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$576+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Boise Air Term. Gowen Fld to Lisbon Humberto Delgado are usually found in February or March, 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$756
(Finnair)

One-way from

$576
(United)

Popular in

May

Cheapest in

February

Average price

$955
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lisbon Humberto Delgado flights.
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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. 14% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This Finnair deal was found by Cheapflights users on 1/28. 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.
Tue 2/117:00 amBOI - LIS
2 stops33h 25mFinnair
Fri 8/296:35 amLIS - BOI
2 stops21h 41mFinnair
Deal found 1/28$756
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 3/285:00 amBOI - LIS
2 stops27h 55mUnited Airlines
Fri 4/411:25 amLIS - BOI
2 stops42h 24mUnited Airlines
Deal found 1/28$799
This Air France deal was found by Cheapflights users on 1/29. 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.
Mon 2/1711:25 amBOI - LIS
2 stops16h 55mMultiple Airlines
Sun 2/233:25 pmLIS - BOI
2 stops32h 37mMultiple Airlines
Deal found 1/29$800
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:30 amBOI - LIS
2 stops20h 30mDelta
Wed 3/2611:15 amLIS - BOI
2 stops18h 44mDelta
Deal found 1/28$802
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Mon 3/176:56 pmBOI - LIS
2 stops32h 24mAir Canada
Thu 3/2710:55 amLIS - BOI
2 stops40h 34mAir Canada
Deal found 1/29$845
This Scandinavian Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 9/102:35 pmBOI - LIS
2 stops23h 05mScandinavian Airlines
Fri 9/196:55 amLIS - BOI
2 stops19h 25mScandinavian Airlines
Deal found 1/29$928

Find flights from Boise to Lisbon within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 2/11

7:00 am-11:25 pm

2 stops33h 25m

Lisbon Humberto Delgado

Fri 8/29

6:35 am-9:16 pm

2 stops21h 41m

$756

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 3/28

5:00 am-2:55 pm

2 stops27h 55m

Lisbon Humberto Delgado

Fri 4/4

11:25 am-10:49 pm

2 stops42h 24m

$799

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 2/17

11:25 am-11:20 am

2 stops16h 55m

Lisbon Humberto Delgado

Sun 2/23

3:25 pm-5:02 pm

2 stops32h 37m

$800

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 3/18

5:30 am-8:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Wed 3/26

11:15 am-11:59 pm

2 stops18h 44m

$802

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 3/17

6:56 pm-9:20 am

2 stops32h 24m

Lisbon Humberto Delgado

Thu 3/27

10:55 am-9:29 pm

2 stops40h 34m

$845

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 6/21

11:00 am-10:05 pm

3 stops28h 05m

Lisbon Humberto Delgado

Mon 7/7

7:15 am-9:04 pm

2 stops20h 49m

$2,496

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 6/3

5:39 pm-11:00 pm

2 stops22h 21m

Lisbon Humberto Delgado

Tue 6/17

7:15 am-10:59 pm

2 stops22h 44m

$4,292

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 3/14

1:20 pm-9:15 pm

2 stops25h 55m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Boise to Lisbon

Get recent, data-driven insights about flights from Boise to Lisbon including ideal travel times, pricing trends, and more.

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 January 24, 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 43 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 $1,244). 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 January 30, 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.

What is the cheapest day to fly from Boise to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Boise to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Lisbon flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 January 30, 2025.
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,315 reviews
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,641 reviews
Delta
8.0
Very good
8,450 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $756. Other airlines that can offer you cheap pricing are United Airlines, from $799, and Delta, from $802. You may be able to fly from Boise to Lisbon for 30% 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 $1,244). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Sesimbra
Fátima

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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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$621Average$1,352FlexibilityNo cancel feeOn-time71%
DeltaCheapest$658Average$1,104FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$709Average$1,196FlexibilityNo cancel feeOn-time69%
KLMCheapest$750Average$1,101FlexibilityNo cancel feeOn-time75%
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