$430 Cheap Flights from San Juan (SJU) to Juneau (JNU)

View $430 flight on Fri, May 1, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Juneau, AK (JNU-Juneau Intl.)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from San Juan to Juneau (SJU-JNU)

Prices were available within the past 7 days and start at $430 for one-way flights and $825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$825 Roundtrip, found 5 days ago
$825
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $825 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$897 Roundtrip, found 5 days ago
$897
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $897 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$901 Roundtrip, found 5 days ago
$901
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $901 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$917 Roundtrip, found 5 days ago
$917
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $917 found 5 days ago
American Airlines
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$920 Roundtrip, found 5 days ago
$920
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $920 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$933 Roundtrip, found 5 days ago
$933
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $933 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$954 Roundtrip, found 5 days ago
$954
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $954 found 5 days ago
United
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$971 Roundtrip, found 5 days ago
$971
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $971 found 5 days ago
Delta
Mon, Jul 7 - Mon, Jul 14
SJU
San Juan
JNU
Juneau
$1,175 Roundtrip, found 12 hours ago
$1,175
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Jul 7 from San Juan to Juneau, returning Mon, Jul 14, priced at $1,175 found 12 hours ago
Alaska Airlines
Fri, May 1 - Sun, May 10
SJU
San Juan
JNU
Juneau
$1,191 Roundtrip, found 5 days ago
$1,191
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, May 1 from San Juan to Juneau, returning Sun, May 10, priced at $1,191 found 5 days ago
Flights from San Juan (SJU) to Juneau (JNU)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Juneau Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta
Roundtrip price
$825
Distance
4365 mi

San Juan to Juneau Flights

The cheapest times to fly from San Juan 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 San Juan to Juneau are during the month of May. You can find some of the cheapest flights from San Juan to Juneau with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Juneau

Sunday is one of the best days to book for cheap flights from San Juan 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 San Juan 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 San Juan to Juneau in 2025. You can also book with separate airlines for your outbound and return journeys, from $430 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 San Juan 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 San Juan 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 Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU) cost?
Discover the latest flight deals from SJU 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 SJU to JNU?
The cheapest flights from SJU 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 SJU to JNU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SJU to JNU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to JNU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU)?
Book a flight from Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**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 Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU) last-minute?
Last-minute fares from SJU to JNU are typically more expensive. For the cheapest rates, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a SJU to JNU flight and hotel package?
Opting for a SJU to JNU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Juneau Intl. Airport (JNU)?
If you reserved your SJU to JNU flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.