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Cheap flights from Washington Dulles Intl (IAD) to San Juan (SJU)

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The best prices from Washington Dulles Intl to San Juan are usually found in August or July, booked 27 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Washington Dulles Intl (IAD) to San Juan (SJU)

IAD - PR1
Price
$298 - $603
PR1
Temperature
82.4 - 89.6 °F
PR1
Rainfall
1.3 - 5.8 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

August

Best time to find cheap flights, 18% potential price drop

Round-trip from

$298

From Washington Dulles Intl to San Juan

One-way from

$135

One-way flight from Washington Dulles Intl to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington Dulles Intl to San Juan?

Flights from Washington Dulles Intl to San Juan are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan.

How far in advance should I book a flight from Washington Dulles Intl to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 19 days in advance, which can save you up to 7% on flights from Washington Dulles Intl to San Juan compared to booking the week you need them. Waiting 19 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $262. For sooner than that we have options available in the next 3 days from $281.

What is the cheapest month to fly from Washington Dulles Intl to San Juan?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Juan. Flights to San Juan from Washington Dulles Intl in August are about $313 on average during August, but can be found for as low as $121.

When is the cheapest time to fly from Washington Dulles Intl to San Juan (IAD - PR1)?

A simple way to save on the total cost of your ticket is to fly from Washington Dulles Intl to San Juan at noon. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the evening.

Cheap flights from Washington Dulles Intl to San Juan in January, February 2021

The best prices found for IAD to SJU flights for January, February
18 Feb - 21 Feb
$116pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
11 Feb - 17 Feb
$120pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
18 Feb - 20 Feb
$121pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to San Juan 2021 flight deals

Cheap flights to San Juan from Washington Dulles Intl found for this year
18 Feb - 21 Feb
$116pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
11 Feb - 17 Feb
$120pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
18 Feb - 20 Feb
$121pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to San Juan from Washington Dulles Intl

Save time with Washington Dulles Intl to San Juan direct flight deals
27 Apr - 28 Apr
$273pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
21 Jan - 29 Jan
$279pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
3 May - 14 May
$318pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to San Juan

Late deals on round-trip flights to San Juan from Washington Dulles Intl, departing today and this week
25 Jan - 28 Jan
$151pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
25 Jan - 28 Jan
$159pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
22 Jan - 28 Jan
$171pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to San Juan from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to San Juan
6:25 am - 8:02 am
Frontier
2 Stops
25h 37m
IAD - SJU
Frontier
$135
Gotogate
5:25 am - 4:04 pm
Multiple Airlines
3 Stops
33h 39m
IAD - SJU
Multiple Airlines
$141
Gotogate
1:15 am - 3:57 pm
United Airlines
2 Stops
13h 42m
IAD - SJU
United Airlines
$144
United

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to San Juan flights.

Flight FAQs

From Washington Dulles Intl to San Juan

Are flight prices decreasing from Washington Dulles Intl to San Juan due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and San Juan for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Dulles Intl to San Juan to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Washington Dulles Intl to San Juan are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Washington Dulles Intl to San Juan have flexible cancellations due to COVID-19?

United Airlines, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Washington Dulles Intl to San Juan for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to San Juan for under $200. The cheapest flight booked recently is on Frontier for just $116, but on average you can expect to pay $142.

Are there nonstop flights from Washington Dulles Intl to San Juan for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to San Juan under $300. A good price for a nonstop flight from Washington Dulles Intl to San Juan is less than $439.

Are there last-minute flights available from Washington Dulles Intl to San Juan for under $200?

There are currently 20+ open flights from Washington Dulles Intl to San Juan within the next 7 days for less than $200.

Is Washington Dulles Intl weather warmer or cooler than San Juan?

You can imagine temperatures to be in the 90 °F range in June. The weather in San Juan is generally hotter than Washington Dulles Intl's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Washington Dulles Intl to San Juan?

Frontier and American Airlines can get you from Washington Dulles Intl to San Juan in just under 7h 10m. Your travel time can differ by up to 30m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington Dulles Intl to San Juan round-trip?

Cheapflights users have booked flights from Washington Dulles Intl to San Juan round-trip from $116. Another airline that can offer you cheap pricing is American Airlines. These flights start at 68% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington Dulles Intl to San Juan one-way?

The cheapest airlines for a one-way flight from Washington Dulles Intl to San Juan are Frontier ($58), American Airlines ($108), and United Airlines ($140).

Alternative routes for Washington Dulles Intl to San Juan

Destination information for San Juan

Things to know before you go. Useful info for your trip from Washington Dulles Intl to San Juan
Today's exchange rate
$1 = $1.00
Average temperature for January in San Juan
82.4 °F
Avg rainfall for January in San Juan
3.6 ″

Airports servicing Washington

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 6 airlines flying from Washington Dulles Intl to San Juan

The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$154 $279 No cancel fee 62%
Spirit Airlines
$118 $308 No cancel fee 65%
Delta
$138 $350 No cancel fee N/A
JetBlue
$194 $434 No cancel fee 62%
American Airlines
$160 $489 No cancel fee 71%
United Airlines
$173 $494 No cancel fee 69%
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