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Big Sky

$77+ Cheap flights from Seattle (SEA) to Big Sky, MT

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Big Sky are usually found in April or January, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Seattle to Big Sky

Keep the following information in mind while searching for Seattle to Big Sky flight deals. Data was last updated June 12, 2025.

Round-trip from

$177
(Delta)

One-way from

$77
(Trip.com)

Popular in

October

Cheapest in

April

Average price

$257
From Seattle/Tacoma Intl to Big Sky
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One-way flight from Seattle/Tacoma Intl to Big Sky
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Seattle to Big Sky

Cheapest flights from Seattle to Big Sky
Explore the most affordable flight options available from Seattle to Big Sky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/167:56 amSEA - BZN
1 stop4h 18mAlaska Airlines
Tue 9/231:54 pmBZN - SEA
1 stop4h 56mAlaska Airlines
Deal found 6/10$176
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 9/131:55 pmSEA - BZN
Nonstop1h 43mDelta
Sat 9/205:30 pmBZN - SEA
Nonstop2h 13mDelta
Deal found 6/12$177
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:05 amSEA - BZN
1 stop7h 30mUnited Airlines
Tue 11/114:35 pmBZN - SEA
1 stop7h 35mUnited Airlines
Deal found 6/11$232
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 9/36:15 amSEA - BZN
2 stops9h 35mSouthwest
Tue 9/95:45 pmBZN - SEA
1 stop6h 25mSouthwest
Deal found 6/11$238
This CheapTicketsDeal deal was found by Cheapflights users on 6/9. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:00 amSEA - BZN
Nonstop1h 36mHawaiian Airlines
Sun 8/107:25 pmBZN - SEA
Nonstop2h 10mHawaiian Airlines
Deal found 6/9$246
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/253:48 pmSEA - BZN
Nonstop1h 43mMultiple Airlines
Fri 8/13:00 pmBZN - SEA
Nonstop1h 59mMultiple Airlines
Deal found 6/10$256

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Big Sky 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to Big Sky that are best for you.

Fly from

Seattle

Fly to

Big Sky

Route

Depart

Return

Price

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Sat 8/30

5:30 am-10:49 am

1 stop4h 19m

Bozeman Gallatin Field

Wed 9/3

11:56 am-12:59 pm

Nonstop2h 03m

$177

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Wed 8/27

7:56 am-1:14 pm

1 stop4h 18m

Bozeman Gallatin Field

Wed 9/3

1:54 pm-4:43 pm

1 stop3h 49m

$196

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Fri 8/22

3:45 pm-6:28 pm

Nonstop1h 43m

Bozeman Gallatin Field

Mon 8/25

7:23 pm-8:35 pm

Nonstop2h 12m

$197

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Wed 9/3

6:15 am-4:50 pm

2 stops9h 35m

Bozeman Gallatin Field

Tue 9/9

5:45 pm-11:10 pm

1 stop6h 25m

$238

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Fri 7/25

3:48 pm-6:31 pm

Nonstop1h 43m

Bozeman Gallatin Field

Fri 8/1

3:00 pm-3:59 pm

Nonstop1h 59m

$256

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Sun 7/13

5:10 am-12:34 pm

1 stop6h 24m

Bozeman Gallatin Field

Wed 7/16

4:32 pm-10:59 pm

1 stop7h 27m

$289

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Wed 8/13

3:48 pm-6:31 pm

Nonstop1h 43m

$77

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Wed 8/20

11:27 am-2:14 pm

Nonstop1h 47m

$79

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Wed 8/20

5:30 am-10:49 am

1 stop4h 19m

$89

SeattleBozeman

SEA - BZN

SEABZN

Seattle/Tacoma Intl

Sat 7/12

5:30 pm-1:46 pm

1 stop19h 16m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
1
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Best time to book a flight from Seattle to Big Sky

Have a flexible travel schedule? Discover the best time to fly to Big Sky 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Big Sky

How far ahead should I book a flight from Seattle to Big Sky?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Big Sky. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Big Sky, you should look to book at least 78 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 Seattle to Big Sky?

Currently, October is the cheapest month in which you can book a flight from Seattle to Big Sky (average of $371). Flying from Seattle to Big Sky in May is currently the most expensive (average of $479). 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 BS1?

Find hourly flight availability from Seattle to Big Sky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

What is the cheapest day to fly from Seattle to Big Sky?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Big Sky. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Big Sky flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Big Sky

Explore weekly flight availability from Seattle to Big Sky. 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 June 12, 2025.

The most flights from SEA to BS1 are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Big Sky by month

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

In terms of precipitation, rainfall in Big Sky ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Big Sky when rainfall is around 0.4 in.

Temperature in Big Sky by month

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

If weather is an important factor for your trip to Big Sky, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Big Sky

Get insights into the airlines that provide service to Big Sky. 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 Big Sky. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Big Sky to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Big Sky. 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 Big Sky?

    If you book a flight to Big Sky from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 11 flights from Seattle/Tacoma Intl to Big Sky per day from 3 different airlines.

  • How popular is this Seattle to Big Sky flight route?

    Flights from Seattle/Tacoma Intl to Big Sky have been viewed 5 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from Seattle to Big Sky are Hawaiian Airlines ($77), Alaska Airlines ($79), and Delta ($89).

  • What are the most reliable airlines from Seattle to Big Sky?

    Consider Horizon Air (90%), Finnair (86%) or British Airways (84%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Big Sky.

  • What are the cheapest flights from Seattle to Big Sky?

    Looking for the cheapest flight from Seattle to Big Sky? While on average our users pay $210, our data indicates the cheapest price to be $88. The most popular route (Seattle/Tacoma Intl - Bozeman Gallatin Field), is priced around $157.

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

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

  • How can I find direct flights from Seattle to Big Sky?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Big Sky 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 Big Sky?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Big Sky (average of $371). Flying from Seattle to Big Sky in May is currently the most expensive (average of $479). 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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Top 3 airlines flying from Seattle to Big Sky

Discover the top 3 airlines that operate flights from Seattle to Big Sky. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$443FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$143Average$257FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$279FlexibilityNo cancel feeOn-time75%

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