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$75+ Cheap flights from Seattle (SEA) to 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Seattle to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Seattle to Idaho

Cheapest flights from Seattle to Idaho
Explore the most affordable flight options available from Seattle to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:21 pmSEA - BOI
1 stop12h 37mSpirit Airlines
Sat 12/143:45 pmBOI - SEA
2 stops9h 25mSpirit Airlines
Deal found 11/18$165
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/119:40 amSEA - GEG
1 stop4h 31mAlaska Airlines
Wed 12/185:50 pmGEG - SEA
Nonstop1h 19mAlaska Airlines
Deal found 11/18$166
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/46:45 pmSEA - BOI
Nonstop1h 26mDelta
Wed 12/115:36 amBOI - SEA
Nonstop2h 04mDelta
Deal found 11/19$167
This Delta deal was found by Cheapflights users on 11/20. 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.
Mon 12/97:50 pmSEA - GEG
Nonstop1h 20mDelta
Wed 12/116:15 amGEG - SEA
Nonstop1h 33mDelta
Deal found 11/20$167
This Orbitz deal was found by Cheapflights users on 11/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1211:29 amSEA - BOI
Nonstop1h 24mMultiple Airlines
Sat 12/143:45 pmBOI - SEA
1 stop5h 41mMultiple Airlines
Deal found 11/18$170
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Mon 12/308:34 pmSEA - BOI
Nonstop1h 22mAlaska Airlines
Thu 1/27:00 amBOI - SEA
Nonstop1h 55mAlaska Airlines
Deal found 11/18$177
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1411:56 amSEA - BOI
1 stop6h 19mUnited Airlines
Mon 12/1610:40 amBOI - SEA
1 stop5h 41mUnited Airlines
Deal found 11/19$186
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/131:35 pmSEA - JAC
1 stop6h 36mDelta
Thu 12/195:35 pmJAC - SEA
1 stop7h 53mDelta
Deal found 11/20$194
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/279:15 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
Wed 1/16:00 amIDA - SEA
Nonstop2h 17mAlaska Airlines
Deal found 11/19$208
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/57:55 pmSEA - LWS
Nonstop1h 22mDelta
Mon 12/97:00 amLWS - SEA
Nonstop1h 30mDelta
Deal found 11/19$289
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:21 pmSEA - IDA
1 stop13h 07mMultiple Airlines
Mon 12/96:25 pmIDA - SEA
3 stops30h 45mMultiple Airlines
Deal found 11/20$297
This Southwest deal was found by Cheapflights users on 11/19. 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.
Thu 12/195:40 amSEA - BOI
1 stop5h 25mSouthwest
Tue 1/76:15 amBOI - SEA
2 stops9h 30mSouthwest
Deal found 11/19$330

Find flights from Seattle to Idaho within your budget

Customize your flight search to find flights from Seattle to Idaho 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 1/29

1:45 pm-4:16 pm

Nonstop1h 31m

Boise Air Term. Gowen Fld

Tue 2/11

5:40 am-6:33 am

Nonstop1h 53m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 12/12

9:21 pm-10:58 am

1 stop12h 37m

Boise Air Term. Gowen Fld

Sat 12/14

3:45 pm-12:10 am

2 stops9h 25m

$165

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 1/29

3:59 pm-10:58 pm

1 stop5h 59m

Boise Air Term. Gowen Fld

Tue 2/11

6:10 am-6:54 am

Nonstop1h 44m

$166

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Wed 12/11

9:40 am-2:11 pm

1 stop4h 31m

Spokane

Wed 12/18

5:50 pm-7:09 pm

Nonstop1h 19m

$166

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Mon 12/9

7:50 pm-9:10 pm

Nonstop1h 20m

Spokane

Wed 12/11

6:15 am-7:48 am

Nonstop1h 33m

$167

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 12/12

11:29 am-1:53 pm

Nonstop1h 24m

Boise Air Term. Gowen Fld

Sat 12/14

3:45 pm-8:26 pm

1 stop5h 41m

$170

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 2/1

12:51 pm-3:27 pm

Nonstop1h 36m

Idaho Falls Fanning Field

Sat 2/8

4:04 pm-4:56 pm

Nonstop1h 52m

$177

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 12/14

11:56 am-7:15 pm

1 stop6h 19m

Boise Air Term. Gowen Fld

Mon 12/16

10:40 am-3:21 pm

1 stop5h 41m

$186

SeattleHailey

SEA - SUN

SEASUN

Seattle/Tacoma Intl

Mon 1/6

3:36 pm-6:15 pm

Nonstop1h 39m

Hailey Sun Valley-Friedman

Fri 1/10

10:25 am-11:14 am

Nonstop1h 49m

$187

SeattleHailey

SEA - SUN

SEASUN

Seattle/Tacoma Intl

Sat 3/1

9:45 am-12:28 pm

Nonstop1h 43m

Hailey Sun Valley-Friedman

Sat 3/8

1:25 pm-2:23 pm

Nonstop1h 58m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 51 results
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Best time to book a flight from Seattle to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Seattle 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 Seattle to Idaho

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Idaho (average of $310). Flying from Seattle to Idaho in June is currently the most expensive (average of $436). 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 SEA to ID?

Find hourly flight availability from Seattle to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Idaho as you normally would.

Weekly flight availability from Seattle to Idaho

Explore weekly flight availability from Seattle to Idaho. 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 November 20, 2024.

The most flights from SEA to USID are scheduled on a Wednesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated November 20, 2024.
Get a feel of what it's like to fly with Delta, Spirit Airlines and Alaska Airlines from Seattle to Idaho by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Seattle to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Idaho?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Idaho from Seattle.

  • How popular is this Seattle to Idaho flight route?

    This flight path from Seattle/Tacoma Intl to Idaho was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Idaho one-way?

    The cheapest airlines for a one-way flight from Seattle to Idaho are Spirit Airlines ($75), Delta ($79), and Alaska Airlines ($79).

  • What are the most popular routes from Seattle to Idaho?

    When deciding which route to take from Seattle to Idaho consider Seattle/Tacoma Intl - Spokane, Seattle/Tacoma Intl - Boise Air Term. Gowen Fld or Seattle/Tacoma Intl - Jackson Hole as they are the most popular.

  • What are the most reliable airlines from Seattle to Idaho?

    Consider Air France (99%), Korean Air (94%) or Aeromexico (93%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Idaho.

  • What are the cheapest flights from Seattle to Idaho?

    Looking for the cheapest flight from Seattle to Idaho? While on average our users pay $230, our data indicates the cheapest price to be $78. The most popular route (Seattle/Tacoma Intl - Spokane), is priced around $157.

  • Can I find deals for flights from Seattle to Idaho that include hotel bookings?

    Yes. In addition to deals on Seattle to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Idaho.

  • Can I find deals for business class flights from Seattle to Idaho?

    Yes. Cheapflights offers flight deals from Seattle to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Idaho (average of $310). Flying from Seattle to Idaho in June is currently the most expensive (average of $436). 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.

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Alternative routes for Seattle to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Seattle to Idaho

Discover the top 3 airlines that operate flights from Seattle to Idaho. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$144FlexibilityNo cancel feeOn-time65%
DeltaCheapest$117Average$409FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$141Average$312FlexibilityNo cancel feeOn-time75%
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