Cheap flights from San Juan Luis Munoz Marin Intl Airport to Seattle from $161
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Seattle departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from San Juan Luis Munoz Marin Intl Airport to Seattle
Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
Frontier flights from San Juan Luis Munoz Marin Intl Airport to Seattle
Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and Seattle?
What is the cheapest month to fly to Seattle?
In general, October is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $389. If you don’t want to visit Seattle in October, then you should wait until February to fly from San Juan Luis Munoz Marin Intl Airport, when ticket prices are also cheap, with an average price of $437.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from San Juan Luis Munoz Marin Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from San Juan Luis Munoz Marin Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $788.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from San Juan Luis Munoz Marin Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $453 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $589. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from San Juan Luis Munoz Marin Intl Airport when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $525 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Juan Luis Munoz Marin Intl Airport for as low as $459 on momondo.
Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Seattle flights?
You could potentially save up to 2% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Seattle flight.
How have San Juan Luis Munoz Marin Intl Airport to Seattle flight prices changed over time?
As of June 2025, prices for San Juan Luis Munoz Marin Intl Airport to Seattle flights are approximately 21% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from San Juan Luis Munoz Marin Intl to Seattle/Tacoma Intl?
Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from San Juan Luis Munoz Marin Intl to Seattle/Tacoma Intl
What airlines fly to Seattle?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from San Juan Luis Munoz Marin Intl Airport according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from San Juan Luis Munoz Marin Intl Airport to Seattle
Cheap San Juan Luis Munoz Marin Intl Airport to Seattle (SJU to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Seattle
How far is San Juan Luis Munoz Marin Intl to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 3726.9 mi away from San Juan Luis Munoz Marin Intl. 10h 32m is a normal flight duration for this route.
When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport?
There are 6 operators available for flights from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport as of June 2025.
How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Juan Luis Munoz Marin Intl Airport to Seattle?
Based on momondo bookings for flights between San Juan Luis Munoz Marin Intl Airport and Seattle, the leading plane model is Boeing 737-900, making up 100.00% of the total bookings.
What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Seattle?
momondo data reveals that the most frequently booked airline on the route from San Juan Luis Munoz Marin Intl Airport to Seattle is American Airlines, representing 40% of all bookings. The subsequent popular airlines are United Airlines at 28%, Delta at 18%, and JetBlue at 8%.
Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Seattle
Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $148 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 6.3 8,062 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 7.4 8,798 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $452 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 8.0 4,285 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Juan to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Juan to Seattle for you.
Can I find flights from San Juan to Seattle with flexible booking policies on momondo?
Flights from San Juan to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from San Juan to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from San Juan.
I’m not ready to book a flight from San Juan to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from San Juan and alert you when they change.