Cheap flights from Seattle (SEA) to Idaho from $59

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BOI
Jun 18 — Jun 251

How far in advance should I book a flight from Seattle to Idaho?

To save on the cost of your flight from Seattle to Idaho, book at least 51 days before your planned departure. Booking around this time can save you about 199% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $296 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $487.

What is the cheapest month to fly from Seattle to Idaho?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Idaho. Flights to Idaho from Seattle in September are about $210 on average during September, but can be found for as low as $118.

What is the cheapest time of day to fly from SEA to ID?

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.

Cheap Seattle to Idaho flights in June & July 2024

Find cheap flight options from Seattle to Idaho specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
These are some of the most attractive deals on flights from Seattle to Idaho in 2024. Check back regularly for other flight deals.
Thu 7/259:40 pmSEA - GEG
Nonstop1h 08mDelta
Tue 8/135:38 pmGEG - SEA
Nonstop1h 19mDelta
Deal found 6/12$157
Fri 7/1210:50 pmSEA - GEG
Nonstop1h 08mAlaska Airlines
Mon 7/155:32 pmGEG - SEA
Nonstop1h 12mAlaska Airlines
Deal found 6/13$169
Fri 7/267:50 pmSEA - LWS
Nonstop1h 16mDelta
Sun 7/287:11 amLWS - SEA
Nonstop1h 21mDelta
Deal found 6/12$169
Wed 7/103:38 pmSEA - GEG
Nonstop1h 04mAlaska Airlines
Wed 7/106:55 pmGEG - SEA
Nonstop1h 08mAlaska Airlines
Deal found 6/12$171
Thu 7/253:38 pmSEA - GEG
Nonstop1h 04mAlaska Airlines
Tue 8/131:50 pmGEG - SEA
1 stop4h 01mAlaska Airlines
Deal found 6/12$176
Thu 7/259:25 pmSEA - BOI
Nonstop1h 27mDelta
Thu 8/16:00 amBOI - SEA
Nonstop1h 40mDelta
Deal found 6/12$177
Fri 7/57:25 amSEA - GEG
Nonstop1h 13mDelta
Sat 7/66:12 amGEG - SEA
Nonstop1h 18mDelta
Deal found 6/11$177
Mon 7/83:38 pmSEA - BOI
1 stop3h 50mMultiple Airlines
Thu 7/1112:49 pmBOI - SEA
1 stop5h 43mMultiple Airlines
Deal found 6/11$178
Thu 7/1110:25 amSEA - GEG
Nonstop1h 21mDelta
Sun 7/146:13 amGEG - SEA
Nonstop1h 17mDelta
Deal found 6/13$178

Seattle to Idaho 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Idaho in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
These are some of the most attractive deals on flights from Seattle to Idaho in 2024. Check back regularly for other flight deals.
Wed 8/216:18 pmSEA - GEG
Nonstop1h 04mAlaska Airlines
Tue 8/274:54 pmGEG - SEA
1 stop4h 01mAlaska Airlines
Deal found 6/13$154
Tue 8/137:45 pmSEA - GEG
1 stop3h 11mAlaska Airlines
Wed 8/145:00 amGEG - SEA
Nonstop1h 12mAlaska Airlines
Deal found 6/12$156
Sun 8/116:20 amSEA - GEG
Nonstop1h 10mDelta
Wed 8/146:13 amGEG - SEA
Nonstop1h 17mDelta
Deal found 6/12$157
Thu 8/157:50 pmSEA - GEG
Nonstop1h 04mAlaska Airlines
Sun 8/1811:40 amGEG - SEA
Nonstop1h 11mAlaska Airlines
Deal found 6/11$167
Wed 8/217:45 pmSEA - GEG
1 stop3h 08mAlaska Airlines
Tue 8/274:54 pmGEG - SEA
1 stop2h 55mAlaska Airlines
Deal found 6/13$168
Fri 7/1210:50 pmSEA - GEG
Nonstop1h 08mAlaska Airlines
Mon 7/155:32 pmGEG - SEA
Nonstop1h 12mAlaska Airlines
Deal found 6/13$169
Fri 7/267:50 pmSEA - LWS
Nonstop1h 16mDelta
Sun 7/287:11 amLWS - SEA
Nonstop1h 21mDelta
Deal found 6/12$169
Wed 7/103:38 pmSEA - GEG
Nonstop1h 04mAlaska Airlines
Wed 7/106:55 pmGEG - SEA
Nonstop1h 08mAlaska Airlines
Deal found 6/12$171
Sat 8/246:45 amSEA - BOI
1 stop5h 08mAlaska Airlines
Thu 8/298:58 pmBOI - SEA
Nonstop1h 32mAlaska Airlines
Deal found 6/12$176

