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Idaho

$43+ Cheap flights from Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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What to know about flights from Idaho

Discover essential information about flights departing from Idaho, including flight schedules, destinations, airlines operating at the Idaho airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated February 11, 2026.

Good round-trip deal

$98 or less

Good one-way deal

$73 or less
Price to beat on a round-trip flight from Idaho.
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Price to beat on a one-way flight from Idaho.
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Find flights from Idaho

Cheapest flights from Idaho
Explore the most affordable flight options available from Idaho. Find the lowest fares based on data from user searches, with prices last updated on February 11, 2026.

This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:15 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/10$98
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:38 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Sun 3/89:10 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/9$107
This Booking.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Thu 4/26:03 pm
LAS
-
GEG
Nonstop2h 26m
Allegiant Air
Deal found 2/11$107
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
-
DEN
Nonstop2h 00m
Frontier
Thu 3/59:41 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/9$111
This Booking.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:12 pm
GEG
-
LAS
Nonstop2h 21m
Allegiant Air
Thu 3/266:07 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Deal found 2/11$113
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:15 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/8$115
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Sun 3/19:01 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/8$117
This Booking.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:15 pm
GEG
-
LAS
Nonstop2h 21m
Allegiant Air
Thu 3/56:05 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Deal found 2/10$119
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:56 am
BOI
-
DEN
Nonstop2h 00m
Frontier
Sun 3/19:01 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/9$121
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:19 pm
GEG
-
LAS
Nonstop2h 16m
Allegiant Air
Thu 4/236:03 pm
LAS
-
GEG
Nonstop2h 26m
Allegiant Air
Deal found 2/10$123
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:45 pm
GEG
-
LAS
Nonstop2h 15m
Allegiant Air
Thu 6/45:36 pm
LAS
-
GEG
Nonstop2h 21m
Allegiant Air
Deal found 2/11$127
This Booking.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:56 am
BOI
-
DEN
Nonstop2h 00m
Frontier
Thu 3/59:41 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 2/9$128

Find flights from Idaho within your budget

 
Find flights departing from Idaho that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on February 11, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 4/6

6:00 am-6:50 am

Nonstop1h 50m

Las Vegas Harry Reid Intl

Thu 4/9

7:05 am-1:25 pm

1 stop5h 20m

$147

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Sat 3/7

7:30 am-8:25 am

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 3/8

7:15 am-9:54 am

Nonstop1h 39m

$147

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 4/15

7:20 am-9:51 am

1 stop27h 31m

Seattle/Tacoma Intl

Thu 4/16

1:03 pm-3:29 pm

Nonstop1h 26m

$147

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 3/5

8:50 am-9:46 am

Nonstop1h 56m

Seattle/Tacoma Intl

Tue 3/10

9:20 pm-11:44 pm

Nonstop1h 24m

$147

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 3/26

9:00 am-9:49 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 3/28

7:15 am-9:55 am

Nonstop1h 40m

$147

BoiseLos Angeles

BOI - LAX

BOILAX

Boise Air Term. Gowen Fld

Wed 4/15

7:11 am-8:30 am

Nonstop2h 19m

Los Angeles

Sat 4/18

4:21 pm-7:39 pm

Nonstop2h 18m

$157

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 4/14

4:05 pm-11:35 pm

1 stop8h 30m

Seattle/Tacoma Intl

Wed 4/15

5:35 pm-12:25 am

1 stop5h 50m

$157

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 4/1

6:00 am-8:20 am

1 stop3h 20m

Las Vegas Harry Reid Intl

Sat 4/4

6:00 am-1:05 pm

1 stop6h 05m

$157

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 4/3

10:25 am-3:49 pm

1 stop6h 24m

Las Vegas Harry Reid Intl

Sun 4/5

6:00 am-1:05 pm

1 stop6h 05m

$157

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 4/9

4:40 pm-5:22 pm

Nonstop1h 42m

Seattle/Tacoma Intl

Sun 4/12

10:35 am-1:05 pm

Nonstop1h 30m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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Best time to book a flight from Idaho

Have a flexible travel schedule? Discover the best time to fly from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Idaho

Get recent, data-driven insights about flights from Idaho including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Idaho?

Currently, June is the cheapest month in which you can book a flight from Idaho (average of $100). Flying from Idaho in March will prove the most costly (average of $175). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Idaho?

For flights departing from Idaho check dates and pricing for the following: American Airlines, Southwest, Alaska Airlines, Delta, Hawaiian Airlines. These airlines depart to the following popular destinations: Phoenix.

Delta
Delta
From $78
United Airlines
United Airlines
From $108
Alaska Airlines
Alaska Airlines
From $97
American Airlines
American Airlines
From $108

What is the cheapest place to fly to from Idaho?

The cheapest city to fly to from Idaho is Phoenix Sky Harbor Intl, with prices starting at $41. Explore other affordable destinations below.

Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From $41
San Jose
San Jose
From $46
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $51
Portland
Portland
From $55

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Related info for your journey

Access useful and relevant information related to your journey from Idaho. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated February 11, 2026.

  • What is the cheapest month to fly from Idaho?

    June is currently the cheapest month to fly from Idaho. At this moment in time March is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Idaho?

    Check out the cheapest flights from Idaho to embark to:
    Fly from Boise to Las Vegas from $127 round trip
    Fly from Boise to Santa Ana from $133 round trip
    Fly from Boise to Portland from $137 round trip
    Fly from Boise to Ontario from $137 round trip
    Fly from Boise to Seattle from $147 round trip

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