HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$39+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAS
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 March 29, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 4/17

7:55 pm-11:05 pm

1 stop4h 10m

Las Vegas Harry Reid Intl

Wed 4/22

6:25 am-2:40 pm

2 stops7h 15m

$162

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 6/5

5:30 am-8:40 am

1 stop4h 10m

Las Vegas Harry Reid Intl

Mon 6/8

12:30 pm-7:05 pm

2 stops5h 35m

$168

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 4/29

5:40 am-6:28 am

Nonstop1h 48m

Seattle/Tacoma Intl

Wed 5/13

9:00 am-11:35 am

Nonstop1h 35m

$177

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 4/15

6:00 am-6:45 am

Nonstop1h 45m

Las Vegas Harry Reid Intl

Sat 4/18

6:30 pm-11:15 pm

1 stop3h 45m

$180

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 5/5

2:57 pm-8:00 pm

1 stop6h 03m

Las Vegas Harry Reid Intl

Wed 5/6

2:13 pm-5:16 pm

Nonstop2h 03m

$184

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Sat 5/9

6:10 am-7:40 am

Nonstop1h 30m

Seattle/Tacoma Intl

Sun 5/10

7:25 am-8:45 am

Nonstop1h 20m

$197

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Thu 4/30

3:12 pm-4:30 pm

Nonstop1h 18m

Seattle/Tacoma Intl

Sun 5/3

7:40 am-9:01 am

Nonstop1h 21m

$197

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Sun 5/10

11:05 am-12:29 pm

Nonstop1h 24m

Seattle/Tacoma Intl

Sun 5/17

5:30 pm-6:43 pm

Nonstop1h 13m

$197

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Fri 5/8

7:23 pm-8:50 pm

Nonstop1h 27m

Seattle/Tacoma Intl

Sun 5/10

9:35 pm-10:51 pm

Nonstop1h 16m

$197

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Mon 5/11

7:23 pm-8:50 pm

Nonstop1h 27m

Seattle/Tacoma Intl

Mon 5/18

9:35 pm-10:51 pm

Nonstop1h 16m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Idaho (average of $46). Flying from Idaho in February will prove the most costly (average of $112). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Idaho?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Las Vegas. Price data was last updated on March 28, 2026.

Those who are seeking the cheapest fare on flights departing from Idaho would be wise to consider leaving during Sunday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Thursday mornings when fares are usually the most expensive.

Which airlines fly from Idaho?

For flights departing from Idaho check dates and pricing for the following: Southwest, Allegiant Air, Alaska Airlines, Spirit Airlines, Delta. These airlines depart to the following popular destinations: Las Vegas.

Delta
Delta
From $68
United Airlines
United Airlines
From $108
Alaska Airlines
Alaska Airlines
From $99
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 Las Vegas Harry Reid Intl, with prices starting at $55. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $55
San Diego
San Diego
From $63
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From $74
Oakland
Oakland
From $78

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 29, 2026.

  • What is the cheapest month to fly from Idaho?

    September is currently the cheapest month to fly from Idaho. At this moment in time February 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 San Francisco from $129 round trip
    Fly from Boise to Las Vegas from $131 round trip
    Fly from Boise to San Jose from $131 round trip
    Fly from Boise to Santa Ana from $133 round trip
    Fly from Boise to San Diego from $141 round trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.