Seattle to Idaho flights leaving soon

Find last-minute flight options from Seattle to Idaho for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Users seeking a last-minute flight from Seattle to Idaho should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 6/209:28 amSEA - BOI
1 stop8h 09mSpirit Airlines
Sun 6/237:19 pmBOI - SEA
1 stop14h 13mSpirit Airlines
Deal found 6/11$230
Sat 6/228:47 amSEA - BOI
1 stop10h 36mSpirit Airlines
Mon 6/249:13 pmBOI - SEA
1 stop12h 46mSpirit Airlines
Deal found 6/12$249
Thu 6/209:28 amSEA - BOI
1 stop8h 09mSpirit Airlines
Sat 6/229:13 pmBOI - SEA
1 stop12h 19mSpirit Airlines
Deal found 6/13$264
Fri 6/217:30 pmSEA - BOI
Nonstop1h 25mMultiple Airlines
Sun 6/237:19 pmBOI - SEA
1 stop14h 13mMultiple Airlines
Deal found 6/11$269
Sat 6/229:50 amSEA - BOI
Nonstop1h 24mMultiple Airlines
Mon 6/249:13 pmBOI - SEA
1 stop12h 46mMultiple Airlines
Deal found 6/11$277
Wed 6/1911:30 amSEA - GEG
Nonstop1h 09mAlaska Airlines
Wed 6/2611:40 amGEG - SEA
Nonstop1h 11mAlaska Airlines
Deal found 6/12$277
Wed 6/192:15 pmSEA - BOI
Nonstop1h 25mMultiple Airlines
Mon 6/249:13 pmBOI - SEA
1 stop12h 46mMultiple Airlines
Deal found 6/12$278
Fri 6/218:59 pmSEA - BOI
1 stop14h 54mSpirit Airlines
Sun 6/237:19 pmBOI - SEA
1 stop14h 13mSpirit Airlines
Deal found 6/11$280
Thu 6/209:28 amSEA - BOI
1 stop9h 55mSpirit Airlines
Sat 6/229:13 pmBOI - SEA
1 stop12h 19mSpirit Airlines
Deal found 6/13$282

One-way flights to Idaho from Seattle

Search for one-way flight options from Seattle to Idaho. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Take a look at some of the best available options we've come across on one-way flights from Seattle to Idaho. For those needing a return trip from Seattle, there is a search form available above.
Mon 9/99:50 pmSEA - BOI
1 stop12h 32mSpirit Airlines
Deal found 6/12$59
Tue 9/109:50 pmSEA - BOI
1 stop12h 32mSpirit Airlines
Deal found 6/12$60
Tue 7/305:10 amSEA - BOI
1 stop11h 20mSpirit Airlines
Deal found 6/11$61
Sat 7/135:10 amSEA - BOI
1 stop6h 03mSpirit Airlines
Deal found 6/12$67
Tue 7/29:49 amSEA - BOI
1 stop9h 34mSpirit Airlines
Deal found 6/13$68
Tue 9/101:55 pmSEA - BOI
Nonstop1h 36mDelta
Deal found 6/11$69
Sat 10/512:40 pmSEA - GEG
Nonstop1h 10mDelta
Deal found 6/12$69
Mon 7/18:59 pmSEA - BOI
1 stop22h 24mSpirit Airlines
Deal found 6/12$74
Sat 7/135:10 amSEA - BOI
1 stop6h 03mSpirit Airlines
Deal found 6/12$75

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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$121 - $256

