Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boise to Lisbon from $330

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 10/27. 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 Boise to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:40 am - 8:10 am
BOI
-
LIS
15h 30m
2 stops
United Airlines Logo
1:00 pm - 5:55 pm
LIS
-
BOI
35h 55m
2 stops
$726United Airlines
Sun, Dec 6 - Tue, Dec 8
Air Canada Logo
5:22 pm - 9:20 am
BOI
-
LIS
56h 58m
2 stops
Air Canada Logo
11:20 am - 11:59 pm
LIS
-
BOI
43h 39m
2 stops
$734Air Canada
Fri, Dec 4 - Wed, Dec 9
United Airlines Logo
5:00 am - 10:30 am
BOI
-
LIS
22h 30m
2 stops
United Airlines Logo
11:20 am - 11:41 am
LIS
-
BOI
30h 21m
2 stops
$767United Airlines
Sun, Oct 18 - Tue, Oct 27
Air Canada Logo
6:25 am - 11:05 am
BOI
-
LIS
21h 40m
2 stops
Air Canada Logo
11:25 am - 9:35 pm
LIS
-
BOI
41h 10m
2 stops
$770Air Canada
Wed, Oct 14 - Fri, Oct 23
American Airlines Logo
2:57 pm - 5:55 pm
BOI
-
LIS
19h 58m
2 stops
American Airlines Logo
6:45 pm - 1:38 pm
LIS
-
BOI
24h 53m
2 stops
$776American Airlines
Wed, Oct 21 - Sat, Oct 31
Air Canada Logo
6:25 am - 9:20 am
BOI
-
LIS
19h 55m
2 stops
Air Canada Logo
11:25 am - 9:35 pm
LIS
-
BOI
41h 10m
2 stops
$809Air Canada
Tue, Oct 6 - Tue, Oct 20
United Airlines Logo
6:25 am - 9:20 am
BOI
-
LIS
19h 55m
2 stops
United Airlines Logo
11:25 am - 9:35 pm
LIS
-
BOI
41h 10m
2 stops
$810United Airlines
Tue, Oct 6 - Tue, Oct 20
Delta Logo
6:00 am - 11:15 am
BOI
-
LIS
22h 15m
2 stops
Delta Logo
5:00 am - 4:49 pm
LIS
-
BOI
18h 49m
2 stops
$824Delta
Fri, Oct 16 - Thu, Oct 22
Multiple Airlines Logo
9:09 am - 9:05 am
BOI
-
LIS
16h 56m
2 stops
Multiple Airlines Logo
6:45 pm - 1:38 pm
LIS
-
BOI
24h 53m
2 stops
$834Multiple Airlines
Thu, Oct 22 - Sat, Oct 31
Multiple Airlines Logo
10:30 am - 11:05 am
BOI
-
LIS
17h 35m
3 stops
Multiple Airlines Logo
11:25 am - 9:35 pm
LIS
-
BOI
17h 10m
2 stops
$842Multiple Airlines
Tue, Oct 6 - Tue, Oct 20

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

United Airlines flights from Boise to Lisbon

Our best United Airlines deals on Boise to Lisbon flight tickets
United Airlines
Dec 6
BOI9:40 amBoise Air Term. Gowen Fld
15h 30m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 8
LIS1:00 pmLisbon Humberto Delgado
35h 55m
2 stops
BOI5:55 pmBoise Air Term. Gowen Fld
$726
United Airlines
Oct 18
BOI5:00 amBoise Air Term. Gowen Fld
22h 30m
2 stops
LIS10:30 amLisbon Humberto Delgado
Oct 27
LIS11:20 amLisbon Humberto Delgado
30h 21m
2 stops
BOI11:41 amBoise Air Term. Gowen Fld
$767
United Airlines
Oct 6
BOI6:25 amBoise Air Term. Gowen Fld
19h 55m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 20
LIS11:25 amLisbon Humberto Delgado
41h 10m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$810

Air Canada flights from Boise to Lisbon

Our best Air Canada deals on Boise to Lisbon flight tickets
Air Canada
Dec 4
BOI5:22 pmBoise Air Term. Gowen Fld
56h 58m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 9
LIS11:20 amLisbon Humberto Delgado
43h 39m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$734
Air Canada
Oct 14
BOI6:25 amBoise Air Term. Gowen Fld
21h 40m
2 stops
LIS11:05 amLisbon Humberto Delgado
Oct 23
LIS11:25 amLisbon Humberto Delgado
41h 10m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$770
Air Canada
Oct 6
BOI6:25 amBoise Air Term. Gowen Fld
19h 55m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 20
LIS11:25 amLisbon Humberto Delgado
41h 10m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$809

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 June 27, 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

Sun 12/6

9:40 am-8:10 am

2 stops15h 30m

Lisbon Humberto Delgado

Tue 12/8

1:00 pm-5:55 pm

2 stops35h 55m

$726

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 12/4

5:22 pm-9:20 am

2 stops56h 58m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-11:59 pm

2 stops43h 39m

$734

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 10/18

5:00 am-10:30 am

2 stops22h 30m

Lisbon Humberto Delgado

Tue 10/27

11:20 am-11:41 am

2 stops30h 21m

$767

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 10/14

6:25 am-11:05 am

2 stops21h 40m

Lisbon Humberto Delgado

Fri 10/23

11:25 am-9:35 pm

2 stops41h 10m

$770

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 10/21

2:57 pm-5:55 pm

2 stops19h 58m

Lisbon Humberto Delgado

Sat 10/31

6:45 pm-1:38 pm

2 stops24h 53m

$776

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/6

6:25 am-9:20 am

2 stops19h 55m

Lisbon Humberto Delgado

Tue 10/20

11:25 am-9:35 pm

2 stops41h 10m

$809

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/6

6:25 am-9:20 am

2 stops19h 55m

Lisbon Humberto Delgado

Tue 10/20

11:25 am-9:35 pm

2 stops41h 10m

$810

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 10/16

6:00 am-11:15 am

2 stops22h 15m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-4:49 pm

2 stops18h 49m

$824

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 10/22

9:09 am-9:05 am

2 stops16h 56m

Lisbon Humberto Delgado

Sat 10/31

6:45 pm-1:38 pm

2 stops24h 53m

$834
Quickest round-trip

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/6

10:30 am-11:05 am

3 stops17h 35m

Lisbon Humberto Delgado

Tue 10/20

11:25 am-9:35 pm

2 stops17h 10m

$842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 month to fly to Lisbon?

In general, January 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 $0. If you are unable to visit Lisbon during the month of January, then departing from Boise during the month November is also very affordable. Most momondo users find prices during this month for around $618.

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

15h 30m

Direct flights

None
The fastest flight from Boise to Lisbon takes 15h 30m
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 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?

  • 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
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
9,893 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
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Figueira da Foz
Peniche
Evora
Oeiras
Leiria
Sesimbra
Batalha
Óbidos
Zambujeira do Mar
Costa da Caparica
Tomar
Comporta
Sines
Torres Vedras

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.

An easier way to manage your Lisbon 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
Mon 7/27
Mon 8/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal