Cheap flights from Washington, D.C. Reagan-National Airport to San Juan from $118
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to San Juan departing on 5/27. 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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1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Washington, D.C. Reagan-National Airport to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Reagan-National Airport to San Juan.
Cheap last minute flights
Planning a quick getaway from Washington, D.C. Reagan-National Airport to San Juan? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to San Juan, so you can enjoy a seamless trip without layovers.
United Airlines flights from Washington, D.C. Reagan-National Airport to San Juan
Our best United Airlines deals on Washington, D.C. Reagan-National Airport to San Juan flight tickets
United Airlines![United Airlines]()
Jun 3![United Airlines]()
Jun 5
DCA1:00 pmWashington, D.C. Reagan-National
10h 54m
1 stop
SJU11:54 pmSan Juan Luis Munoz Marin Intl
SJU1:25 pmSan Juan Luis Munoz Marin Intl
8h 14m
1 stop
DCA9:39 pmWashington, D.C. Reagan-National
United Airlines![United Airlines]()
May 19![United Airlines]()
May 21
DCA3:20 pmWashington, D.C. Reagan-National
8h 37m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
SJU1:05 amSan Juan Luis Munoz Marin Intl
9h 22m
1 stop
DCA10:27 amWashington, D.C. Reagan-National
JetBlue flights from Washington, D.C. Reagan-National Airport to San Juan
Our best JetBlue deals on Washington, D.C. Reagan-National Airport to San Juan flight tickets
JetBlue![JetBlue]()
Aug 12![JetBlue]()
Aug 16
DCA9:55 amWashington, D.C. Reagan-National
6h 07m
1 stop
SJU4:02 pmSan Juan Luis Munoz Marin Intl
SJU9:00 amSan Juan Luis Munoz Marin Intl
6h 57m
1 stop
DCA3:57 pmWashington, D.C. Reagan-National
JetBlue![JetBlue]()
Sep 9![JetBlue]()
Sep 10
DCA5:15 pmWashington, D.C. Reagan-National
8h 30m
1 stop
SJU1:45 amSan Juan Luis Munoz Marin Intl
SJU11:30 amSan Juan Luis Munoz Marin Intl
7h 14m
1 stop
DCA6:44 pmWashington, D.C. Reagan-National
See travel insights to San Juan from
How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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
Prices
Airlines
Other information
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 Washington, D.C. Reagan-National Airport to San Juan during October average around $350.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Washington, D.C. Reagan-National Airport to San Juan is on a Tuesday when prices can be found for as low as $399. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $473.
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 $238. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $455 on average. Flights to San Juan from Washington, D.C. Reagan-National Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Washington, D.C. Reagan-National to San Juan flight route?
Fly from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl for the best Washington, D.C. Reagan-National - San Juan flight prices
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Washington, D.C. Reagan-National Airport when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $424 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Washington, D.C. Reagan-National Airport for as low as $371 on momondo.
What cabin class options are available on Washington, D.C. Reagan-National to San Juan flights?
There are 1 cabin classes available to choose from on Washington, D.C. Reagan-National to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. Reagan-National to San Juan?
Delta, American Airlines, and JetBlue are the most popular carriers operating from Washington, D.C. Reagan-National to San Juan
What airlines fly to San Juan?
JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to San Juan from Washington, D.C. Reagan-National Airport according to our data. JetBlue is the first choice among our users, with 87% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 7 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Reagan-National Airport to San Juan on average per week?
As of May 2025, 1 flights take off from Washington, D.C. Reagan-National Airport and land in San Juan each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.
Cheap Washington, D.C. Reagan-National Airport to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to San Juan
How far is Washington, D.C. Reagan-National to San Juan by plane?
A flight from Washington, D.C. Reagan-National to San Juan will travel around 1552.6 mi. 3h 56m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to San Juan?
Prices for flights from Washington, D.C. Reagan-National Airport to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to San Juan?
As of May 2025, there are 7 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to San Juan.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to San Juan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The required travel and health documents for your San Juan 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 San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Washington, D.C. Reagan-National Airport to San Juan
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $68 | Free Cancellation | Rating 5.9 3,288 reviews | |||
| PriceFrom $123 | Free Cancellation | Rating 6.3 7,967 reviews | |||
| PriceFrom $220 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 8.0 7,941 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $265 | Free Cancellation | Rating 7.3 2,921 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 8.0 4,292 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to San Juan?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to San Juan. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to San Juan with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Juan from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Washington, D.C. to San Juan?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to San Juan.
I’m not ready to book a flight from Washington, D.C. to San Juan right now. Can momondo alert me if prices change?
Price alerts on flights to San Juan from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.