$706 Find Cheap Flights from Boise to Portugal - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Portugal departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Boise to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbon2 stops$706
Porto
Porto2 stops$723
Lisbon
Lisbon2 stops$706
Porto
Porto2 stops$723

Book Cheap Boise to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Portugal

Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
5:00 am - 6:55 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
18h 55m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:00 am - 9:32 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
23h 32m2 stops Frankfurt am Main Denver Intl
$706Multiple Airlines
Tue, Jan 26 - Fri, Jan 29
United Airlines Logo
9:40 am - 8:10 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
15h 30m2 stops Denver Intl Newark
United Airlines Logo
11:20 am - 11:06 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
42h 46m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$722United Airlines
Sun, Nov 1 - Wed, Nov 11
Multiple Airlines Logo
6:30 am - 9:20 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
19h 50m2 stops Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
5:00 am - 9:32 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
23h 32m2 stops Frankfurt am Main Denver Intl
$739Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
6:30 am - 8:55 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
19h 25m3 stops Denver Intl Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
11:20 am - 11:33 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
19h 13m2 stops Toronto Pearson Intl San Francisco
$758Multiple Airlines
Sun, Nov 1 - Sat, Nov 7
Multiple Airlines Logo
6:20 am - 9:20 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
20h 00m2 stops San Francisco Toronto Pearson Intl
Multiple Airlines Logo
6:00 am - 6:03 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
19h 03m2 stops Munich Franz Josef Strauss Denver Intl
$761Multiple Airlines
Tue, Sep 22 - Thu, Oct 29
Delta Logo
6:45 am - 5:50 pmBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
28h 05m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 6:33 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
19h 33m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$819Delta
Tue, Sep 22 - Tue, Sep 29
Delta Logo
12:17 pm - 5:50 pmBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
22h 33m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 6:40 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
20h 40m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$819Delta
Mon, Sep 21 - Tue, Oct 6
Delta Logo
10:34 am - 5:50 pmBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
24h 16m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 5:14 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
19h 14m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$819Delta
Tue, Dec 15 - Tue, Dec 29
United Airlines Logo
7:00 am - 9:20 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
19h 20m2 stops Denver Intl Toronto Pearson Intl
United Airlines Logo
11:20 am - 9:42 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
41h 22m2 stops Toronto Pearson Intl Denver Intl
$819United Airlines
Wed, Sep 23 - Tue, Oct 27
United Airlines Logo
5:00 am - 11:05 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
23h 05m2 stops Denver Intl Toronto Pearson Intl
United Airlines Logo
11:20 am - 11:30 amLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
30h 10m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$819United Airlines
Booking Insights

KAYAK's insights & trends for Boise to Portugal flights

Get data-powered insights and trends into flights from Boise to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Boise to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boise to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boise to Portugal is January, when tickets cost $0 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $2,678 and $1,195 respectively.

Find deals

Good to know

Low season

April

Cheapest flight

$706
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 35% lower on average.
Flight from Boise to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Boise 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 Boise to Portugal.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boise 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 Boise 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 Boise 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 Boise 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 Boise to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boise to Portugal

Information on your arrival and departure airports

Boise (BOI)