Route

Depart

Return

Price

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 8/6

1 stop13h 03m

Boise Air Term. Gowen Fld

Wed 8/21

1 stop7h 21m

$121

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 9/27

1 stop12h 32m

Boise Air Term. Gowen Fld

Wed 10/2

1 stop9h 30m

$125

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 7/12

1 stop10h 12m

Boise Air Term. Gowen Fld

Tue 7/16

1 stop7h 15m

$127

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 9/27

1 stop12h 32m

Boise Air Term. Gowen Fld

Wed 10/2

Nonstop1h 36m

$136

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 10/1

Nonstop1h 36m

Boise Air Term. Gowen Fld

Wed 10/9

Nonstop1h 41m

$137

Seattle/Tacoma IntlSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Tue 8/13

Nonstop1h 11m

Spokane

Wed 8/14

Nonstop1h 17m

$137

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 7/12

Nonstop1h 25m

Boise Air Term. Gowen Fld

Tue 7/16

1 stop7h 57m

$149

Seattle/Tacoma IntlSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Tue 8/13

1 stop3h 11m

Spokane

Wed 8/14

Nonstop1h 12m

$156

Seattle/Tacoma IntlBoise Air Term. Gowen Fld

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sun 9/1

1 stop6h 10m

Boise Air Term. Gowen Fld

Fri 9/6

1 stop8h 53m

$256

Flights are sorted by cheapest first

Deals found on 6/12

No data available for this route at this time. Please check back soon.

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.

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 June 13, 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.
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

8.1
Very good
9,272 reviews
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

8.0
Very good
10,000 reviews
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.4
Good
10,000 reviews
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.3
Good
10,000 reviews
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.3
Good
579 reviews
8.1
Very good
9,272 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

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.

  • Can I find flights from Seattle to Idaho for under $200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Idaho for under $200. The cheapest flight booked recently is on Spirit Airlines for just $121, but on average you can expect to pay $144.

  • Are there nonstop flights from Seattle to Idaho for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Idaho under $200. A good price for a nonstop flight from Seattle to Idaho is less than $188.

  • Are there last-minute flights available from Seattle to Idaho for under $300?

    There are currently 20+ open flights from Seattle to Idaho within the next 7 days for less than $300.

  • What days are nonstop flights available from Seattle to Idaho?

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How popular is this Seattle to Idaho flight route?

  • How many flights depart from Seattle to Idaho on average per day?

    On average, you can expect to see 37 flights from Seattle to Idaho a day.
    Morning (6am - Noon) - 54% of flight departures
    Afternoon (Noon - 6pm) - 30% of flight departures
    Evening (6pm - Midnight) - 16% of flight departures

  • How long is the flight from Seattle to Idaho?

    A quick flight from Seattle to Idaho can take about 1h 36m. Spirit Airlines provides one of the quickest options available for as low as $121. The distance from Seattle to Idaho is about 400 mi. This flight may include one or multiple stops.

  • 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 ($59), Delta ($69), and Alaska Airlines ($79).

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

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

    Consider Japan Airlines (93%), Aeromexico (93%) or Horizon Air (92%) 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 $192, our data indicates the cheapest price to be $98. The most popular route (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), is priced around $118.

  • What does SEA to BOI mean?

    SEA and BOI are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to BOI refers to a flight route from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport. Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Twin Falls Joslin Airport (TWF), Pocatello Airport (PIH) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Seattle to Idaho that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Idaho flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Idaho with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Idaho flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to Idaho that allow pets onboard?

    Many airlines flying from Seattle to Idaho offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Idaho?

    Yes, you can often find last-minute deals on Seattle to Idaho flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Idaho flight deals updated?

    The Seattle to Idaho flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from Seattle to Idaho?

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

    Currently, December is the cheapest month in which you can book a flight from Seattle to Idaho (average of $314). Flying from Seattle to Idaho in June is currently the most expensive (average of $458). 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.

See more FAQs

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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.

Top 4 airlines flying from Seattle to Idaho

Discover the top 4 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$86Average$154FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$102Average$295FlexibilityNo cancel feeOn-time75%
DeltaCheapest$118Average$447FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$199Average$274FlexibilityNo cancel feeOn-time71%

Search flights from Seattle to Idaho by cabin class

Find flights from Seattle to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Seattle to Idaho

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 June 13, 2024.
1%of flight departuresEarly morningMidnight to 6 am
17%of flight departuresMorning6 am to noon
44%of flight departuresAfternoonNoon to 6 pm
38%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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