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 52% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 4 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport is 4 as of August 2025.

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.

$392 Cheap Flights from Boise to Lisbon in 2025

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Find the cheapest flights from Boise to Lisbon

Round-trip

One-way

Cheap round-trip flights

7:00 am - 4:05 pmBOI-LIS

26h 05m2 stops

4:45 pm - 10:27 pmLIS-BOI

36h 42m2 stops

$623Iberia

Find Deal

Sun, Oct 19 - Mon, Nov 3

5:20 pm - 9:20 amBOI-LIS

58h 00m2 stops

11:20 am - 9:59 amLIS-BOI

29h 39m2 stops

$648Air Canada

Find Deal

Sat, Nov 1 - Sat, Dec 13

7:00 am - 11:05 pmBOI-LIS

33h 05m2 stops

4:10 pm - 10:27 pmLIS-BOI

37h 17m2 stops

$654Finnair

Find Deal

Sun, Oct 19 - Mon, Nov 3

5:39 pm - 10:30 amBOI-LIS

33h 51m2 stops

10:15 am - 10:58 amLIS-BOI

30h 43m2 stops

$673United Airlines

Find Deal

Sat, Oct 18 - Sat, Nov 1

12:35 pm - 8:20 amBOI-LIS

36h 45m3 stops

10:15 am - 10:58 amLIS-BOI

30h 43m2 stops

$728United Airlines

Find Deal

Sat, Oct 18 - Sat, Nov 1

9:45 am - 10:30 amBOI-LIS

17h 45m2 stops

11:55 am - 1:44 pmLIS-BOI

31h 49m3 stops

$738United Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

8:00 am - 9:05 amBOI-LIS

18h 05m2 stops

11:05 am - 11:22 pmLIS-BOI

19h 17m2 stops

$825

Find Deal

Tue, Oct 7 - Wed, Oct 15

7:45 am - 9:20 amBOI-LIS

18h 35m2 stops

5:05 am - 9:24 pmLIS-BOI

23h 19m2 stops

$850

Find Deal

Wed, Oct 8 - Wed, Oct 22

7:00 am - 11:00 pmBOI-LIS

33h 00m2 stops

4:30 pm - 10:24 pmLIS-BOI

36h 54m2 stops

$892Finnair

Find Deal

Tue, Oct 7 - Wed, Oct 15

11:41 am - 10:10 pmBOI-LIS

27h 29m3 stops

7:15 am - 8:16 pmLIS-BOI

20h 01m2 stops

$1,284Scandinavian Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 22

Finnair flights from Boise to Lisbon

Our best Finnair deals on Boise to Lisbon flight tickets

Finnair

Oct 19

BOI7:00 amBoise Air Term. Gowen Fld

33h 05m

2 stops

LIS11:05 pmLisbon Humberto Delgado

Nov 3

LIS4:10 pmLisbon Humberto Delgado

37h 17m

2 stops

BOI10:27 pmBoise Air Term. Gowen Fld

$654

Find similar

Finnair

Oct 7

BOI7:00 amBoise Air Term. Gowen Fld

33h 00m

2 stops

LIS11:00 pmLisbon Humberto Delgado

Oct 15

LIS4:30 pmLisbon Humberto Delgado

36h 54m

2 stops

BOI10:24 pmBoise Air Term. Gowen Fld

$892

Find similar

Finnair

Sep 26

BOI7:00 amBoise Air Term. Gowen Fld

33h 10m

2 stops

LIS11:10 pmLisbon Humberto Delgado

Oct 5

LIS4:30 pmLisbon Humberto Delgado

36h 54m

2 stops

BOI10:24 pmBoise Air Term. Gowen Fld

$980

Find similar

United Airlines flights from Boise to Lisbon

Our best United Airlines deals on Boise to Lisbon flight tickets

United Airlines

Oct 18

BOI5:39 pmBoise Air Term. Gowen Fld

33h 51m

2 stops

LIS10:30 amLisbon Humberto Delgado

Nov 1

LIS10:15 amLisbon Humberto Delgado

30h 43m

2 stops

BOI10:58 amBoise Air Term. Gowen Fld

$673

Find similar

United Airlines

Oct 18

BOI12:35 pmBoise Air Term. Gowen Fld

36h 45m

3 stops

LIS8:20 amLisbon Humberto Delgado

Nov 1

LIS10:15 amLisbon Humberto Delgado

30h 43m

2 stops

BOI10:58 amBoise Air Term. Gowen Fld

$728

Find similar

United Airlines

Oct 23

BOI9:45 amBoise Air Term. Gowen Fld

17h 45m

2 stops

LIS10:30 amLisbon Humberto Delgado

Oct 29

LIS11:55 amLisbon Humberto Delgado

31h 49m

3 stops

BOI1:44 pmBoise Air Term. Gowen Fld

$738

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 10/19

7:00 am-4:05 pm

2 stops26h 05m

Lisbon Humberto Delgado

Mon 11/3

4:45 pm-10:27 pm

2 stops36h 42m

$623

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 11/1

5:20 pm-9:20 am

2 stops58h 00m

Lisbon Humberto Delgado

Sat 12/13

11:20 am-9:59 am

