In terms of precipitation, rainfall in Gustavus ranges from 2.7 - 8.2 inches per month. October is typically the wettest month, when rainfall can reach 8.2 in. April is typically the driest time to visit Gustavus when rainfall is around 2.7 in.

If weather is an important factor for your trip to Gustavus, 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 55.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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

When flying from Seattle to Gustavus, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$284+ Flights from Seattle to Gustavus

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Cheap flight deals from Seattle to Gustavus

Round-trip from	$709 (Alaska Airlines)
One-way from	$284 (Alaska Airlines)

From Seattle/Tacoma Intl to Gustavus Arpt

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One-way flight from Seattle/Tacoma Intl to Gustavus Arpt

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Find flight deals from Seattle to Gustavus

Cheapest flights from Seattle to Gustavus
Explore the most affordable flight options available from Seattle to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 7/167:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Sun 7/205:35 pmGST - SEA

1 stop10h 48mAlaska Airlines

Deal found 6/30

$709

Best flights from Seattle to Gustavus
Discover carefully curated flight deals from Seattle to Gustavus that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 7/167:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Sun 7/205:35 pmGST - SEA

1 stop10h 48mAlaska Airlines

Deal found 6/30

$709

Last-minute flights from Seattle to Gustavus
Discover last-minute flight deals from Seattle to Gustavus. Data last updated July 3, 2025 and is based on user searches.

Wed 7/167:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Sun 7/205:35 pmGST - SEA

1 stop10h 48mAlaska Airlines

Deal found 6/30

$709

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 July 3, 2025.

Wed 8/61:40 pmSEA - GST

1 stop4h 01mAlaska Airlines

Deal found 6/30

$284

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Gustavus that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Wed 7/16

7:00 am-4:41 pm

1 stop10h 41m

Gustavus Arpt

Sun 7/20

5:35 pm-5:23 am

1 stop10h 48m

$709

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Wed 8/6

1:40 pm-4:41 pm

1 stop4h 01m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

Reviews of airlines servicing Gustavus

Peruse reviews from past customers who have flown with Alaska Airlines from Seattle to Gustavus 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

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

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

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.

Browse thousands of different options on Cheapflights for your next trip

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$284+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Gustavus with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Gustavus

Round-trip from

One-way from

Find flight deals from Seattle to Gustavus

Cheapest flights from Seattle to GustavusExplore the most affordable flight options available from Seattle to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Seattle to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Gustavus that are best for you.

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.

Reviews of airlines servicing Gustavus

Peruse reviews from past customers who have flown with Alaska Airlines from Seattle to Gustavus 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.

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?

How can I find direct flights from Seattle to Gustavus?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Gustavus

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Travel Smart

Cheapest flights from Seattle to Gustavus
Explore the most affordable flight options available from Seattle to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.