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$608+ Cheap flights from Idaho 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
abr. 8 — abr. 151
mar. 4/8
mar. 4/15
1 adult, Economy
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Cheap flight deals from Idaho to Lisbon

Keep the following information in mind while searching for Idaho to Lisbon flight deals. Data was last updated abril 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(United)

One-way from

$608
(United)

Popular in

June

Cheapest in

February

Average price

$1,051
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 Idaho to Lisbon Humberto Delgado
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One-way flight from Idaho to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 18% potential increase in price ($244 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Idaho to Lisbon

Cheapest flights from Idaho to Lisbon
Explore the most affordable flight options available from Idaho to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 3, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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. 11/84:00 pmGEG - LIS
2 stops34h 15mUnited Airlines
lun. 11/2410:15 amLIS - GEG
2 stops18h 54mUnited Airlines
Deal found 4/1$646
This Air Canada deal was found by Cheapflights users on 4/2. 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.
dom. 11/231:00 pmBOI - LIS
2 stops37h 20mAir Canada
sáb. 12/1311:00 amLIS - BOI
2 stops41h 08mAir Canada
Deal found 4/2$650
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/95:00 amBOI - LIS
2 stops20h 20mUnited Airlines
mié. 4/1611:25 amLIS - BOI
2 stops40h 57mUnited Airlines
Deal found 4/1$793
This Ovago deal was found by Cheapflights users on 4/1. 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.
mar. 5/133:39 pmBOI - LIS
2 stops34h 26mScandinavian Airlines
mié. 5/217:15 amLIS - BOI
2 stops23h 13mScandinavian Airlines
Deal found 4/1$862
This Finnair deal was found by Cheapflights users on 3/31. 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.
vie. 10/107:30 amBOI - LIS
2 stops32h 40mFinnair
jue. 10/166:35 amLIS - BOI
2 stops21h 37mFinnair
Deal found 3/31$913
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/15:43 amGEG - LIS
2 stops43h 37mAir Canada
mar. 9/3011:25 amLIS - GEG
2 stops42h 32mAir Canada
Deal found 4/1$974
This Air Canada deal was found by Cheapflights users on 3/31. 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.
jue. 9/1810:00 amBOI - LIS
2 stops16h 20mMultiple Airlines
jue. 10/211:25 amLIS - BOI
3 stops29h 18mMultiple Airlines
Deal found 3/31$978
This Air Canada deal was found by Cheapflights users on 4/2. 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.
mié. 9/2411:21 amGEG - LIS
3 stops21h 09mMultiple Airlines
mar. 10/711:25 amLIS - GEG
2 stops19h 44mMultiple Airlines
Deal found 4/2$1,021
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/128:59 pmBOI - LIS
2 stops41h 21mIcelandair
jue. 9/2510:20 pmLIS - BOI
2 stops31h 25mIcelandair
Deal found 4/1$1,022
This United Airlines deal was found by Cheapflights users on 4/2. 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. 6/107:50 amJAC - LIS
2 stops20h 15mUnited Airlines
jue. 6/1911:25 amLIS - JAC
2 stops37h 30mUnited Airlines
Deal found 4/2$1,165
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/2712:36 pmGEG - LIS
3 stops19h 54mIcelandair
vie. 7/117:10 amLIS - GEG
3 stops21h 59mIcelandair
Deal found 4/1$2,195
This Lufthansa deal was found by Cheapflights users on 4/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/147:00 amJAC - LIS
1 stop18h 20mMultiple Airlines
sáb. 6/2110:25 amLIS - JAC
1 stop16h 34mMultiple Airlines
Deal found 4/2$2,537

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho 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 abril 3, 2025.
Use the filters below to find and compare flights from Idaho to Lisbon that are best for you.

