$66+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Idaho within your budget
Fly to
Route
Depart
Return
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sat 5/30
8:51 pm-9:29 pm
Nonstop1h 38m
Seattle/Tacoma Intl
Wed 6/3
9:29 pm-11:58 pm
Nonstop1h 29m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Fri 6/5
9:18 pm-10:05 pm
Nonstop1h 47m
Seattle/Tacoma Intl
Sun 6/7
8:35 am-11:15 am
Nonstop1h 40m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Sat 6/6
5:00 am-6:08 am
Nonstop1h 08m
Seattle/Tacoma Intl
Tue 6/9
11:45 am-1:04 pm
Nonstop1h 19m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Tue 6/2
7:25 am-8:45 am
Nonstop1h 20m
Seattle/Tacoma Intl
Sat 6/6
7:25 am-8:43 am
Nonstop1h 18m
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Sat 6/6
2:38 pm-3:37 pm
Nonstop1h 59m
Las Vegas Harry Reid Intl
Tue 6/9
2:32 pm-5:32 pm
Nonstop2h 00m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Sat 5/30
5:37 pm-7:05 pm
Nonstop1h 28m
Seattle/Tacoma Intl
Sun 5/31
9:35 pm-10:51 pm
Nonstop1h 16m
BoiseLas Vegas
BOI - LAS
BOILAS
Boise Air Term. Gowen Fld
Tue 6/2
2:00 pm-2:50 pm
Nonstop1h 50m
Las Vegas Harry Reid Intl
Thu 6/4
6:05 pm-12:20 am
1 stop5h 15m
SpokaneLos Angeles
GEG - LAX
GEGLAX
Spokane
Sun 5/31
5:00 am-9:15 am
1 stop4h 15m
Los Angeles Los Angeles
Fri 6/5
7:35 pm-1:20 am
1 stop5h 45m
BoiseLos Angeles
BOI - LAX
BOILAX
Boise Air Term. Gowen Fld
Sat 5/30
7:33 pm-8:57 pm
Nonstop2h 24m
Los Angeles Los Angeles
Wed 6/3
8:00 am-3:34 pm
1 stop6h 34m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Tue 7/21
4:05 pm-11:10 pm
2 stops8h 05m
Seattle/Tacoma Intl
Tue 8/4
9:25 am-4:10 pm
1 stop5h 45m
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.
Travel insights for flights from Idaho
Get recent, data-driven insights about flights from Idaho including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Idaho?
To ensure you get the cheapest price possible for a flight from Idaho, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Idaho?
Currently, March is the cheapest month in which you can book a flight from Idaho (average of $59). Flying from Idaho in July will prove the most costly (average of $119). 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 Seattle. Price data was last updated on May 9, 2026.
Those who are seeking the cheapest fare on flights departing from Idaho would be wise to consider leaving during Thursday at noon when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday evenings when fares are usually the most expensive.
Which airlines fly from Idaho?
For flights departing from Idaho check dates and pricing for the following: Alaska Airlines, Delta, Hawaiian Airlines. These airlines depart to the following popular destinations: Seattle.
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 $54. Explore other affordable destinations below.