Cheap Flights from Seattle to Puerto Rico

Compare Seattle to Puerto Rico flight deals

Find the cheapest month or even day of the year to fly to Puerto Rico

Book the best Puerto Rico fare with no extra fees

Seattle to Puerto Rico: Flight information

The things to know before you go.
Fly intoGran Canaria Airport
Distance to Puerto Rico36.3 km
Cheapest flight£593, Seattle Airport to Gran Canaria Airport
Cheapest month to flyApril

Find the cheapest month to fly from Seattle to Puerto Rico

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Seattle to Puerto Rico flights are currently cheapest in May. We’ve based this on flights into Gran Canaria Airport.

Finding cheap flights from Seattle to Puerto Rico: Frequently asked questions

The best price we found for a return flight from Seattle to Puerto Rico is £735. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Puerto Rico. But we found flights with one or more stops from £735.
We've checked every Seattle to Puerto Rico fare we could find, and the cheapest upcoming date to fly seems to be on Monday, 18 May 2026. Overall, the cheapest month to fly from Seattle to Puerto Rico is usually May.
If you're flying from Seattle, the cheapest airport near Puerto Rico is Gran Canaria – which is 36.3 km away from the centre of Puerto Rico. We've found flights into this airport from £735.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Puerto Rico on Monday, 18 May 2026.
No airlines currently offer direct flights between Seattle and Puerto Rico. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Puerto Rico but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Puerto Rico is around 40 days in advance, so don’t leave your flight to the last minute.
Gran Canaria Airport is the best option, and is around 36.3km from Puerto Rico.
Gran Canaria Airport is closest to Puerto Rico, at around 36.3 km away.
The cheapest airline that flies to Puerto Rico is Icelandair .