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Lisbon

$386+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado are usually found in November or February, booked 46 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap 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 juillet 29, 2025.

Round-trip from

$607
(Iberia)

One-way from

$386
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,037
From Boise Air Term. Gowen Fld to Lisbon Humberto Delgado
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One-way flight from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 juillet 29, 2025.

This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/197:00 amBOI - LIS
2 stops26h 05mIberia
mer. 11/58:45 pmLIS - BOI
2 stops22h 53mIberia
Deal found 7/28$607
This Air France deal was found by Cheapflights users on 7/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/191:15 pmBOI - LIS
2 stops18h 35mAir France
lun. 11/36:30 pmLIS - BOI
2 stops28h 34mAir France
Deal found 7/28$628
This United Airlines deal was found by Cheapflights users on 7/28. 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.
dim. 10/265:00 amBOI - LIS
2 stops23h 15mUnited Airlines
lun. 11/105:00 amLIS - BOI
2 stops20h 09mUnited Airlines
Deal found 7/28$653
This Finnair deal was found by Cheapflights users on 7/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/187:00 amBOI - LIS
2 stops33h 10mMultiple Airlines
sam. 11/110:30 amLIS - BOI
2 stops33h 08mMultiple Airlines
Deal found 7/28$722
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/142:05 pmBOI - LIS
2 stops20h 45mDelta
mar. 9/3010:00 amLIS - BOI
2 stops20h 57mDelta
Deal found 7/27$832
This Air Canada deal was found by Cheapflights users on 7/27. 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.
lun. 12/226:55 pmBOI - LIS
2 stops55h 00mAir Canada
ven. 1/211:20 amLIS - BOI
2 stops53h 41mAir Canada
Deal found 7/27$968
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/1911:41 amBOI - LIS
3 stops25h 59mScandinavian Airlines
lun. 11/36:45 amLIS - BOI
2 stops23h 07mScandinavian Airlines
Deal found 7/28$1,726
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/282:32 pmBOI - LIS
2 stops17h 53mLufthansa
lun. 8/184:20 pmLIS - BOI
2 stops35h 54mLufthansa
Deal found 7/27$1,751

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 juillet 29, 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

dim. 10/19

1:33 pm-4:05 pm

2 stops19h 32m

Lisbon Humberto Delgado

mar. 11/4

6:30 am-10:27 pm

2 stops22h 57m

$607

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

dim. 10/19

1:15 pm-2:50 pm

2 stops18h 35m

Lisbon Humberto Delgado

lun. 11/3

6:30 pm-4:04 pm

2 stops28h 34m

$628

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

dim. 10/26

5:00 am-10:15 am

2 stops23h 15m

Lisbon Humberto Delgado

lun. 11/10

5:00 am-6:09 pm

2 stops20h 09m

$653

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

sam. 10/18

7:00 am-11:10 pm

2 stops33h 10m

Lisbon Humberto Delgado

sam. 11/1

10:30 am-1:38 pm

2 stops33h 08m

$722

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

dim. 9/14

2:05 pm-5:50 pm

2 stops20h 45m

Lisbon Humberto Delgado

mar. 9/30

10:00 am-11:57 pm

2 stops20h 57m

$832

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

lun. 12/22

6:55 pm-8:55 am

2 stops55h 00m

Lisbon Humberto Delgado

ven. 1/2

11:20 am-10:01 am

2 stops53h 41m

$968

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

dim. 10/19

11:41 am-8:40 pm

3 stops25h 59m

Lisbon Humberto Delgado

lun. 11/3

6:45 am-10:52 pm

2 stops23h 07m

$1,726

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

lun. 9/8

11:22 am-10:05 am

2 stops39h 43m

Lisbon Humberto Delgado

mer. 9/17

7:20 am-10:54 pm

2 stops22h 34m

$10,845

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

dim. 10/5

2:16 pm-5:30 am

3 stops32h 14m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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

How far ahead should I book a flight from Boise to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Lisbon. Price data was last updated on July 25, 2025.

The price you pay for your flight from Boise to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Boise to Lisbon (average of $612). Flying from Boise to Lisbon in June is currently the most expensive (average of $1,129). 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 juillet 29, 2025.

It’s optimal to fly from Boise to Lisbon in the afternoon. By choosing this option you can save up to 24% 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 juillet 29, 2025.
Get a feel of what it's like to fly with Delta, Air France, and United 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
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,449 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,826 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Cheapflights users have booked flights from Boise to Lisbon round-trip from $607. Other airlines that can offer you cheap pricing are Air France, from $628, and United Airlines, from $653. You may be able to fly from Boise to Lisbon for 41% 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, January is the cheapest month in which you can book a flight from Boise to Lisbon (average of $612). Flying from Boise to Lisbon in June is currently the most expensive (average of $1,129). 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
Sintra
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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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.
Spokane to Lisbon flights
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Spokane to Faro flights

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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$609Average$1,181FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$618Average$948FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$621Average$1,248FlexibilityNo cancel feeOn-time71%
DeltaCheapest$654Average$1,220FlexibilityNo cancel feeOn-timeN/A

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