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 WA to GST?

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

What airport do you fly into for flights to Gustavus from Washington?

Most people fly into Gustavus Arpt (GST) if they book a flight to Gustavus from Washington. Gustavus Arpt is conveniently located just 1.2 mi from Gustavus’s city center.

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

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

How can I find direct flights from Washington to Gustavus?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$419+ Flights from Washington to Gustavus

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Cheap flight deals from Washington to Gustavus

Round-trip from	$669 (Alaska Airlines)
One-way from	$419 (Alaska Airlines)

From Washington to Gustavus Arpt

Search Deals

One-way flight from Washington to Gustavus Arpt

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Find flight deals from Washington to Gustavus

Cheapest flights from Washington to Gustavus
Explore the most affordable flight options available from Washington to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 8/157:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Tue 8/195:35 pmGST - SEA

1 stop13h 51mAlaska Airlines

Deal found 7/31

$669

Best flights from Washington to Gustavus
Discover carefully curated flight deals from Washington to Gustavus that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 8/157:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Tue 8/195:35 pmGST - SEA

1 stop13h 51mAlaska Airlines

Deal found 7/31

$669

Last-minute flights from Washington to Gustavus
Discover last-minute flight deals from Washington to Gustavus. Data last updated July 31, 2025 and is based on user searches.

Fri 8/157:00 amSEA - GST

1 stop10h 41mAlaska Airlines

Tue 8/195:35 pmGST - SEA

1 stop13h 51mAlaska Airlines

Deal found 7/31

$669

One-way flights from Washington to Gustavus
Search for one-way flight options from Washington to Gustavus. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Sat 8/99:55 amSEA - GST

1 stop7h 46mAlaska Airlines

Deal found 7/30

$419

Fly from

Fly to

Route

Depart

Return

Price

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Fri 8/15

7:00 am-4:41 pm

1 stop10h 41m

Gustavus Arpt

Tue 8/19

5:35 pm-8:26 am

1 stop13h 51m

$669

SeattleGustavus

SEA - GST

SEAGST

Seattle/Tacoma Intl

Sat 8/9

9:55 am-4:41 pm

1 stop7h 46m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Washington to Gustavus

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

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

Reviews of airlines servicing Gustavus

See what other customers who have flown with Alaska Airlines from Washington to Gustavus have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What airport do you fly into for flights to Gustavus from Washington?
Most people fly into Gustavus Arpt (GST) if they book a flight to Gustavus from Washington. Gustavus Arpt is conveniently located just 1.2 mi from Gustavus’s city center.
Can I find deals for flights from Washington to Gustavus that include hotel bookings?
Yes. In addition to deals on Washington to Gustavus flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Gustavus?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Gustavus.
Can I find deals for business class flights from Washington to Gustavus?
Yes. Cheapflights offers flight deals from Washington 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.

See more FAQs

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$419+ Cheap flights from Washington to Gustavus (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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington 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 Washington to Gustavus

Keep the following information in mind while searching for Washington to Gustavus flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Find flight deals from Washington to Gustavus

Cheapest flights from Washington to GustavusExplore the most affordable flight options available from Washington to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Washington to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Gustavus

Have a flexible travel schedule? Discover the best time to fly to Gustavus from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Gustavus

Reviews of airlines servicing Gustavus

See what other customers who have flown with Alaska Airlines from Washington to Gustavus have to say. You can also see how each airline compares 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 Washington to Gustavus. 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 into for flights to Gustavus from Washington?

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

How can I find direct flights from Washington to Gustavus?

Can I find deals for business class flights from Washington 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 Washington to Gustavus

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Cheapest flights from Washington to Gustavus
Explore the most affordable flight options available from Washington to Gustavus. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.