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Juneau

$333+ Cheap flights from St. Louis to Juneau (STL - JNU)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — JNU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from St. Louis to Juneau

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Juneau (JNU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$623
(Delta)

One-way from

$333
(Delta)

Popular in

July

Cheapest in

September

Average price

$961
From Lambert-St Louis to Juneau Intl
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One-way flight from Lambert-St Louis to Juneau Intl
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Highest demand for flights based on searches. 7% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from St. Louis to Juneau

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

This Delta deal was found by Cheapflights users on 7/2. 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 8/167:35 amSTL - JNU
2 stops13h 36mDelta
Fri 8/227:05 amJNU - STL
2 stops24h 44mDelta
Deal found 7/2$623
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/163:24 pmSTL - JNU
2 stops9h 06mAlaska Airlines
Wed 8/277:00 amJNU - STL
1 stop7h 34mAlaska Airlines
Deal found 7/2$638

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Juneau 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 July 3, 2025.
Use the filters below to find and compare flights from St. Louis to Juneau that are best for you.

Fly from

St. Louis

Fly to

Juneau

Route

Depart

Return

Price

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Sat 8/16

7:35 am-6:11 pm

2 stops13h 36m

Juneau Intl

Tue 8/26

7:05 am-10:37 am

2 stops24h 32m

$623

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Sat 8/16

3:24 pm-9:30 pm

2 stops9h 06m

Juneau Intl

Wed 8/27

7:00 am-5:34 pm

1 stop7h 34m

$638

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Fri 9/12

7:40 am-6:13 pm

2 stops13h 33m

$333

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Fri 9/12

6:30 pm-8:34 am

1 stop17h 04m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from St. Louis to Juneau

Have a flexible travel schedule? Discover the best time to fly to Juneau from St. Louis 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 St. Louis to Juneau

What is the cheapest time of day to fly from STL to JNU?

Find hourly flight availability from St. Louis to Juneau. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from St. Louis to Juneau by exploring options for tickets in the morning.

How much does it cost to fly round-trip from St. Louis to Juneau?

Reviews of airlines servicing Juneau

Get insights into the airlines that provide service to Juneau. 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 Juneau. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from St. Louis to Juneau, such as Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Juneau round-trip?

    Cheapflights users have booked flights from St. Louis to Juneau round-trip from $623. Another airline that can offer you cheap pricing is Alaska Airlines. Delta is 5% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Juneau that include hotel bookings?

    Yes. In addition to deals on St. Louis to Juneau flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Juneau?

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

  • Can I find deals for business class flights from St. Louis to Juneau?

    Yes. Cheapflights offers flight deals from St. Louis to Juneau 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 St. Louis to Juneau?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Juneau (average of $399). Flying from St. Louis to Juneau in July is currently the most expensive (average of $690). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Juneau

Discover the top airline that operate flights from St. Louis to Juneau. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$485Average$729FlexibilityNo cancel feeOn-time75%

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