Cheap Flights from Washington D.C. to San Juan from $194 Return

Flight deals from Washington D.C. to San Juan

Looking for cheap tickets from Washington D.C. to San Juan, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

San Juan.$194 per passenger.Departing Sat, 23 Aug, returning Sat, 30 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Sat, 23 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Sat, 30 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $194, select.

Flying from Washington D.C. to San Juan

Arm yourself with these facts on the fly.

Cheapest flight found	$194, San Juan
Cheapest month to fly	August
Average flight time	3 hrs, 56 mins
Cheapest airport to fly from	Washington Dulles
Most popular airline	Southwest Airlines

How to find cheap flights from Washington D.C. to San Juan

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Washington D.C. to San Juan. Other savvy travellers recently found return flights from $194 and one-way tickets from $103 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Washington Dulles into San Juan

At the moment, the lowest priced flight tickets to San Juan are from Washington Dulles Airport to San Juan Luis Munoz Marin Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Washington D.C. to San Juan is currently September.

Fly on a Sunday

From our data, we can see that Sunday seems to be the cheapest time to fly from Washington D.C. to San Juan.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington D.C. to anywhere you choose in San Juan.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Washington D.C. to San Juan go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Washington D.C. to San Juan flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Washington D.C. to San Juan flight price?

We looked at all of the upcoming return flights from Washington D.C. to San Juan we could find over the next 12 months. It looks like $194 is the best price. This is good, compared to the average San Juan ticket price of $463.

What is the cheapest month to fly from Washington D.C. to San Juan?

The cheapest month to fly from Washington D.C. to San Juan is currently August.

Which upcoming date is cheapest to fly from Washington D.C. to San Juan on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to San Juan on Saturday, 23 August 2025.

Are there any direct flights from Washington D.C. to San Juan?

Washington Dulles Airport offers direct flights to San Juan.

If I'm flying from Washington D.C., where in San Juan is cheapest to fly into?

If you're flying from Washington D.C., the cheapest city in San Juan to fly into is San Juan. The cheapest airport serving San Juan at the moment is San Juan Luis Munoz Marin.