Fly from

Idaho

Fly to

Lisbon

Route

Depart

Return

Price

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

mié. 9/24

7:15 am-9:20 am

2 stops18h 05m

Lisbon Humberto Delgado

mar. 10/7

11:25 am-12:40 pm

2 stops33h 15m

$789

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

jue. 9/18

10:00 am-9:20 am

2 stops16h 20m

Lisbon Humberto Delgado

jue. 10/2

11:25 am-9:16 pm

2 stops40h 51m

$848

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

mar. 5/13

3:39 pm-9:05 am

2 stops34h 26m

Lisbon Humberto Delgado

mié. 5/21

7:15 am-11:28 pm

2 stops23h 13m

$862

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

lun. 9/1

5:43 am-9:20 am

2 stops43h 37m

Lisbon Humberto Delgado

mar. 9/30

11:25 am-9:57 pm

2 stops42h 32m

$974

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

jue. 9/18

10:00 am-9:20 am

2 stops16h 20m

Lisbon Humberto Delgado

jue. 10/2

11:25 am-9:43 am

3 stops29h 18m

$978

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

mié. 9/24

11:21 am-4:30 pm

3 stops21h 09m

Lisbon Humberto Delgado

mar. 10/7

11:25 am-11:09 pm

2 stops19h 44m

$1,021

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

vie. 9/12

8:59 pm-9:20 pm

2 stops41h 21m

Lisbon Humberto Delgado

jue. 9/25

10:20 pm-10:45 pm

2 stops31h 25m

$1,022

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

vie. 5/2

7:05 am-3:40 pm

2 stops25h 35m

Lisbon Humberto Delgado

lun. 5/12

4:30 pm-10:00 pm

2 stops36h 30m

$1,079

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

sáb. 5/17

6:30 am-9:20 am

2 stops43h 50m

Lisbon Humberto Delgado

dom. 6/8

1:10 pm-10:57 pm

2 stops40h 47m

$1,143

JacksonLisbon

JAC - LIS

JACLIS

Jackson Hole

mar. 6/10

7:50 am-11:05 am

2 stops20h 15m

Lisbon Humberto Delgado

jue. 6/19

11:25 am-5:55 pm

2 stops37h 30m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 14 results
1
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Best time to book a flight from Idaho to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Idaho 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 Idaho to Lisbon

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Lisbon (average of $612). Flying from Idaho to Lisbon in June is currently the most expensive (average of $1,203). 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 ID to LIS?

Find hourly flight availability from Idaho 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 abril 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Lisbon as you normally would.

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 abril 3, 2025.
Peruse reviews from past customers who have flown with Finnair, United Airlines and Scandinavian Airlines from Idaho to Lisbon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?
Finnair
7.6
Good
1,267 reviews
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?
United Airlines
7.4
Good
8,619 reviews
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?
Scandinavian Airlines
7.3
Good
1,328 reviews
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?
Air Canada
7.0
Good
9,028 reviews
Finnair
7.6
Good
1,267 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Rowland,Dec 2024

HEL - HKG

Finnair, a large European airline, have a very poor boarding practice whereby they collect every passenger waiting at the gate into an even smaller closed in area after checking passports (again) and boarding cards - then simply open the boarding causing a crowd crush as ALL passengers attempt to board all at once. Surely a more controllable method these days is to board via seat row numbers?

Related info for your journey

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

  • What airport do you fly into for flights to Lisbon from Idaho?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Idaho to Lisbon.

  • What are the most popular routes from Idaho to Lisbon?

    The most popular route from Idaho to Lisbon is Spokane - Lisbon Humberto Delgado. You may also consider Boise Air Term. Gowen Fld - Lisbon Humberto Delgado or Jackson Hole - Lisbon Humberto Delgado.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Lisbon (average of $612). Flying from Idaho to Lisbon in June is currently the most expensive (average of $1,203). 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 Idaho?

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

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Alternative routes for Idaho to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Idaho to Lisbon

Discover the top 6 airlines that operate flights from Idaho 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 abril 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$1,151FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$621Average$1,094FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$654Average$1,042FlexibilityNo cancel feeOn-time77%
DeltaCheapest$654Average$1,222FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$701Average$1,135FlexibilityNo cancel feeOn-time67%
KLMCheapest$814Average$989FlexibilityNo cancel feeOn-time75%

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