$244 Cheap Flights from St. Louis (STL) to Juneau (JNU)

View $244 flight on Mon, Jun 16, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Juneau, AK (JNU-Juneau Intl.)

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Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Juneau (STL-JNU)

Prices were available within the past 7 days and start at $244 for one-way flights and $473 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 10 - Sun, Jun 15
STL
St. Louis
JNU
Juneau
$473 Roundtrip, found 2 days ago
$473
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 10 from St. Louis to Juneau, returning Sun, Jun 15, priced at $473 found 2 days ago
Delta
Tue, Jun 10 - Sat, Jun 21
STL
St. Louis
JNU
Juneau
$483 Roundtrip, found 2 days ago
$483
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 10 from St. Louis to Juneau, returning Sat, Jun 21, priced at $483 found 2 days ago
Delta
Mon, Jun 16 - Mon, Jun 30
STL
St. Louis
JNU
Juneau
$485 Roundtrip, found 6 days ago
$485
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jun 16 from St. Louis to Juneau, returning Mon, Jun 30, priced at $485 found 6 days ago
Delta
Mon, Sep 15 - Tue, Sep 30
STL
St. Louis
JNU
Juneau
$493 Roundtrip, found 17 hours ago
$493
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Sep 15 from St. Louis to Juneau, returning Tue, Sep 30, priced at $493 found 17 hours ago
Delta
Fri, Jun 13 - Sun, Jun 15
STL
St. Louis
JNU
Juneau
$507 Roundtrip, found 2 days ago
$507
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jun 13 from St. Louis to Juneau, returning Sun, Jun 15, priced at $507 found 2 days ago
Delta
Tue, Jun 10 - Sat, Jun 28
STL
St. Louis
JNU
Juneau
$510 Roundtrip, found 6 days ago
$510
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jun 10 from St. Louis to Juneau, returning Sat, Jun 28, priced at $510 found 6 days ago
Delta
Mon, Jun 16 - Sat, Jun 28
STL
St. Louis
JNU
Juneau
$512 Roundtrip, found 6 days ago
$512
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jun 16 from St. Louis to Juneau, returning Sat, Jun 28, priced at $512 found 6 days ago
Alaska Airlines
Tue, Aug 12 - Thu, Aug 21
STL
St. Louis
JNU
Juneau
$579 Roundtrip, found 1 day ago
$579
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 12 from St. Louis to Juneau, returning Thu, Aug 21, priced at $579 found 1 day ago
Hawaiian Airlines
Mon, Oct 27 - Tue, Nov 11
STL
St. Louis
JNU
Juneau
$590 Roundtrip, found 17 hours ago
$590
Roundtrip
found 17 hours ago
Select Hawaiian Airlines flight, departing Mon, Oct 27 from St. Louis to Juneau, returning Tue, Nov 11, priced at $590 found 17 hours ago
American Airlines
Tue, May 20 - Wed, May 21
STL
St. Louis
JNU
Juneau
$605 Roundtrip, found 1 day ago
$605
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 20 from St. Louis to Juneau, returning Wed, May 21, priced at $605 found 1 day ago
Flights from St. Louis (STL) to Juneau (JNU)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Juneau Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines
Roundtrip price
$473
Distance
2370 mi

St. Louis to Juneau Flights

The cheapest times to fly from St. Louis to Juneau

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Juneau are during the month of June. You can find some of the cheapest flights from St. Louis to Juneau with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Louis to Juneau

Sunday is one of the best days to book for cheap flights from St. Louis to Juneau: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Louis to Juneau

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Juneau in 2025. You can also book with separate airlines for your outbound and return journeys, from $244 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Juneau flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Juneau airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU) cost?
Discover the latest flight deals from STL to JNU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to JNU?
The cheapest flights from STL to JNU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to JNU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to JNU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU)?
There are no daily nonstop flights departing from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from STL to JNU?
Typically you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU) last-minute?
Holding off until right before your break to book a flight from STL to JNU often results in higher prices. Although you may find some last-minute offers, there’s no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a STL to JNU flight and hotel package?
You’ll typically save money by booking a STL to JNU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve selected your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Juneau Intl. Airport (JNU)?
If you booked your STL to JNU flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.