How long does it take to fly to Liberia?

Flight times from Idaho to Liberia vary, but if you’re flying out of Boise and flying into San José (one of the most popular routes), then the duration is 12h 27m on average. Another popular route from Idaho to Liberia is flying from Idaho Falls to San José, which will take roughly 16h 14m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Liberia?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Liberia from Idaho according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Liberia. Keep in mind that there are 5 different airlines that fly to Liberia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Liberia?

Alaska Airlines and United Airlines are the most popular carriers operating from Idaho to Liberia

When did momondo last update prices for flights from Idaho to Liberia Airport?

Prices for flights from Idaho to Liberia Airport refresh daily.

How many operators does momondo search for flights from Idaho to Liberia Airport?

The number of operators available for flights from Idaho to Liberia Airport is 2 as of November 2025.

How old do you have to be to fly from Idaho to Liberia 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 Liberia Airport.

What documentation or ID do you need to fly to Liberia Airport?

The travel and health documents required for your trip to Liberia 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 Liberia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$207 Cheap Flights from Idaho to Liberia in 2025/26

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Find the cheapest flights from Idaho to Liberia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:12 pm - 6:36 amBOI-LIR

10h 24m1 stop

8:05 am - 11:00 pmLIR-BOI

14h 55m1 stop

$445Alaska Airlines

Find Deal

Mon, Mar 9 - Thu, Mar 12

5:40 am - 5:58 pmBOI-LIR

11h 18m2 stops

11:20 am - 9:30 amLIR-BOI

22h 10m2 stops

$449Alaska Airlines

Find Deal

Tue, Feb 17 - Tue, Mar 10

5:00 am - 4:08 pmGEG-LIR

9h 08m1 stop

12:50 pm - 9:17 pmLIR-GEG

10h 27m1 stop

$489United Airlines

Find Deal

Tue, Feb 24 - Tue, Mar 3

5:00 am - 4:08 pmGEG-LIR

9h 08m1 stop

8:35 am - 9:07 pmLIR-GEG

14h 32m2 stops

$493United Airlines

Find Deal

Mon, Feb 9 - Thu, Feb 19

3:00 pm - 12:50 pmBOI-LIR

20h 50m2 stops

1:20 pm - 11:42 pmLIR-BOI

10h 22m1 stop

$493Delta

Find Deal

Tue, Feb 17 - Tue, Mar 10

6:00 am - 2:20 pmGEG-LIR

30h 20m1 stop

3:13 pm - 2:58 pmLIR-GEG

25h 45m2 stops

$505American Airlines

Find Deal

Tue, Jan 20 - Tue, Feb 3

12:55 pm - 11:20 amGEG-LIR

20h 25m1 stop

3:05 pm - 12:07 pmLIR-GEG

23h 02m2 stops

$513Delta

Find Deal

Fri, Jan 16 - Fri, Jan 30

2:52 pm - 12:12 pmBOI-LIR

20h 20m2 stops

3:23 pm - 12:07 pmLIR-BOI

21h 44m2 stops

$518American Airlines

Find Deal

Sat, Jan 10 - Sun, Jan 18

4:59 pm - 5:01 pmGEG-LIR

22h 02m1 stop

11:20 am - 4:19 pmLIR-GEG

30h 59m1 stop

$717Multiple Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 30

8:12 pm - 2:25 pmBOI-LIR

17h 13m2 stops

3:13 pm - 12:43 pmLIR-BOI

22h 30m2 stops

$797Multiple Airlines

Find Deal

Sat, Feb 14 - Sat, Feb 21

Alaska Airlines flights from Idaho to Liberia

Our best Alaska Airlines deals on Idaho to Liberia flight tickets

Alaska Airlines

Mar 9

BOI8:12 pmBoise Air Term. Gowen Fld

10h 24m

1 stop

LIR6:36 amLiberia

Mar 12

LIR8:05 amLiberia

14h 55m

1 stop

BOI11:00 pmBoise Air Term. Gowen Fld

$445

Find similar

Alaska Airlines

Feb 17

BOI5:40 amBoise Air Term. Gowen Fld

11h 18m

2 stops

LIR5:58 pmLiberia

Mar 10

LIR11:20 amLiberia

22h 10m

2 stops

BOI9:30 amBoise Air Term. Gowen Fld

$449

Find similar

Alaska Airlines

Dec 6

BOI5:59 pmBoise Air Term. Gowen Fld

23h 08m

2 stops

LIR6:07 pmLiberia

Dec 10

LIR9:00 amLiberia

15h 50m

2 stops

BOI11:50 pmBoise Air Term. Gowen Fld

$454

Find similar

United Airlines flights from Idaho to Liberia

Our best United Airlines deals on Idaho to Liberia flight tickets

United Airlines

Feb 24

GEG5:00 amSpokane

9h 08m

1 stop

LIR4:08 pmLiberia

Mar 3

LIR12:50 pmLiberia

10h 27m

1 stop

GEG9:17 pmSpokane

$489

Find similar

United Airlines

Feb 9

GEG5:00 amSpokane

9h 08m

1 stop

LIR4:08 pmLiberia

Feb 19

LIR8:35 amLiberia

14h 32m

2 stops

GEG9:07 pmSpokane

$493

Find similar

United Airlines

Jan 18

GEG5:00 amSpokane

9h 08m

1 stop

LIR4:08 pmLiberia

Feb 2

