
$552United Airlines
Mon, Mar 2 - Wed, Mar 18
KLM Logo
10:45 am - 9:00 am
BOI
-
LIS
15h 15m
2 stops
KLM Logo
5:00 am - 9:01 pm
LIS
-
BOI
22h 01m
2 stops
$555KLM
Mon, Mar 2 - Wed, Mar 18
United Airlines Logo
6:55 pm - 10:15 am
BOI
-
LIS
32h 20m
3 stops
United Airlines Logo
11:55 am - 11:57 pm
LIS
-
BOI
42h 02m
2 stops
$564United Airlines
Mon, Mar 2 - Wed, Mar 18
Multiple Airlines Logo
1:51 pm - 11:25 pm
BOI
-
LIS
26h 34m
2 stops
Multiple Airlines Logo
6:35 am - 10:54 pm
LIS
-
BOI
23h 19m
2 stops
$589Multiple Airlines
Wed, Apr 22 - Wed, May 13
Multiple Airlines Logo
7:05 am - 9:00 am
BOI
-
LIS
19h 55m
2 stops
Multiple Airlines Logo
10:00 am - 11:59 pm
LIS
-
BOI
19h 59m
2 stops
$601Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
6:15 am - 8:10 am
BOI
-
LIS
19h 55m
2 stops
United Airlines Logo
11:55 am - 9:29 pm
LIS
-
BOI
39h 34m
2 stops
$613United Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
5:31 pm - 11:30 pm
BOI
-
LIS
23h 59m
2 stops
United Airlines Logo
11:20 am - 9:29 pm
LIS
-
BOI
40h 09m
2 stops
$616United Airlines
Sun, Mar 8 - Mon, Mar 16

United Airlines flights from Boise to Lisbon

Our best United Airlines deals on Boise to Lisbon flight tickets
United Airlines
Mar 2
BOI6:55 pmBoise Air Term. Gowen Fld
32h 20m
2 stops
LIS10:15 amLisbon Humberto Delgado
Mar 18
LIS5:00 amLisbon Humberto Delgado
24h 57m
2 stops
BOI11:57 pmBoise Air Term. Gowen Fld
$552
United Airlines
Mar 2
BOI6:55 pmBoise Air Term. Gowen Fld
32h 20m
3 stops
LIS10:15 amLisbon Humberto Delgado
Mar 18
LIS11:55 amLisbon Humberto Delgado
42h 02m
2 stops
BOI11:57 pmBoise Air Term. Gowen Fld
$564
United Airlines
Mar 17
BOI6:15 amBoise Air Term. Gowen Fld
19h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Mar 24
LIS11:55 amLisbon Humberto Delgado
39h 34m
2 stops
BOI9:29 pmBoise Air Term. Gowen Fld
$613

Finnair flights from Boise to Lisbon

Our best Finnair deals on Boise to Lisbon flight tickets
Finnair
Mar 2
BOI7:00 amBoise Air Term. Gowen Fld
25h 25m
2 stops
LIS3:25 pmLisbon Humberto Delgado
Mar 18
LIS4:10 pmLisbon Humberto Delgado
36h 13m
2 stops
BOI10:23 pmBoise Air Term. Gowen Fld
$783
Finnair
Aug 2
BOI2:58 pmBoise Air Term. Gowen Fld
25h 27m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Aug 8
LIS6:55 pmLisbon Humberto Delgado
33h 45m
2 stops
BOI9:40 pmBoise Air Term. Gowen Fld
$1,253

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 February 14, 2026.
Use the filters below to find and compare flights from Boise to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/14

10:41 am-5:50 pm

2 stops24h 09m

Lisbon Humberto Delgado

Tue 4/28

5:00 am-11:00 pm

2 stops25h 00m

$502

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/14

5:51 am-11:25 pm

2 stops34h 34m

Lisbon Humberto Delgado

Tue 4/28

4:35 pm-10:54 pm

2 stops37h 19m

$505

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 3/17

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Wed 3/25

10:00 am-10:11 pm

2 stops18h 11m

$511

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 3/2

6:55 pm-10:15 am

2 stops32h 20m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-11:57 pm

2 stops24h 57m

$552

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 3/2

10:45 am-9:00 am

2 stops15h 15m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-9:01 pm

2 stops22h 01m

$555

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 3/2

6:55 pm-10:15 am

3 stops32h 20m

Lisbon Humberto Delgado

Wed 3/18

11:55 am-11:57 pm

2 stops42h 02m

$564

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

1:51 pm-11:25 pm

2 stops26h 34m

Lisbon Humberto Delgado

Wed 5/13

6:35 am-10:54 pm

2 stops23h 19m

$589

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 3/17

7:05 am-9:00 am

2 stops19h 55m

Lisbon Humberto Delgado

Wed 3/25

10:00 am-11:59 pm

2 stops19h 59m

$601

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 3/17

6:15 am-8:10 am

2 stops19h 55m

Lisbon Humberto Delgado

Tue 3/24

11:55 am-9:29 pm

2 stops39h 34m

$613

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 3/8

5:31 pm-11:30 pm

2 stops23h 59m

Lisbon Humberto Delgado

Mon 3/16

11:20 am-9:29 pm

2 stops40h 09m

$616

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 Boise 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 airline that flies from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado?

United Airlines is the most popular carrier operating from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado

What airlines fly to Lisbon?

United Airlines, Delta and Air Canada are the top three most popular airlines that fly to Lisbon from Boise according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 3 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

When to book flights from Boise to Lisbon

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

Cheap Boise to Lisbon (BOI to LIS) flight deals and tips

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

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from Boise to Lisbon takes 16h 45m
There are no direct flights from Boise to Lisbon. There are no popular flight routes from Boise to Lisbon.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Lisbon Humberto Delgado by plane?

    The distance between Boise Air Term. Gowen Fld and Lisbon Humberto Delgado is about 5150.4 mi. In terms of flight time, this usually takes a little over 16h 45m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport 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.

  • What is the most popular airline from Boise to Lisbon?

Best airlines flying from Boise to Lisbon

Compare and see reviews for airlines that fly from Boise to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $549Free CancellationRating
7.9
8,200 reviews
Search Delta flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
Air CanadaPriceFrom $602Free CancellationRating
7.1
10,717 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

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

Why use momondo?

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

It is quick and easy to find Boise to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

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

All flight searches from Boise to Lisbon on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Boise to Lisbon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Lisbon from Boise. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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