When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Portugal?

Prices for flights from Boise Air Term. Gowen Fld Airport to Portugal are updated daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Portugal?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Portugal is 1 as of September 2026.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Portugal?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$570 Cheap Flights from Boise to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Portugal

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2:41 pm - 5:45 pmBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

20h 04m2 stops Dallas/Fort Worth London Heathrow

6:45 pm - 11:25 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

23h 40m2 stops Madrid Barajas Dallas/Fort Worth

$570American Airlines

Wed, Nov 4 - Wed, Nov 11

1:24 pm - 2:55 pmBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

18h 31m2 stops Chicago O'Hare Intl London Heathrow

8:45 pm - 11:25 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

21h 40m2 stops Madrid Barajas Dallas/Fort Worth

$577American Airlines

Wed, Nov 4 - Wed, Nov 11

5:30 am - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

20h 30m2 stops Minneapolis St Paul Boston Logan Intl

10:55 am - 10:26 pmLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

18h 31m2 stops Boston Logan Intl Seattle/Tacoma Intl

$578Delta

Mon, Nov 2 - Fri, Nov 13

5:59 pm - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

32h 01m2 stops Seattle/Tacoma Intl Boston Logan Intl

11:15 am - 12:10 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

19h 55m2 stops Boston Logan Intl Salt Lake City

$578Delta

Sun, Nov 1 - Wed, Nov 11

12:31 pm - 10:05 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

14h 34m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

12:20 pm - 11:31 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

30h 11m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$578United Airlines

Tue, Nov 3 - Fri, Nov 13

5:30 am - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

20h 30m2 stops Minneapolis St Paul Boston Logan Intl

11:15 am - 11:59 pmLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

19h 44m2 stops Boston Logan Intl Minneapolis St Paul

$578Delta

Mon, Nov 2 - Thu, Nov 12

5:30 am - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

20h 30m2 stops Minneapolis St Paul Boston Logan Intl

11:15 am - 12:10 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

19h 55m2 stops Boston Logan Intl Salt Lake City

$578Delta

Tue, Nov 3 - Thu, Nov 12

5:59 pm - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

32h 01m2 stops Seattle/Tacoma Intl Boston Logan Intl

11:15 am - 11:59 pmLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

19h 44m2 stops Boston Logan Intl Minneapolis St Paul

$578Delta

Sun, Nov 1 - Thu, Nov 12

5:30 am - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

20h 30m2 stops Minneapolis St Paul Boston Logan Intl

11:15 am - 10:42 amLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

30h 27m2 stops Boston Logan Intl Salt Lake City

$578Delta

Tue, Nov 3 - Wed, Nov 11

5:59 pm - 9:00 amBOI Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado

32h 01m2 stops Seattle/Tacoma Intl Boston Logan Intl

10:00 am - 9:59 pmLIS Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld

18h 59m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$578Delta

Sun, Nov 1 - Fri, Nov 13

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American Airlines flights from Boise to Portugal

