$69+ Cheap flights from Idaho to Seattle (SEA)
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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Idaho to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to Seattle
Keep the following information in mind while searching for Idaho to Seattle flight deals. Data was last updated April 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $137 (Delta) |
One-way from | $69 (Hawaiian Airlines) |
Popular in | November |
Cheapest in | October |
Average price | $217 |
Good round-trip deal | $283 or less |
Good one-way deal | $138 or less |
Find flight deals from Idaho to Seattle
Cheapest flights from Idaho to SeattleExplore the most affordable flight options available from Idaho to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.
Explore the most affordable flight options available from Idaho to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
This Gotogate deal was found by Cheapflights users on 4/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This flugladen.de deal was found by Cheapflights users on 4/25. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 4/25. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
Use the filters below to find and compare flights from Idaho to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Wed 6/4
4:59 pm-5:35 pm
Nonstop1h 36m
Seattle/Tacoma Intl
Sat 6/7
10:35 am-1:10 pm
Nonstop1h 35m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Wed 5/21
7:15 am-8:28 am
Nonstop1h 13m
Seattle/Tacoma Intl
Wed 5/28
5:34 pm-6:45 pm
Nonstop1h 11m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sat 5/17
7:45 am-8:15 am
Nonstop1h 30m
Seattle/Tacoma Intl
Sun 5/18
9:25 pm-11:45 pm
Nonstop1h 20m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Sat 5/17
9:30 am-10:39 am
Nonstop1h 09m
Seattle/Tacoma Intl
Sun 5/18
8:04 am-9:06 am
Nonstop1h 02m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sat 5/17
7:45 am-8:15 am
Nonstop1h 30m
Seattle/Tacoma Intl
Sun 5/18
6:05 am-1:37 pm
1 stop6h 32m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Wed 6/4
3:00 pm-10:30 pm
1 stop8h 30m
Seattle/Tacoma Intl
Sat 6/7
5:15 am-1:00 pm
1 stop6h 45m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Thu 5/15
2:57 pm-12:44 am
1 stop10h 47m
Seattle/Tacoma Intl
Sun 5/18
6:05 am-1:37 pm
1 stop6h 32m
HaileySeattle
SUN - SEA
SUNSEA
Hailey Sun Valley-Friedman
Thu 6/12
10:20 am-11:09 am
Nonstop1h 49m
Seattle/Tacoma Intl
Mon 6/16
7:05 am-9:38 am
Nonstop1h 33m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sat 5/17
5:39 pm-6:09 pm
Nonstop1h 30m
Seattle/Tacoma Intl
Mon 5/19
11:20 am-4:44 pm
1 stop4h 24m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Sat 5/17
5:25 pm-9:09 am
1 stop15h 44m
Seattle/Tacoma Intl
Sun 5/18
11:34 am-12:45 pm
Nonstop1h 11m
Best time to book a flight from Idaho to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Idaho with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Seattle
What is the cheapest month to book a flight from Idaho to Seattle?
Currently, January is the cheapest month in which you can book a flight from Idaho to Seattle (average of $238). Flying from Idaho to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ID to SEA?
Find hourly flight availability from Idaho to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Seattle as you normally would.
Weekly flight availability from Idaho to Seattle
Explore weekly flight availability from Idaho to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 25, 2025.
The most flights from USID to SEA are scheduled on a Thursday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 25, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Idaho to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Idaho?
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Alternative routes for Idaho to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Idaho to Seattle
Discover the top 4 airlines that operate flights from Idaho to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$164 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$117 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$177 | FlexibilityNo cancel fee | On-time85% |