$281 Find Cheap Flights from Idaho to Portugal

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Useful Info
Useful Info

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$281
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Spokane to Lisbon

FAQs for booking flights from Idaho to Portugal

  • How does KAYAK find such low prices on flights from Idaho to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Idaho to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Idaho to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Portugal?

    Based on KAYAK data, the cheapest day to fly to Portugal is Wednesday where round-trip tickets can be as cheap as $1,041. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,444 on average.

  • What is the cheapest time of day to fly to Portugal?

    The cheapest time of day to fly to Portugal is generally in the evening, when round-trip flights cost $1,071 on average. Morning departures are around 8% more expensive than evening flights, on average. The most expensive time of day to fly to Portugal is generally at night, which is peak travel time and where the average cost of a ticket is $1,393.

  • What is the cheapest month to fly from Idaho to Portugal?

    The cheapest month for flights from Idaho to Portugal is February, when tickets cost $751 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,453 and $1,245 respectively.

  • How far in advance should I book a flight from Idaho to Portugal?

    To get a below average price on the flight from Idaho to Portugal, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

  • How long is the flight to Portugal?

    An average nonstop flight from Idaho to Portugal takes 18h 18m, covering a distance of 5065 miles. The shortest route is Boise (BOI) to Lisbon (LIS) with an average flight time of 16h 00m.

  • What is the most popular destination in Portugal?

    Based on KAYAK flight searches, the most popular destination is Lisbon (100% of total searches to Portugal).

Book cheap flights from Idaho to Portugal

Recent round-trip flight deals

10/20Mon
2 stopsAmerican Airlines
20h 16mGEG-LIS
10/31Fri
2 stopsAmerican Airlines
21h 58mLIS-GEG
$701
10/18Sat
2 stopsUnited Airlines
56h 25mJAC-LIS
11/3Mon
2 stopsUnited Airlines
23h 02mLIS-JAC
$706
10/18Sat
2 stopsUnited Airlines
56h 25mJAC-LIS
11/3Mon
2 stopsUnited Airlines
40h 02mLIS-JAC
$709
10/18Sat
2 stopsUnited Airlines
34h 00mJAC-LIS
11/3Mon
3 stopsUnited Airlines
41h 12mLIS-JAC
$718
9/24Wed
2 stopsAir Canada
20h 05mGEG-LIS
10/7Tue
2 stopsAir Canada
33h 11mLIS-GEG
$791
9/11Thu
2 stopsAir Canada
43h 05mGEG-LIS
9/23Tue
2 stopsAir Canada
33h 11mLIS-GEG
$986
10/20Mon
3 stops
21h 09mGEG-LIS
10/31Fri
2 stops
32h 40mLIS-GEG
$1,014
9/24Wed
3 stops
21h 09mGEG-LIS
10/7Tue
2 stops
29h 43mLIS-GEG
$1,030
5/17Sat
2 stopsScandinavian Airlines
34h 21mBOI-LIS
5/21Wed
2 stopsScandinavian Airlines
18h 54mLIS-BOI
$1,072
7/21Mon
3 stopsScandinavian Airlines
25h 05mBOI-LIS
8/4Mon
2 stopsScandinavian Airlines
22h 42mLIS-BOI
$4,028

Search by stops

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Recent one-way flight deals

8/4Mon
1 stop
33h 53mGEG-LIS
$281
8/5Tue
2 stops
39h 50mGEG-LIS
$326
8/1Fri
1 stop
33h 53mGEG-LIS
$348
8/5Tue
1 stop
34h 43mGEG-LIS
$369
8/6Wed
2 stops
32h 41mGEG-LIS
$375
8/4Mon
3 stops
56h 28mGEG-LIS
$386
10/17Fri
2 stopsAir Canada
17h 00mBOI-LIS
$538
10/17Fri
3 stopsUnited Airlines
41h 20mBOI-LIS
$567
9/30Tue
2 stopsIberia
22h 54mGEG-LIS
$587
9/30Tue
3 stopsAir Canada
21h 14mGEG-LIS
$718

Search by stops

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Last minute flights from Idaho to Portugal

Last minute flight, train and bus deals

5/2Fri
multi-stopScandinavian Airlines
36h 50mBOI-LIS
5/4Sun
multi-stopScandinavian Airlines
32h 19mLIS-BOI
$1,492
5/2Fri
multi-stop
23h 40mBOI-LIS
5/4Sun
multi-stop
32h 22mLIS-BOI
$1,566
5/3Sat
multi-stop
16h 00mBOI-LIS
5/5Mon
multi-stop
32h 50mLIS-BOI
$1,609
5/3Sat
multi-stop
16h 00mBOI-LIS
5/5Mon
multi-stop
32h 50mLIS-BOI
$1,610
5/3Sat
multi-stop
24h 04mBOI-LIS
5/5Mon
multi-stop
35h 17mLIS-BOI
$1,657
5/3Sat
multi-stop
24h 04mBOI-LIS
5/5Mon
multi-stop
31h 40mLIS-BOI
$1,683
5/3Sat
multi-stop
25h 20mBOI-LIS
5/5Mon
multi-stop
35h 17mLIS-BOI
$1,701
5/2Fri
multi-stop
17h 00mBOI-LIS
5/4Sun
multi-stop
37h 12mLIS-BOI
$1,710
5/3Sat
multi-stopAir Canada
19h 45mBOI-LIS
5/5Mon
multi-stopAir Canada
29h 34mLIS-BOI
$2,389
5/2Fri
multi-stopAir Canada
19h 50mBOI-LIS
5/12Mon
multi-stopAir Canada
18h 27mLIS-BOI
$2,562

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Everything you need to know for your flight to Portugal

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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