Our best American Airlines deals on Boise to Portugal flight tickets

American Airlines

Nov 4

BOI2:41 pmBoise Air Term. Gowen Fld

20h 04m

2 stops

LIS5:45 pmLisbon Humberto Delgado

Nov 11

LIS6:45 pmLisbon Humberto Delgado

23h 40m

2 stops

BOI11:25 amBoise Air Term. Gowen Fld

$570

American Airlines

Nov 4

BOI1:24 pmBoise Air Term. Gowen Fld

18h 31m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Nov 11

LIS8:45 pmLisbon Humberto Delgado

21h 40m

2 stops

BOI11:25 amBoise Air Term. Gowen Fld

$577

American Airlines

Feb 10

BOI1:35 pmBoise Air Term. Gowen Fld

18h 20m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Feb 16

LIS6:30 amLisbon Humberto Delgado

22h 00m

2 stops

BOI9:30 pmBoise Air Term. Gowen Fld

$584

Delta flights from Boise to Portugal

Our best Delta deals on Boise to Portugal flight tickets

Delta

Nov 1

BOI5:59 pmBoise Air Term. Gowen Fld

32h 01m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 13

LIS10:00 amLisbon Humberto Delgado

18h 59m

2 stops

BOI9:59 pmBoise Air Term. Gowen Fld

$578

Delta

Nov 1

BOI5:59 pmBoise Air Term. Gowen Fld

32h 01m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 10

LIS5:00 amLisbon Humberto Delgado

25h 59m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$589

Delta

Nov 4

BOI8:59 amBoise Air Term. Gowen Fld

23h 11m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Nov 12

LIS11:15 amLisbon Humberto Delgado

18h 11m

2 stops

BOI10:26 pmBoise Air Term. Gowen Fld

$597

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Wed 11/4

2:41 pm-5:45 pm

2 stops20h 04m

Lisbon Humberto Delgado

Wed 11/11

6:45 pm-11:25 am

2 stops23h 40m

$570

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Wed 11/4

1:24 pm-2:55 pm

2 stops18h 31m

Lisbon Humberto Delgado

Wed 11/11

8:45 pm-11:25 am

2 stops21h 40m

$577

Quickest round-trip

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Mon 11/2

5:30 am-9:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Fri 11/13

10:55 am-10:26 pm

2 stops18h 31m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Sun 11/1

5:59 pm-9:00 am

2 stops32h 01m

Lisbon Humberto Delgado

Wed 11/11

11:15 am-12:10 am

2 stops19h 55m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Tue 11/3

12:31 pm-10:05 am

2 stops14h 34m

Lisbon Humberto Delgado

Fri 11/13

12:20 pm-11:31 am

2 stops30h 11m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Mon 11/2

5:30 am-9:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Thu 11/12

11:15 am-11:59 pm

2 stops19h 44m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Tue 11/3

5:30 am-9:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Thu 11/12

11:15 am-12:10 am

2 stops19h 55m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Sun 11/1

5:59 pm-9:00 am

2 stops32h 01m

Lisbon Humberto Delgado

Thu 11/12

11:15 am-11:59 pm

2 stops19h 44m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Tue 11/3

5:30 am-9:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Wed 11/11

11:15 am-10:42 am

2 stops30h 27m

$578

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Sun 11/1

5:59 pm-9:00 am

2 stops32h 01m

Lisbon Humberto Delgado

Fri 11/13

10:00 am-9:59 pm

2 stops18h 59m

$578

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Boise to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Boise is in July. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Portugal from Boise during January instead. Flights to Portugal in January, while not as cheap as those in July, still average around $0.

Cheap Boise to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Portugal

Best Price Found	$570
Fastest flight time	18h 20m
Direct flights	None

The best flight deal from Boise to Portugal found on momondo in the last 72 hours is $570

The fastest flight from Boise to Portugal takes 18h 20m

There are no direct flights from Boise to Portugal. There are no popular flight routes from Boise to Portugal.

Search flight deals

Frequently asked questions about flying from Boise to Portugal

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Portugal?
Prices for flights from Boise Air Term. Gowen Fld Airport to Portugal are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Portugal?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Portugal is 1 as of September 2026.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Portugal?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Boise to Portugal

Compare and see reviews for airlines that fly from Boise to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $549	Free Cancellation	Rating 7.8 8,595 reviews		Search Delta flights
United Airlines	PriceFrom $737	Free Cancellation	Rating 7.4 10,226 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Portugal?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Portugal. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to Portugal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portugal from Boise with this policy.

How can momondo help me find flights from Boise to Portugal?

momondo helps you find the best flight between Boise and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boise to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Boise and alert you when they change.

An easier way to manage your Portugal trip

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Popular cities

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Popular cities in Portugal

Flights to Lisbonfrom $309

Flights to Portofrom $470

Flights to Funchalfrom $485

Flights to Farofrom $463

Flights to Ponta Delgadafrom $561

Flights to Lajesfrom $568

Flights to Hortafrom $591

Flights to Pico Islandfrom $592

Flights to Porto Santofrom $999

Flights to Velasfrom $590

Cheap flights from Boise to Portugal from $570

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Portugal departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Boise to Portugal

Our best American Airlines deals on Boise to Portugal flight tickets

Delta flights from Boise to Portugal

Our best Delta deals on Boise to Portugal flight tickets

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How to get the cheapest flight ticket from Boise to Portugal

What is the cheapest month to fly to Portugal?

Cheap Boise to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boise to Portugal

Best airlines flying from Boise to Portugal

Compare and see reviews for airlines that fly from Boise to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Boise flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year