Cheap flights from Seattle to San Juan from $182
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Juan 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.
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Spirit Airlines flights from Seattle to San Juan
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How to get the cheapest flight ticket from Seattle to San Juan
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 cheapest month to fly to San Juan?
If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Seattle to San Juan during October average around $445.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Seattle to San Juan is on a Tuesday when prices can be found for as low as $504. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $693.
What is the cheapest time of day to depart on your flight to San Juan?
The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $465. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $584 on average. Flights to San Juan from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $573 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Seattle for as low as $488 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to San Juan?
Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to San Juan
What airlines fly to San Juan?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to San Juan from Seattle according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 9 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to San Juan
How far is Seattle/Tacoma Intl to San Juan by plane?
Seattle/Tacoma Intl and San Juan are 3720.7 mi apart from one another. By plane, this route typically takes 9h 16m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Juan?
Prices for flights from Seattle/Tacoma Intl Airport to San Juan were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Juan?
The number of operators available for flights from Seattle/Tacoma Intl Airport to San Juan is 9 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Juan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to San Juan
Compare and see reviews for airlines that fly from Seattle to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $194 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $233 | Free Cancellation | Rating 6.3 8,066 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $331 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $341 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $395 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $447 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $466 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $490 | Free Cancellation | Rating 8.0 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to San Juan?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to San Juan. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seattle to San Juan with flexible booking policies on momondo?
All flight searches from Seattle to San Juan on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to San Juan?
momondo helps you find the best flight between Seattle and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to San Juan right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Juan from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.