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Cheap flights from Boise to Lisbon from $387

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 9/22. 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.
American Airlines Logo
2:14 pm - 3:40 pm
BOI
-
LIS
18h 26m
2 stops
American Airlines Logo
6:35 am - 10:54 pm
LIS
-
BOI
23h 19m
2 stops
$781American Airlines
Wed, Apr 22 - Wed, May 6
Multiple Airlines Logo
1:29 pm - 3:45 pm
BOI
-
LIS
19h 16m
2 stops
Multiple Airlines Logo
4:35 pm - 10:38 pm
LIS
-
BOI
37h 03m
2 stops
$786Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
8:11 am - 9:05 am
BOI
-
LIS
17h 54m
2 stops
Multiple Airlines Logo
6:35 am - 10:54 pm
LIS
-
BOI
23h 19m
2 stops
$791Multiple Airlines
Wed, Apr 22 - Wed, May 6
Multiple Airlines Logo
6:00 am - 11:25 pm
BOI
-
LIS
34h 25m
2 stops
Multiple Airlines Logo
8:45 pm - 10:38 pm
LIS
-
BOI
32h 53m
2 stops
$818Multiple Airlines
Mon, May 4 - Mon, May 11
American Airlines Logo
2:14 pm - 3:45 pm
BOI
-
LIS
18h 31m
2 stops
American Airlines Logo
6:35 am - 10:38 pm
LIS
-
BOI
23h 03m
2 stops
$828American Airlines
Mon, May 4 - Tue, May 12
Multiple Airlines Logo
3:44 pm - 5:50 pm
BOI
-
LIS
19h 06m
2 stops
Multiple Airlines Logo
5:00 am - 5:09 pm
LIS
-
BOI
19h 09m
2 stops
$832Multiple Airlines
Wed, Apr 22 - Wed, May 13
KLM Logo
3:23 pm - 6:45 pm
BOI
-
LIS
20h 22m
2 stops
KLM Logo
5:00 am - 5:09 pm
LIS
-
BOI
19h 09m
2 stops
$837KLM
Wed, Apr 22 - Wed, May 13
Multiple Airlines Logo
8:11 am - 9:05 am
BOI
-
LIS
17h 54m
2 stops
Multiple Airlines Logo
6:35 am - 10:38 pm
LIS
-
BOI
23h 03m
2 stops
$838Multiple Airlines
Sun, May 3 - Tue, May 12
Finnair Logo
1:29 pm - 11:25 pm
BOI
-
LIS
26h 56m
2 stops
Finnair Logo
4:35 pm - 10:54 pm
LIS
-
BOI
37h 19m
2 stops
$845Finnair
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
8:11 am - 9:05 am
BOI
-
LIS
17h 54m
2 stops
Multiple Airlines Logo
11:05 am - 10:58 pm
LIS
-
BOI
18h 53m
2 stops
$847Multiple Airlines
Wed, Apr 22 - Wed, May 13

KLM flights from Boise to Lisbon

Our best KLM deals on Boise to Lisbon flight tickets
KLM
Apr 14
BOI3:44 pmBoise Air Term. Gowen Fld
20h 01m
2 stops
LIS6:45 pmLisbon Humberto Delgado
Apr 28
LIS5:00 amLisbon Humberto Delgado
22h 00m
2 stops
BOI8:00 pmBoise Air Term. Gowen Fld
$790
KLM
Apr 22
BOI3:23 pmBoise Air Term. Gowen Fld
20h 22m
2 stops
LIS6:45 pmLisbon Humberto Delgado
May 13
LIS5:00 amLisbon Humberto Delgado
19h 09m
2 stops
BOI5:09 pmBoise Air Term. Gowen Fld
$837
KLM
Apr 14
BOI3:23 pmBoise Air Term. Gowen Fld
20h 22m
2 stops
LIS6:45 pmLisbon Humberto Delgado
Apr 28
LIS9:20 amLisbon Humberto Delgado
18h 09m
2 stops
BOI8:29 pmBoise Air Term. Gowen Fld
$840

Scandinavian Airlines flights from Boise to Lisbon

Our best Scandinavian Airlines deals on Boise to Lisbon flight tickets
Scandinavian Airlines
Sep 8
BOI10:23 amBoise Air Term. Gowen Fld
22h 12m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Sep 19
LIS4:25 pmLisbon Humberto Delgado
33h 10m
2 stops
BOI6:35 pmBoise Air Term. Gowen Fld
$1,011
Scandinavian Airlines
Sep 11
BOI12:42 pmBoise Air Term. Gowen Fld
19h 53m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Sep 19
LIS4:25 pmLisbon Humberto Delgado
33h 10m
2 stops
BOI6:35 pmBoise Air Term. Gowen Fld
$1,079
Scandinavian Airlines
Sep 8
BOI12:42 pmBoise Air Term. Gowen Fld
26h 23m
3 stops
LIS10:05 pmLisbon Humberto Delgado
Sep 19
LIS7:15 amLisbon Humberto Delgado
22h 49m
2 stops
BOI11:04 pmBoise Air Term. Gowen Fld
$1,272

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 April 9, 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

Cheapest round-trip

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

2:14 pm-3:40 pm

2 stops18h 26m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-10:54 pm

2 stops23h 19m

$781

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 4/27

1:29 pm-3:45 pm

2 stops19h 16m

Lisbon Humberto Delgado

Mon 5/4

4:35 pm-10:38 pm

2 stops37h 03m

$786

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

8:11 am-9:05 am

2 stops17h 54m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-10:54 pm

2 stops23h 19m

$791

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 5/4

6:00 am-11:25 pm

2 stops34h 25m

Lisbon Humberto Delgado

Mon 5/11

8:45 pm-10:38 pm

2 stops32h 53m

$818

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 5/4

2:14 pm-3:45 pm

2 stops18h 31m

Lisbon Humberto Delgado

Tue 5/12

6:35 am-10:38 pm

2 stops23h 03m

$828

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

3:44 pm-5:50 pm

2 stops19h 06m

Lisbon Humberto Delgado

Wed 5/13

5:00 am-5:09 pm

2 stops19h 09m

$832

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

3:23 pm-6:45 pm

2 stops20h 22m

Lisbon Humberto Delgado

Wed 5/13

5:00 am-5:09 pm

2 stops19h 09m

$837

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 5/3

8:11 am-9:05 am

2 stops17h 54m

Lisbon Humberto Delgado

Tue 5/12

6:35 am-10:38 pm

2 stops23h 03m

$838

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 5/5

1:29 pm-11:25 pm

2 stops26h 56m

Lisbon Humberto Delgado

Wed 5/13

4:35 pm-10:54 pm

2 stops37h 19m

$845
Quickest round-trip

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

8:11 am-9:05 am

2 stops17h 54m

Lisbon Humberto Delgado

Wed 5/13

11:05 am-10:58 pm

2 stops18h 53m

$847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Boise and Lisbon?

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

17h 54m

Direct flights

None
The fastest flight from Boise to Lisbon takes 17h 54m
There are no direct flights from Boise to Lisbon. There are no popular flight routes from Boise to Lisbon.
Search flight deals

Frequently asked questions about flying from Boise to Lisbon

  • 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 17h 54m.

  • 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
8,392 reviews
Search Delta flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
9,554 reviews
Search United Airlines flights

Traveling to a place near Lisbon?

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

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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