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  1. Flights
  2. Puerto Rico
  3. San Juan
  4. Washington, D.C. - San Juan

Cheap Flights from Washington, D.C. (WAS) to San Juan (SJU)

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Discover the cheapest flights from Washington, D.C. to San Juan
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Mon, Jan 12 - Fri, Jan 16
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
Frontier Airlines
Frontier AirlinesDirect
SJU - WAS
127$
119$
Prime price per passenger
Mon, Feb 23 - Thu, Feb 26
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
Frontier Airlines
Frontier Airlines1 stop
SJU - WAS
158$
144$
Prime price per passenger
Tue, Jan 20 - Wed, Jan 21
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
Spirit Airlines
Spirit AirlinesDirect
SJU - WAS
166$
153$
Prime price per passenger
Mon, Feb 2 - Sat, Feb 14
American Airlines
American Airlines1 stop
WAS - SJU
American Airlines
American Airlines1 stop
SJU - WAS
161$
157$
Prime price per passenger
Tue, Dec 16 - Thu, Dec 25
American Airlines
American Airlines1 stop
WAS - SJU
Frontier Airlines
Frontier AirlinesDirect
SJU - WAS
175$
169$
Prime price per passenger
Sat, Jan 3 - Fri, Jan 9
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
Frontier Airlines
Frontier AirlinesDirect
SJU - WAS
192$
181$
Prime price per passenger
Sat, Jan 3
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
-18 %
48$
40$
Prime price per passenger
Tue, Jan 13
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
-20 %
54$
44$
Prime price per passenger
Mon, Feb 23
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
-17 %
64$
54$
Prime price per passenger
Tue, Jan 20
Frontier Airlines
Frontier AirlinesDirect
WAS - SJU
-15 %
74$
63$
Prime price per passenger
Sun, Feb 1
Frontier Airlines
Frontier Airlines1 stop
WAS - SJU
-11 %
90$
81$
Prime price per passenger
Wed, Dec 17
American Airlines
American Airlines1 stop
WAS - SJU
156$
151$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Washington, D.C. to San Juan

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
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week: Dec 8 - Dec 14
Flights from just $222
$222
$604
$577
$471
$269
$352
$279
$265
$259
$383
$269
$269
DecemberJanuaryFebruary
Cheapest flight$40The best price for flights from Washington, D.C. to San Juan offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportDulles IntlDulles Intl is where you'll take off when flying from Washington, D.C. to San Juan
Arrival AirportLuis Munoz Marin InternationalYou'll land at Luis Munoz Marin International when flying from Washington, D.C. to San Juan
Peak seasonDecemberDecember is the busiest time to fly from Washington, D.C. to San Juan according to search data results from our customers
Airlines operating this routeFrontier AirlinesAirline(s) that fly from Washington, D.C. to San Juan
Best time to bookSeptemberSeptember is one of the most frequent times to fly to San Juan from Washington, D.C. according to real data from our customers
Distance: 1556 miles
Washington, D.C. airports
Dulles Intl (IAD)How far from city center: 23 miles
R Reagan National (DCA)How far from city center: 3 miles
San Juan airports
Luis Munoz Marin International (SJU)How far from city center: 7 miles

Are you planning to travel to San Juan for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Washington, D.C.. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to San Juan and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Washington, D.C. to San Juan

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to Puerto Rico. At eDreams have you covered!
For flights from Washington, D.C. to San Juan, how can I find the cheapest price?
The cheapest price for a flight from Washington, D.C. to San Juan is $40. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Washington, D.C. to San Juan?
The most popular months to book a trip from Washington, D.C. to San Juan are September, October and January, based on the searches of our customers.
When is the best time to travel from Washington, D.C. to San Juan?
The best time of the year to visit San Juan depends on lots of personal preferences, especially the price. Regarding popularity, December is the best month to fly to San Juan from Washington, D.C. in terms of searches from our customers, followed by April and November. If you prefer to avoid the busy season and get away from the crowds September, August and October are the months with fewer searches for Washington, D.C. - San Juan.
How is the weather in San Juan compared to Washington, D.C.?
While in Washington, D.C. the temperatures can reach an average of 33.72 ºC in summer, with precipitation levels up to 12 mm ,San Juan's temperatures can go up to 31.42 ºC during the hot season, with 9 mm average of rain rate . In winter, however, weather indicators show around 20.91 ºC in San Juan, compared to the -10.8 ºC average degrees reported in Washington, D.C.. During the winter period, Washington, D.C. can register 14.67 mm precipitation, while San Juan have an average of 9 mm rain level.
Which airports have flights between Washington, D.C. and San Juan?
The main route from Washington, D.C. to San Juan is: Dulles Intl (IAD) to Luis Munoz Marin International (SJU). The following airlines fly this route:
Frontier Airlines.

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