What airlines fly to Lisbon?

United Airlines, Delta and Air Canada are the top three most popular airlines that fly to Lisbon from Idaho according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 4 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Lisbon Humberto Delgado?

Iberia, United Airlines, and Air Canada are the most popular carriers operating from Idaho to Lisbon Humberto Delgado

When did momondo last update prices for flights from Idaho to Lisbon Humberto Delgado Airport?

Prices for flights from Idaho to Lisbon Humberto Delgado Airport refresh daily.

How many operators does momondo search for flights from Idaho to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Idaho to Lisbon Humberto Delgado Airport is 4 as of August 2025.

How old do you have to be to fly from Idaho to Lisbon Humberto Delgado Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$379 Cheap Flights from Idaho to Lisbon in 2025

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Find the cheapest flights from Idaho to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

1:00 pm - 2:50 pmBOI-LIS

18h 50m2 stops

6:30 pm - 4:06 pmLIS-BOI

28h 36m2 stops

$627Air France

Find Deal

Sun, Oct 19 - Mon, Nov 3

1:00 pm - 2:50 pmBOI-LIS

18h 50m2 stops

6:30 pm - 4:06 pmLIS-BOI

28h 36m2 stops

$631Air France

Find Deal

Sun, Oct 19 - Mon, Nov 3

5:10 am - 9:20 amGEG-LIS

20h 10m2 stops

11:20 am - 6:44 pmLIS-GEG

39h 24m2 stops

$641Air Canada

Find Deal

Tue, Nov 18 - Tue, Dec 2

5:00 am - 8:10 amGEG-LIS

19h 10m2 stops

10:50 am - 8:59 pmLIS-GEG

42h 09m2 stops

$643United Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

5:56 pm - 9:20 amJAC-LIS

32h 24m2 stops

5:00 am - 3:25 pmLIS-JAC

41h 25m2 stops

$659United Airlines

Find Deal

Sat, Oct 18 - Mon, Nov 3

7:00 am - 9:20 amJAC-LIS

19h 20m2 stops

10:15 am - 9:02 pmLIS-JAC

17h 47m2 stops

$660United Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

12:45 pm - 9:20 amGEG-LIS

60h 35m2 stops

11:20 am - 12:45 pmLIS-GEG

33h 25m2 stops

$685Air Canada

Find Deal

Sat, Nov 22 - Tue, Dec 2

7:00 am - 1:10 pmBOI-LIS

23h 10m2 stops

7:00 am - 10:22 pmLIS-BOI

21h 22m2 stops

$734

Find Deal

Sat, Oct 25 - Sat, Nov 1

1:33 pm - 6:25 pmBOI-LIS

21h 52m2 stops

7:00 am - 10:22 pmLIS-BOI

21h 22m2 stops

$737

Find Deal

Sat, Oct 18 - Sat, Nov 1

12:35 pm - 9:50 pmGEG-LIS

25h 15m2 stops

5:05 am - 11:15 pmLIS-GEG

26h 10m2 stops

$784Lufthansa

Find Deal

Wed, Sep 24 - Tue, Oct 7

United Airlines flights from Idaho to Lisbon

Our best United Airlines deals on Idaho to Lisbon flight tickets

United Airlines

Dec 3

GEG5:00 amSpokane

19h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Dec 7

LIS10:50 amLisbon Humberto Delgado

42h 09m

2 stops

GEG8:59 pmSpokane

$643

Find similar

United Airlines

Oct 18

JAC5:56 pmJackson Hole

32h 24m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 3

LIS5:00 amLisbon Humberto Delgado

41h 25m

2 stops

JAC3:25 pmJackson Hole

$659

Find similar

United Airlines

Jan 16

JAC7:00 amJackson Hole

19h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 20

LIS10:15 amLisbon Humberto Delgado

17h 47m

2 stops

JAC9:02 pmJackson Hole

$660

Find similar

Air Canada flights from Idaho to Lisbon

Our best Air Canada deals on Idaho to Lisbon flight tickets

Air Canada

Nov 18

GEG5:10 amSpokane

20h 10m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 2

LIS11:20 amLisbon Humberto Delgado

39h 24m

2 stops

GEG6:44 pmSpokane

$641

Find similar

Air Canada

Nov 22

GEG12:45 pmSpokane

60h 35m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 2

LIS11:20 amLisbon Humberto Delgado

33h 25m

2 stops

GEG12:45 pmSpokane

$685

Find similar

Air Canada

Dec 5

BOI10:35 amBoise Air Term. Gowen Fld

39h 20m

2 stops

LIS8:55 amLisbon Humberto Delgado

Dec 13

LIS11:20 amLisbon Humberto Delgado

29h 39m

2 stops

BOI9:59 amBoise Air Term. Gowen Fld

$695

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 10/19

1:00 pm-2:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Mon 11/3

6:30 pm-4:06 pm

2 stops28h 36m

$627

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 10/19

1:00 pm-2:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Mon 11/3

6:30 pm-4:06 pm

2 stops28h 36m

$631

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Tue 11/18

5:10 am-9:20 am

