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Cheap flights from Washington, D.C. Dulles Intl Airport to San Juan from $64

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. Dulles Intl Airport to San Juan departing on 7/8. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Juan

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.
Frontier Logo
12:10 pm - 4:02 pmIAD-SJU
3h 52mnonstop
Frontier Logo
7:20 am - 11:15 amSJU-IAD
3h 55mnonstop
$153Frontier
Find Deal
dom., may. 25 - jue., may. 29
Frontier Logo
4:55 pm - 8:47 pmIAD-SJU
3h 52mnonstop
Frontier Logo
7:40 am - 11:33 amSJU-IAD
3h 53mnonstop
$160Frontier
Find Deal
mar., may. 27 - dom., jun. 1
Frontier Logo
12:23 pm - 4:13 pmIAD-SJU
3h 50mnonstop
Frontier Logo
8:00 am - 11:56 amSJU-IAD
3h 56mnonstop
$162Frontier
Find Deal
dom., jun. 29 - mar., jul. 8
American Airlines Logo
8:02 pm - 11:10 amIAD-SJU
15h 08m1 stop
American Airlines Logo
7:15 am - 12:02 amSJU-IAD
16h 47m1 stop
$255American Airlines
Find Deal
mié., may. 28 - mié., jun. 4
United Airlines Logo
8:40 am - 12:34 pmIAD-SJU
3h 54mnonstop
United Airlines Logo
1:05 am - 7:19 amSJU-IAD
6h 14m1 stop
$281United Airlines
Find Deal
dom., jun. 1 - mié., jun. 4
United Airlines Logo
3:40 pm - 11:57 pmIAD-SJU
8h 17m1 stop
United Airlines Logo
3:56 pm - 12:30 amSJU-IAD
8h 34m1 stop
$282United Airlines
Find Deal
jue., may. 29 - mar., jun. 3
American Airlines Logo
8:02 pm - 11:10 amIAD-SJU
15h 08m1 stop
American Airlines Logo
7:15 am - 12:02 amSJU-IAD
16h 47m1 stop
$283American Airlines
Find Deal
mar., may. 27 - mié., jun. 4
 Logo
11:54 am - 9:43 amIAD-SJU
45h 49m3 stops
 Logo
8:12 pm - 2:32 pmSJU-IAD
18h 20m2 stops
dom., jun. 1 - vie., jun. 6
 Logo
11:54 am - 7:07 pmIAD-SJU
31h 13m2 stops
 Logo
8:12 pm - 2:32 pmSJU-IAD
18h 20m2 stops
dom., jun. 1 - vie., jun. 6
Delta Logo
3:00 pm - 10:12 pmIAD-SJU
7h 12m1 stop
Delta Logo
7:30 am - 1:59 pmSJU-IAD
6h 29m1 stop
$389Delta
Find Deal
mar., ago. 12 - mar., ago. 19

American Airlines flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
May 28
IAD8:02 pmWashington, D.C. Dulles Intl
15h 08m
1 stop
SJU11:10 amSan Juan Luis Munoz Marin Intl
Jun 4
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 47m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl
American Airlines
May 27
IAD8:02 pmWashington, D.C. Dulles Intl
15h 08m
1 stop
SJU11:10 amSan Juan Luis Munoz Marin Intl
Jun 4
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 47m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl
American Airlines
May 30
IAD5:02 amWashington, D.C. Dulles Intl
6h 08m
1 stop
SJU11:10 amSan Juan Luis Munoz Marin Intl
Jun 4
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 47m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl

United Airlines flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jun 1
IAD8:40 amWashington, D.C. Dulles Intl
3h 54m
SJU12:34 pmSan Juan Luis Munoz Marin Intl
Jun 4
SJU1:05 amSan Juan Luis Munoz Marin Intl
6h 14m
1 stop
IAD7:19 amWashington, D.C. Dulles Intl
United Airlines
May 29
IAD3:40 pmWashington, D.C. Dulles Intl
8h 17m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Jun 3
SJU3:56 pmSan Juan Luis Munoz Marin Intl
8h 34m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
United Airlines
Jun 2
IAD5:35 pmWashington, D.C. Dulles Intl
6h 22m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Jun 5
SJU3:56 pmSan Juan Luis Munoz Marin Intl
8h 34m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl

See travel insights to San Juan from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

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

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $417.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $399. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $473.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $238. Flights in the afternoon are often more expensive with an average ticket price of $455.

What is the cheapest Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl flight route?

Fly from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl for the best Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl flight prices

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Washington, D.C. Dulles Intl Airport when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $486 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Washington, D.C. Dulles Intl Airport for as low as $390 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport (IAD to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$64

Fastest flight time

3h 50m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $64. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $153.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport takes 3h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Frontier.

  • How far is Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 1573.5 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 3h 50m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?


Best airlines flying from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $96Free CancellationRating
6.3
7,956 reviews
Search Spirit Airlines flights
FrontierPriceFrom $101Free CancellationRating
5.9
3,284 reviews
Search Frontier flights
JetBluePriceFrom $203Free CancellationRating
7.3
2,922 reviews
Search JetBlue flights
American AirlinesPriceFrom $224Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $238Free CancellationRating
8.0
7,929 reviews
Search Delta flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport

    United Airlines flies from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport around 7 times per week, with 8,696 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport in the last 72 hours was $300 (round-trip), much lower than the average airfare cost of $510 for United Airlines flights on this route.


Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San Juan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to San Juan with flexible booking policies on momondo?

Yes. All flights to San Juan from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Washington, D.C. to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.


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