$208 Cheap Flights from Redmond (RDM) to San Juan (SJU)

View $208 flight on Mon, Apr 27, 2026Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU)

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Cheap Flights from Redmond to San Juan (RDM-SJU)

Prices were available within the past 7 days and start at $208 for one-way flights and $428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 6 - Thu, Sep 11
RDM
Redmond
SJU
San Juan
$428 Roundtrip, found 2 days ago
$428
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 6 from Redmond to San Juan, returning Thu, Sep 11, priced at $428 found 2 days ago
United
Tue, Mar 10 - Tue, Mar 17
RDM
Redmond
SJU
San Juan
$448 Roundtrip, found 4 days ago
$448
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 10 from Redmond to San Juan, returning Tue, Mar 17, priced at $448 found 4 days ago
American Airlines
Tue, Mar 10 - Tue, Mar 17
RDM
Redmond
SJU
San Juan
$458 Roundtrip, found 4 days ago
$458
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Mar 10 from Redmond to San Juan, returning Tue, Mar 17, priced at $458 found 4 days ago
United
Sat, Sep 6 - Thu, Sep 11
RDM
Redmond
SJU
San Juan
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 6 from Redmond to San Juan, returning Thu, Sep 11, priced at $461 found 2 days ago
American Airlines
Sat, Sep 6 - Thu, Sep 11
RDM
Redmond
SJU
San Juan
$470 Roundtrip, found 2 days ago
$470
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 6 from Redmond to San Juan, returning Thu, Sep 11, priced at $470 found 2 days ago
United
Tue, Mar 10 - Tue, Mar 17
RDM
Redmond
SJU
San Juan
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 10 from Redmond to San Juan, returning Tue, Mar 17, priced at $476 found 4 days ago
American Airlines
Sat, Sep 6 - Thu, Sep 11
RDM
Redmond
SJU
San Juan
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 6 from Redmond to San Juan, returning Thu, Sep 11, priced at $484 found 2 days ago
United
Sat, Sep 6 - Thu, Sep 11
RDM
Redmond
SJU
San Juan
$489 Roundtrip, found 2 days ago
$489
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 6 from Redmond to San Juan, returning Thu, Sep 11, priced at $489 found 2 days ago
Alaska Airlines
Fri, Feb 20 - Sat, Feb 28
RDM
Redmond
SJU
San Juan
$600 Roundtrip, found 1 day ago
$600
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Redmond to San Juan, returning Sat, Feb 28, priced at $600 found 1 day ago
Delta
Mon, Apr 27 - Thu, May 7
RDM
Redmond
SJU
San Juan
$757 Roundtrip, found 3 days ago
$757
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Apr 27 from Redmond to San Juan, returning Thu, May 7, priced at $757 found 3 days ago

Find the cheapest month to fly from Redmond (RDM) to San Juan (SJU)

January is typically the cheapest month to fly

From $384 - $1,146 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $700
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $700
Flights from Redmond (RDM) to San Juan (SJU)
Origin airport
Robert's Field
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$427
Distance
3626 mi

Redmond to San Juan Flights

The cheapest times to fly from Redmond to San Juan

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 Redmond to San Juan are during the month of September. You can find some of the cheapest flights from Redmond to San Juan with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Redmond to San Juan: 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 Redmond to San Juan

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 Redmond to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $208 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 Redmond to San Juan 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 Redmond to San Juan 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 Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU) cost?
Discover the latest flight deals from RDM to SJU 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 RDM to SJU?
The cheapest flights from RDM to SJU 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 RDM to SJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RDM to SJU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU)?
You'll need to take a flight with a layover if you're traveling from Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from RDM to SJU?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline 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 Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU)?
To avoid possible delays on the Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU) route, aim to 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 Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Last-minute fares from RDM to SJU are generally more expensive. To lock in the cheapest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Luis Munoz Marin Intl. Airport (SJU)?
Typically, you're able to reschedule or cancel your RDM to SJU flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.