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Gustavus

$537+ Cheap flights from Seattle to Gustavus (SEA - GST)

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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GST
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Seattle to Gustavus

One-way flights from Seattle to Gustavus
Search for one-way flight options from Seattle to Gustavus. Find affordable one-way fares based on user searches. Data last updated October 10, 2025.

This Orbitz deal was found by Cheapflights users on 10/8. 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.
Sun 12/217:00 amSEA - GST
1 stop8h 10mMultiple Airlines
Deal found 10/8$537
This Orbitz deal was found by Cheapflights users on 10/8. 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.
Sun 12/2811:29 pmSEA - GST
1 stop10h 56mMultiple Airlines
Deal found 10/8$557
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:05 amSEA - GST
2 stops8h 20mMultiple Airlines
Deal found 10/7$709

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Gustavus 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 October 10, 2025.
Use the filters below to find and compare flights from Seattle to Gustavus that are best for you.

Fly from

Seattle

Fly to

Gustavus

Route

Depart

Return

Price

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Fri 12/26

11:29 pm-9:25 am

1 stop10h 56m

$537

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Thu 12/25

11:29 pm-9:25 am

1 stop10h 56m

$537

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Sun 12/21

7:00 am-2:10 pm

1 stop8h 10m

$537

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Tue 12/23

11:29 pm-9:25 am

1 stop10h 56m

$537

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Sun 12/28

11:29 pm-9:25 am

1 stop10h 56m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Best time to book a flight from Seattle to Gustavus

Have a flexible travel schedule? Discover the best time to fly to Gustavus 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 Gustavus

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

Currently, June is the cheapest month in which you can book a flight from Seattle to Gustavus (average of $189). Flying from Seattle to Gustavus in November is currently the most expensive (average of $377). 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.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Gustavus 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 Gustavus?

    Currently, June is the cheapest month in which you can book a flight from Seattle to Gustavus (average of $189). Flying from Seattle to Gustavus in November is currently the most expensive (average of $377). 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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