2 stops20h 10m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-6:44 pm

2 stops39h 24m

$641

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Wed 12/3

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-8:59 pm

2 stops42h 09m

$643

JacksonLisbon

JAC - LIS

JACLIS

Jackson Hole

Sat 10/18

5:56 pm-9:20 am

2 stops32h 24m

Lisbon Humberto Delgado

Mon 11/3

5:00 am-3:25 pm

2 stops41h 25m

$659

JacksonLisbon

JAC - LIS

JACLIS

Jackson Hole

Fri 1/16

7:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Tue 1/20

10:15 am-9:02 pm

2 stops17h 47m

$660

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Sat 11/22

12:45 pm-9:20 am

2 stops60h 35m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-12:45 pm

2 stops33h 25m

$685

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 10/25

7:00 am-1:10 pm

2 stops23h 10m

Lisbon Humberto Delgado

Sat 11/1

7:00 am-10:22 pm

2 stops21h 22m

$734

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sat 10/18

1:33 pm-6:25 pm

2 stops21h 52m

Lisbon Humberto Delgado

Sat 11/1

7:00 am-10:22 pm

2 stops21h 22m

$737

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Wed 9/24

12:35 pm-9:50 pm

2 stops25h 15m

Lisbon Humberto Delgado

Tue 10/7

5:05 am-11:15 pm

2 stops26h 10m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Lisbon

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

Prices

Airlines

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Idaho to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $715. If you are unable to visit Lisbon during the month of November, then departing from Idaho during the month February is also very affordable. Most momondo users find prices during this month for around $726.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $1,041. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Lisbon for around $1,444.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $1,071. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,393 on average. Flights to Lisbon from Idaho in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,041 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Idaho for as low as $722 on momondo.

Cheap Idaho to Lisbon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Lisbon

Best Price Found	$379
Fastest flight time	16h 25m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Idaho in the past 72 hours is $379. The best round-trip flight deal from Idaho to Lisbon found on momondo in the last 72 hours is $627.

The fastest flight from Idaho to Lisbon takes 16h 25m

There are no direct flights from Idaho to Lisbon. Popular non-direct routes for this connection are Spokane Airport - Lisbon Humberto Delgado Airport, Boise Air Term. Gowen Fld Airport - Lisbon Humberto Delgado Airport and Jackson Hole Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

Search flight deals

When did momondo last update prices for flights from Idaho to Lisbon Humberto Delgado Airport?
Prices for flights from Idaho to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Idaho to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Idaho to Lisbon Humberto Delgado Airport is 4 as of August 2025.
How old do you have to be to fly from Idaho to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Lisbon

Compare and see reviews for airlines that fly from Idaho to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $601	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Air Canada	PriceFrom $602	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $654	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights

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Fátima

Nazaré

Ericeira

Setúbal

Oeiras

Almada

Peniche

Evora

Estoril

Sesimbra

Leiria

Figueira da Foz

Tomar

Óbidos

Batalha

Comporta

Torres Vedras

Costa da Caparica

Sines

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Lisbon?

Finding the right flight to Lisbon from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

Can I find flights from Idaho to Lisbon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lisbon from Idaho with this policy.

How can momondo help me find flights from Idaho to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Idaho.

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

Of course. momondo tracks the price of Idaho to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.