2 stops29h 39m

$648

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 10/19

7:00 am-11:05 pm

2 stops33h 05m

Lisbon Humberto Delgado

Mon 11/3

4:10 pm-10:27 pm

2 stops37h 17m

$654

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 10/18

5:39 pm-10:30 am

2 stops33h 51m

Lisbon Humberto Delgado

Sat 11/1

10:15 am-10:58 am

2 stops30h 43m

$673

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 10/18

12:35 pm-8:20 am

3 stops36h 45m

Lisbon Humberto Delgado

Sat 11/1

10:15 am-10:58 am

2 stops30h 43m

$728

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 10/23

9:45 am-10:30 am

2 stops17h 45m

Lisbon Humberto Delgado

Wed 10/29

11:55 am-1:44 pm

3 stops31h 49m

$738

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/7

8:00 am-9:05 am

2 stops18h 05m

Lisbon Humberto Delgado

Wed 10/15

11:05 am-11:22 pm

2 stops19h 17m

$825

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 10/8

7:45 am-9:20 am

2 stops18h 35m

Lisbon Humberto Delgado

Wed 10/22

5:05 am-9:24 pm

2 stops23h 19m

$850

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/7

7:00 am-11:00 pm

2 stops33h 00m

Lisbon Humberto Delgado

Wed 10/15

4:30 pm-10:24 pm

2 stops36h 54m

$892

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 10/8

11:41 am-10:10 pm

3 stops27h 29m

Lisbon Humberto Delgado

Wed 10/22

7:15 am-8:16 pm

2 stops20h 01m

$1,284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Boise to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $710. If you are unable to visit Lisbon during the month of November, then departing from Boise during the month February is also very affordable. Most momondo users find prices during this month for around $726.

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 $1,041. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Lisbon for around $1,444.

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

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $1,071. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,393 on average. Flights to Lisbon from Boise in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,039 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Boise for as low as $722 on momondo.

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

Best Price Found	$392
Fastest flight time	15h 30m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Boise in the past 72 hours is $392. The best round-trip flight deal from Boise to Lisbon found on momondo in the last 72 hours is $623.

The fastest flight from Boise to Lisbon takes 15h 30m

There are no direct flights from Boise to Lisbon. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

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 15h 30m.
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?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Lisbon Humberto Delgado Airport is 4 as of August 2025.
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?
Based on momondo bookings for flights between Boise and Lisbon, the leading airline is United Airlines, making up 52% of the total bookings. Other popular airlines include Delta with 29%, Air Canada with 10%, and American Airlines with 9%.

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
United Airlines	PriceFrom $601	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
Air Canada	PriceFrom $602	Free Cancellation	Rating 7.1 9,997 reviews	Search Air Canada flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights

Sintra

Fátima

Nazaré

Ericeira

Setúbal

Oeiras

Almada

Peniche

Evora

Sesimbra

Estoril

Leiria

Figueira da Foz

Tomar

Zambujeira do Mar

Torres Vedras

Batalha

Óbidos

Comporta

Costa da Caparica

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.