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Lisbon

$332+ Cheap flights from Boise (BOI) to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Boise to Lisbon

Cheapest flights from Boise to Lisbon
Explore the most affordable flight options available from Boise to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:20 amBOI - LIS
2 stops20h 00mUnited Airlines
mié. 1/1411:20 amLIS - BOI
2 stops41h 32mUnited Airlines
Deal found 12/9$855
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:12 pmBOI - LIS
2 stops34h 03mUnited Airlines
mié. 12/3111:55 amLIS - BOI
2 stops32h 41mUnited Airlines
Deal found 12/10$1,318
This Gotogate deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1810:45 amBOI - LIS
2 stops40h 30mMultiple Airlines
jue. 12/2510:55 amLIS - BOI
2 stops30h 06mMultiple Airlines
Deal found 12/11$1,444
This Air Canada deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/168:15 amBOI - LIS
3 stops18h 05mMultiple Airlines
mié. 1/1411:20 amLIS - BOI
2 stops29h 46mMultiple Airlines
Deal found 12/9$1,688
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1512:16 pmBOI - LIS
2 stops14h 59mUnited Airlines
mié. 12/1711:00 amLIS - BOI
3 stops41h 31mUnited Airlines
Deal found 12/11$1,985
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:11 pmBOI - LIS
2 stops31h 09mAir Canada
mié. 12/1711:00 amLIS - BOI
2 stops32h 39mAir Canada
Deal found 12/10$1,997
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/1312:16 pmBOI - LIS
2 stops36h 54mUnited Airlines
mié. 12/1711:00 amLIS - BOI
3 stops42h 40mUnited Airlines
Deal found 12/10$2,017
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/225:12 pmBOI - LIS
2 stops56h 43mUnited Airlines
jue. 1/110:55 amLIS - BOI
2 stops38h 08mUnited Airlines
Deal found 12/10$2,025
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:12 pmBOI - LIS
2 stops34h 03mUnited Airlines
vie. 1/211:55 amLIS - BOI
2 stops17h 45mUnited Airlines
Deal found 12/11$2,183

Find flight deals from Boise to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$493
(United Airlines)

One-way from

$332
(Air Canada)

Popular in

June

Cheapest in

December

Average price

$627
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lisbon Humberto Delgado flights.
Search Deals
From Boise Air Term. Gowen Fld to Lisbon Humberto Delgado
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($291 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Boise to Lisbon that are best for you.

Fly from

Boise

Fly to

Lisbon

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

mié. 1/7

5:16 pm-9:20 am

2 stops33h 04m

Lisbon Humberto Delgado

mié. 1/14

11:20 am-9:52 pm

2 stops41h 32m

$493

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

sáb. 1/24

10:28 am-8:10 am

2 stops14h 42m

Lisbon Humberto Delgado

sáb. 1/31

5:00 am-9:23 pm

2 stops23h 23m

$494

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

vie. 2/6

6:10 am-8:10 am

2 stops19h 00m

Lisbon Humberto Delgado

mar. 2/10

5:00 am-11:48 pm

2 stops25h 48m

$498

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

sáb. 1/24

8:15 am-8:55 am

3 stops17h 40m

Lisbon Humberto Delgado

sáb. 1/31

11:20 am-10:06 am

2 stops29h 46m

$519

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

jue. 2/12

7:00 am-9:05 am

2 stops19h 05m

Lisbon Humberto Delgado

lun. 2/23

4:10 pm-10:36 pm

2 stops37h 26m

$652

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

lun. 2/2

8:58 pm-10:10 am

2 stops54h 12m

Lisbon Humberto Delgado

sáb. 2/7

10:50 am-10:09 pm

2 stops42h 19m

$847

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

mar. 12/16

10:35 am-10:15 am

2 stops16h 40m

Lisbon Humberto Delgado

mié. 1/14

11:20 am-11:48 pm

2 stops43h 28m

$1,106

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

jue. 2/12

9:00 am-11:55 am

2 stops19h 55m

Lisbon Humberto Delgado

sáb. 2/21

10:30 am-11:00 pm

1 stop19h 30m

$1,141

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

jue. 1/8

6:10 am-9:20 am

2 stops20h 10m

$332

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

mié. 2/25

5:10 pm-10:15 am

2 stops34h 05m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
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Compare providers for flights from Boise to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Lisbon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Lisbon flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Lisbon

What is the cheapest month to book a flight from Boise to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Boise to Lisbon (average of $546). Flying from Boise to Lisbon in June is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to LIS?

Find hourly flight availability from Boise to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s optimal to fly from Boise to Lisbon in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated diciembre 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boise to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boise to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boise to Lisbon?

    For as low as $493, United Airlines can have you in Lisbon from Boise in 33h 04m. The distance from Boise to Lisbon is about 5150 mi.

  • What are the cheapest airlines flying from Boise to Lisbon round-trip?

    Cheapflights users have booked flights from Boise to Lisbon round-trip from $601. Other airlines that can offer you cheap pricing are Air Canada, from $602, and American Airlines, from $621. You may be able to fly from Boise to Lisbon for 37% less than the average price by searching for these airlines.

  • Can I find deals for flights from Boise to Lisbon that include hotel bookings?

    Yes. In addition to deals on Boise to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Lisbon.

  • Can I find deals for business class flights from Boise to Lisbon?

    Yes. Cheapflights offers flight deals from Boise to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Boise to Lisbon (average of $546). Flying from Boise to Lisbon in June is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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Alternative routes for Boise to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Boise to Lisbon

Discover the top 4 airlines that operate flights from Boise to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$601Average$947FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$602Average$1,181FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$621Average$1,248FlexibilityNo cancel feeOn-time71%
DeltaCheapest$654Average$1,304FlexibilityNo cancel feeOn-timeN/A

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