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Portugal

$616+ Cheap flights from Idaho to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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Find flight deals from Idaho to Portugal

Cheapest flights from Idaho to Portugal
Explore the most affordable flight options available from Idaho to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/2512:20 pmBOI - LIS
2 stops14h 55mUnited Airlines
Mon 12/912:15 pmLIS - BOI
2 stops38h 00mUnited Airlines
Deal found 11/4$833
This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:40 amBOI - LIS
2 stops39h 40mAir Canada
Wed 12/1111:00 amLIS - BOI
2 stops37h 51mAir Canada
Deal found 11/3$849
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 11/175:10 amGEG - LIS
2 stops21h 05mUnited Airlines
Sun 11/2411:30 amLIS - GEG
2 stops35h 36mUnited Airlines
Deal found 11/3$864
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Thu 12/58:20 amBOI - LIS
3 stops18h 00mMultiple Airlines
Wed 12/1111:00 amLIS - BOI
2 stops31h 35mMultiple Airlines
Deal found 11/3$871
This Finnair deal was found by Cheapflights users on 11/4. 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.
Mon 11/187:05 amBOI - LIS
2 stops33h 20mFinnair
Mon 12/24:10 pmLIS - BOI
2 stops36h 42mFinnair
Deal found 11/4$1,073
This Delta deal was found by Cheapflights users on 11/3. 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 11/55:35 amBOI - LIS
2 stops19h 25mDelta
Tue 11/1910:00 amLIS - BOI
2 stops21h 10mDelta
Deal found 11/3$1,222
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Sun 11/173:50 pmGEG - LIS
2 stops33h 30mMultiple Airlines
Sun 11/2410:50 amLIS - GEG
3 stops33h 57mMultiple Airlines
Deal found 11/3$1,267
This Scandinavian Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 11/2212:20 pmBOI - LIS
3 stops26h 50mScandinavian Airlines
Fri 12/66:55 amLIS - BOI
2 stops22h 07mScandinavian Airlines
Deal found 11/4$1,697
This AranGrant deal was found by Cheapflights users on 11/3. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:00 amGEG - LIS
2 stops23h 55mLufthansa
Tue 12/245:00 amLIS - GEG
2 stops21h 25mLufthansa
Deal found 11/3$3,104

Find flights from Idaho to Portugal within your budget

Customize your flight search to find flights from Idaho to Portugal 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

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Any airport

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 3/14

6:43 pm-9:20 am

2 stops56h 37m

$767

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 2/26

7:30 am-9:35 pm

2 stops31h 05m

Lisbon Humberto Delgado

Fri 3/7

6:55 am-10:05 pm

2 stops22h 10m

$773

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 11/25

12:20 pm-10:15 am

2 stops14h 55m

Lisbon Humberto Delgado

Mon 12/9

12:15 pm-7:15 pm

2 stops38h 00m

$833

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 12/5

10:40 am-9:20 am

2 stops39h 40m

Lisbon Humberto Delgado

Wed 12/11

11:00 am-5:51 pm

2 stops37h 51m

$849

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 12/5

8:20 am-9:20 am

3 stops18h 00m

Lisbon Humberto Delgado

Wed 12/11

11:00 am-11:35 am

2 stops31h 35m

$871

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Mon 11/18

7:05 am-11:25 pm

2 stops33h 20m

Lisbon Humberto Delgado

Mon 12/2

4:10 pm-9:52 pm

2 stops36h 42m

$1,073

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 3/6

5:30 am-11:20 am

2 stops22h 50m

Lisbon Humberto Delgado

Fri 3/21

10:00 am-10:51 pm

2 stops18h 51m

$1,151

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Sun 1/12

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Sun 1/26

11:00 am-11:28 pm

2 stops44h 28m

$858

JacksonLisbon

JAC - LIS

JACLIS

Jackson Hole

Thu 3/20

7:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Wed 4/2

7:30 am-9:02 pm

2 stops20h 32m

$980

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Sun 1/12

5:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Sun 1/26

11:00 am-12:48 pm

3 stops33h 48m

$1,166

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 12 results
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Best time to book a flight from Idaho to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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.

Travel insights for flights from Idaho to Portugal

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

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

Currently, December is the cheapest month in which you can book a flight from Idaho to Portugal (average of $575). Flying from Idaho to Portugal in June is currently the most expensive (average of $1,182). 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 PT?

Find hourly flight availability from Idaho to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

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

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal 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 Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated November 4, 2024.
To help decide which airline to fly from Idaho to Portugal, see what other customers have to say about United Airlines, Air Canada and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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

Delta
8.0
Very good
8,829 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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

Finnair
7.7
Good
1,316 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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

United Airlines
7.4
Good
9,226 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,303 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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

Air Canada
7.0
Good
8,123 reviews
Delta
8.0
Very good
8,829 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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 Idaho to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Idaho to Portugal for under $700 on Cheapflights?

    Yes, there are multiple flights from Idaho to Portugal for under $700. The cheapest flight booked recently is on Multiple Airlines for just $616, but on average you can expect to pay $999.

  • What does BOI to LIS mean?

    BOI stands for Boise Air Term. Gowen Fld Airport, while LIS stands for Lisbon Humberto Delgado Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Porto Airport (OPO), Funchal Madeira Airport (FNC), Faro Airport (FAO), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Idaho to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Idaho to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Idaho to Portugal that allow pets onboard?

    Many airlines flying from Idaho to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Idaho to Portugal?

    Yes, you can often find last-minute deals on Idaho to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Idaho to Portugal flight deals updated?

    The Idaho to Portugal flight deals you see on this page were last updated on 11/4.

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

    Currently, December is the cheapest month in which you can book a flight from Idaho to Portugal (average of $575). Flying from Idaho to Portugal in June is currently the most expensive (average of $1,182). 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

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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 Portugal

Discover the top 6 airlines that operate flights from Idaho to Portugal. 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$455Average$1,037FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$560Average$989FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$568Average$1,234FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$589Average$1,168FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$845Average$1,000FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$940Average$1,179FlexibilityNo cancel feeOn-time76%
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