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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. departing on 3/11. 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 San Juan Luis Munoz Marin Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:17 pm - 7:25 pm
SJU
-
IAD
4h 08mnonstop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$121Frontier
vie., feb. 13 - lun., feb. 16
Frontier Logo
11:07 am - 9:25 am
SJU
-
IAD
23h 18m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$131Frontier
mié., feb. 18 - sáb., feb. 21
Frontier Logo
5:25 pm - 9:25 am
SJU
-
IAD
17h 00m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$132Frontier
mié., feb. 11 - vie., feb. 20
Frontier Logo
5:25 pm - 9:25 am
SJU
-
IAD
17h 00m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$138Frontier
mié., feb. 18 - sáb., feb. 21
Frontier Logo
11:07 am - 9:25 am
SJU
-
IAD
23h 18m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$149Frontier
mié., feb. 18 - sáb., feb. 21
Frontier Logo
5:25 pm - 9:25 am
SJU
-
IAD
17h 00m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$154Frontier
mié., feb. 18 - lun., feb. 23
Frontier Logo
5:25 pm - 9:25 am
SJU
-
IAD
17h 00m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$155Frontier
mié., feb. 11 - lun., feb. 16
Frontier Logo
3:53 am - 9:25 am
SJU
-
IAD
6h 32m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$158Frontier
mié., feb. 18 - lun., feb. 23
Frontier Logo
4:36 pm - 8:40 am
SJU
-
IAD
17h 04m
1 stop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$166Frontier
jue., feb. 5 - sáb., feb. 14
Frontier Logo
4:17 pm - 7:25 pm
SJU
-
IAD
4h 08mnonstop
Frontier Logo
8:20 pm - 1:05 am
IAD
-
SJU
3h 45mnonstop
$170Frontier
vie., feb. 20 - lun., feb. 23

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

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Feb 13
SJU4:17 pmSan Juan Luis Munoz Marin Intl
4h 08m
IAD7:25 pmWashington, D.C. Dulles Intl
Feb 16
IAD8:20 pmWashington, D.C. Dulles Intl
3h 45m
SJU1:05 amSan Juan Luis Munoz Marin Intl
$114
Frontier
Feb 13
SJU4:17 pmSan Juan Luis Munoz Marin Intl
4h 08m
IAD7:25 pmWashington, D.C. Dulles Intl
Feb 16
IAD8:20 pmWashington, D.C. Dulles Intl
3h 45m
SJU1:05 amSan Juan Luis Munoz Marin Intl
$121
Frontier
Feb 18
SJU11:07 amSan Juan Luis Munoz Marin Intl
23h 18m
1 stop
IAD9:25 amWashington, D.C. Dulles Intl
Feb 21
IAD8:20 pmWashington, D.C. Dulles Intl
3h 45m
SJU1:05 amSan Juan Luis Munoz Marin Intl
$131

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

Our best United Airlines deals on San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 12
SJU5:50 pmSan Juan Luis Munoz Marin Intl
4h 05m
IAD8:55 pmWashington, D.C. Dulles Intl
Feb 16
IAD5:32 pmWashington, D.C. Dulles Intl
3h 50m
SJU10:22 pmSan Juan Luis Munoz Marin Intl
$243
United Airlines
Feb 7
SJU8:10 amSan Juan Luis Munoz Marin Intl
4h 05m
IAD11:15 amWashington, D.C. Dulles Intl
Feb 9
IAD6:00 amWashington, D.C. Dulles Intl
7h 40m
1 stop
SJU2:40 pmSan Juan Luis Munoz Marin Intl
$248
United Airlines
Jan 30
SJU5:50 pmSan Juan Luis Munoz Marin Intl
4h 05m
IAD8:55 pmWashington, D.C. Dulles Intl
Feb 1
IAD5:32 pmWashington, D.C. Dulles Intl
3h 50m
SJU10:22 pmSan Juan Luis Munoz Marin Intl
$314

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated enero 26, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

vie. 2/13

4:17 pm-7:25 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

lun. 2/16

8:20 pm-1:05 am

Nonstop3h 45m

$121

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/18

11:07 am-9:25 am

1 stop23h 18m

Washington, D.C. Dulles Intl

sáb. 2/21

8:20 pm-1:05 am

Nonstop3h 45m

$131

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/11

5:25 pm-9:25 am

1 stop17h 00m

Washington, D.C. Dulles Intl

vie. 2/20

8:20 pm-1:05 am

Nonstop3h 45m

$132

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/18

5:25 pm-9:25 am

1 stop17h 00m

Washington, D.C. Dulles Intl

sáb. 2/21

8:20 pm-1:05 am

Nonstop3h 45m

$138

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/18

11:07 am-9:25 am

1 stop23h 18m

Washington, D.C. Dulles Intl

sáb. 2/21

8:20 pm-1:05 am

Nonstop3h 45m

$149

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/18

5:25 pm-9:25 am

1 stop17h 00m

Washington, D.C. Dulles Intl

lun. 2/23

8:20 pm-1:05 am

Nonstop3h 45m

$154

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/11

5:25 pm-9:25 am

1 stop17h 00m

Washington, D.C. Dulles Intl

lun. 2/16

8:20 pm-1:05 am

Nonstop3h 45m

$155

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

mié. 2/18

3:53 am-9:25 am

1 stop6h 32m

Washington, D.C. Dulles Intl

lun. 2/23

8:20 pm-1:05 am

Nonstop3h 45m

$158

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

jue. 2/5

4:36 pm-8:40 am

1 stop17h 04m

Washington, D.C. Dulles Intl

sáb. 2/14

8:20 pm-1:05 am

Nonstop3h 45m

$166

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

vie. 2/20

4:17 pm-7:25 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

lun. 2/23

8:20 pm-1:05 am

Nonstop3h 45m

$170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles 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 Washington, D.C. Dulles Intl Airport?

In general, January is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $133. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $215.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $324. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport for around $678.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $445 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $716 on average. Flights to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $313 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport for as low as $172 on momondo.

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

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

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flight.

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

As of January 2026, prices for San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$328

Fastest flight time

3h 59m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $328. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $202.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport takes 3h 59m
Direct flights go from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    The distance between San Juan Luis Munoz Marin Intl and Washington, D.C. Dulles Intl is about 1573.5 mi. A reasonable flight in good conditions will take 3h 59m.

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

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $67Free CancellationRating
5.7
3,058 reviews
Search Frontier flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,199 reviews
Search United Airlines flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
11,189 reviews
Search American Airlines flights

  • United Airlines Flights From San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport

    United Airlines flies from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport around 14 times per week, with 9,199 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport in the last 72 hours was $198 (round-trip), much lower than the average airfare cost of $401 for United Airlines flights on this route.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
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Laurel
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Silver Spring
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Springfield
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Linthicum Heights

Why use momondo?

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

It is quick and easy to find San Juan to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. momondo allows you to filter the results for San Juan to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from San Juan to Washington, D.C.?

momondo helps you find the best flight between San Juan and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Juan to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Juan to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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