LIR12:50 pmLiberia

10h 32m

1 stop

GEG9:22 pmSpokane

$509

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Mon 3/9

8:12 pm-6:36 am

1 stop10h 24m

Liberia

Thu 3/12

8:05 am-11:00 pm

1 stop14h 55m

$445

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Tue 2/17

5:40 am-5:58 pm

2 stops11h 18m

Liberia

Tue 3/10

11:20 am-9:30 am

2 stops22h 10m

$449

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Tue 2/24

5:00 am-4:08 pm

1 stop9h 08m

Liberia

Tue 3/3

12:50 pm-9:17 pm

1 stop10h 27m

$489

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Mon 2/9

5:00 am-4:08 pm

1 stop9h 08m

Liberia

Thu 2/19

8:35 am-9:07 pm

2 stops14h 32m

$493

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Tue 2/17

3:00 pm-12:50 pm

2 stops20h 50m

Liberia

Tue 3/10

1:20 pm-11:42 pm

1 stop10h 22m

$493

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Tue 1/20

6:00 am-2:20 pm

1 stop30h 20m

Liberia

Tue 2/3

3:13 pm-2:58 pm

2 stops25h 45m

$505

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Fri 1/16

12:55 pm-11:20 am

1 stop20h 25m

Liberia

Fri 1/30

3:05 pm-12:07 pm

2 stops23h 02m

$513

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Sat 1/10

2:52 pm-12:12 pm

2 stops20h 20m

Liberia

Sun 1/18

3:23 pm-12:07 pm

2 stops21h 44m

$518

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Fri 1/16

4:59 pm-5:01 pm

1 stop22h 02m

Liberia

Fri 1/30

11:20 am-4:19 pm

1 stop30h 59m

$717

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Sat 2/14

8:12 pm-2:25 pm

2 stops17h 13m

Liberia

Sat 2/21

3:13 pm-12:43 pm

2 stops22h 30m

$797

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Liberia

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

Other information

What is the cheapest month to fly to Liberia?

The month of January is another great option to travel to Liberia, with average flight prices from Idaho averaging around $546.

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

On average, the least expensive day to fly to Liberia from Idaho is on a Sunday. momondo users have found tickets for Sunday departures for as low as $625. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Liberia for around $780.

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

In the afternoon is the cheapest time of day to fly from Idaho to Liberia when you can find flight prices for as low as $524. Flying to Liberia in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Liberia are more costly in the morning, with an average ticket price of $780. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Idaho to Liberia flights?

You could potentially save up to 2% on your flight if you consider stops on a Idaho to Liberia flight.

Cheap Idaho to Liberia flight deals and tips

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

Direct flights	None

There are no direct flights from Idaho to Liberia. There are no popular flight routes from Idaho to Liberia.

Search flight deals

When did momondo last update prices for flights from Idaho to Liberia Airport?
Prices for flights from Idaho to Liberia Airport refresh daily.
How many operators does momondo search for flights from Idaho to Liberia Airport?
The number of operators available for flights from Idaho to Liberia Airport is 2 as of November 2025.
How old do you have to be to fly from Idaho to Liberia 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 Liberia Airport.
What documentation or ID do you need to fly to Liberia Airport?
The travel and health documents required for your trip to Liberia 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 Liberia 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 Liberia

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $429	Free Cancellation	Rating 8.0 11,259 reviews		Search Alaska Airlines flights
United Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 9,011 reviews		Search United Airlines flights

Culebra

Playa Hermosa

Coco

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Liberia from Idaho.

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

Flights from Idaho to Liberia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Liberia from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Idaho to Liberia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Liberia and let you know when they change.