Find cheap one-way flights from San Juan to Washington D.C. starting at US$78.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from San Juan to Washington D.C.?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from San Juan (SJU) to Washington D.C. (WAS) the cheapest?

Airlines adjust prices for flights from San Juan to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from San Juan (SJU) to Washington D.C. (WAS) cost?

According to Trip.com's data, the lowest price is around $323.
How long does it take to fly from San Juan (SJU) to Washington D.C. (WAS) and what is the distance?

It takes around 8 hours 57 minutes to fly from San Juan (SJU) to Washington D.C. (WAS).
What are the most popular airlines that fly from San Juan (SJU) to Washington D.C. (WAS)?

Airlines with flights from San Juan (SJU) to Washington D.C. (WAS): United Airlines, Jetblue Airways and Air Canada.

How to find a cheap flight from San Juan to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Juan to Washington D.C.. Book your flights at the right time and save more.

Being flexible with your dates to get the cheapest San Juan to Washington D.C. ticket.

Tap "Date" on flight search bar to scan through the calender for San Juan to Washington D.C. airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Thu, Apr 24 at US$121 for one-way flights.

Compare cheap San Juan to Washington D.C. flight deals from over hundreds of airlines.

Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from San Juan to Washington D.C.. The cheapest airline operating is Jetblue Airways.

Set up a Price Alert

By setting up a Price Alert for your San Juan to Washington D.C. route, you can easily track the price of your airline tickets from San Juan to Washington D.C. without manually checking every day.

Don't miss cheap San Juan to Washington D.C. flight deals and promo codes.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.

Book early or wait unitl the last minute.

It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.

Search for flights on the go.

To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from San Juan to Washington D.C. to get exclusive deals for you.

San Juan to Washington D.C. Flight Information

Cheapest one-way flight price	$78
Cheapest round-trip ticket price	$194
Off-season for travel	February
Peak season for travel	December
Flight distance	2,509.36 km
Average flight time	8 hours 57 minutes
Popular airline	Frontier Airlines