What is the cheapest airline that flies from San Juan Luis Munoz Marin Intl to Washington, D.C. Dulles Intl?

United Airlines is the most popular carrier operating from San Juan Luis Munoz Marin Intl to Washington, D.C. Dulles Intl

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.

$143 Cheap Flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:11 pm - 12:21 amSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Atlanta Hartsfield-Jackson

11:16 am - 12:59 amIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

13h 43m2 stops Orlando Atlanta Hartsfield-Jackson

$287Frontier

Fri, Oct 23 - Wed, Oct 28

8:45 am - 8:11 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

12h 26m1 stop Fort Lauderdale

3:58 pm - 2:02 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

21h 04m1 stop Fort Lauderdale

$287Frontier

Wed, Nov 18 - Mon, Nov 30

3:00 am - 10:17 amSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

7h 17m1 stop Orlando

11:16 am - 12:59 amIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

13h 43m2 stops Orlando Atlanta Hartsfield-Jackson

$287Frontier

Sat, Oct 24 - Wed, Oct 28

7:00 am - 8:11 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

13h 11m1 stop Fort Lauderdale

6:36 pm - 9:18 amIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

14h 42m2 stops Blountville Tri Cities TN/VA Orlando

$287Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

8:45 am - 8:11 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

11h 26m1 stop Fort Lauderdale

7:40 am - 12:59 amIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

16h 19m1 stop Atlanta Hartsfield-Jackson

$288Frontier

Tue, Oct 27 - Sun, Nov 8

7:00 am - 8:11 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

13h 11m1 stop Fort Lauderdale

6:36 pm - 2:36 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

20h 00m2 stops Blountville Tri Cities TN/VA Orlando

$297Multiple Airlines

Thu, Oct 8 - Mon, Oct 12

2:57 am - 5:56 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

14h 59m2 stops Orlando Blountville Tri Cities TN/VA

11:12 am - 11:13 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

12h 01m1 stop Orlando

$308Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

8:05 am - 11:09 amSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 04mnonstop

5:29 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 53mnonstop

$324United Airlines

Wed, Nov 18 - Mon, Nov 30

5:50 pm - 8:56 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 06mnonstop

8:22 am - 1:15 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 53mnonstop

$325United Airlines

Thu, Nov 19 - Mon, Nov 23

4:55 pm - 8:47 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

3h 52mnonstop

8:40 am - 12:34 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 54mnonstop

$337United Airlines

Tue, Oct 6 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

6:33 am - 5:18 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

10h 45m1 stop Atlanta Hartsfield-Jackson

7:50 am - 3:22 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

7h 32m1 stop Atlanta Hartsfield-Jackson

$327Frontier

Mon, Sep 14 - Mon, Sep 28

3:41 pm - 10:51 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Charlotte Douglas

6:14 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

8h 36m1 stop Charlotte Douglas

$344American Airlines

Fri, Sep 11 - Tue, Sep 15

3:41 pm - 10:51 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Charlotte Douglas

6:32 am - 3:07 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

8h 35m1 stop Charlotte Douglas

$344American Airlines

Fri, Sep 11 - Sun, Sep 13

3:41 pm - 10:51 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Charlotte Douglas

6:14 am - 2:50 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

8h 36m1 stop Charlotte Douglas

$353American Airlines

Fri, Sep 11 - Tue, Sep 15

10:30 am - 8:09 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

9h 39m1 stop Fort Lauderdale

6:13 pm - 1:34 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

19h 21m1 stop Fort Lauderdale

$363Frontier

Sat, Sep 12 - Sat, Sep 19

8:45 am - 8:09 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

11h 24m1 stop Fort Lauderdale

3:11 pm - 11:58 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

8h 47m1 stop Tampa

$366Frontier

Wed, Sep 16 - Wed, Sep 23

10:30 am - 8:09 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

9h 39m1 stop Fort Lauderdale

6:13 pm - 3:17 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

21h 04m1 stop Fort Lauderdale

$375Frontier

Sat, Sep 12 - Mon, Sep 14

1:00 am - 4:01 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

15h 01m2 stops Newark Chicago O'Hare Intl

10:41 am - 11:50 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

13h 09m2 stops Chicago O'Hare Intl Newark

$456United Airlines

Fri, Sep 11 - Sat, Sep 19

1:00 am - 7:19 amSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

6h 19m1 stop Newark

8:20 am - 11:50 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

15h 30m2 stops Chicago O'Hare Intl Newark

$456United Airlines

Fri, Sep 11 - Sat, Sep 19

4:55 pm - 8:47 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

3h 52mnonstop

9:00 am - 12:54 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 54mnonstop

$467United Airlines

Fri, Sep 11 - Sun, Sep 13

Cheap direct flights

Enter your travel dates to find the best prices.

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$301Frontier

Mon, Nov 23 - Sat, Nov 28

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$304Frontier

Sat, Nov 21 - Sun, Nov 29

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$307Frontier

Fri, Nov 20 - Sat, Nov 28

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$312Frontier

Tue, Nov 24 - Sat, Nov 28

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$313Frontier

Sat, Nov 21 - Sat, Nov 28

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$314Frontier

Tue, Nov 24 - Sun, Nov 29

5:16 pm - 8:19 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 03mnonstop

11:07 am - 3:56 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 49mnonstop

$314Frontier

Tue, Dec 22 - Wed, Dec 30

8:53 am - 12:10 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 17mnonstop

1:05 pm - 5:52 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 47mnonstop

$322Frontier

Mon, Nov 23 - Sun, Nov 29

8:05 am - 11:09 amSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 04mnonstop

5:29 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 53mnonstop

$324United Airlines

Wed, Nov 18 - Mon, Nov 30

5:50 pm - 8:56 pmSJU San Juan Luis Munoz Marin Intl-IAD Washington, D.C. Dulles Intl

4h 06mnonstop

8:22 am - 1:15 pmIAD Washington, D.C. Dulles Intl-SJU San Juan Luis Munoz Marin Intl

3h 53mnonstop

$325United Airlines

Thu, Nov 19 - Mon, Nov 23

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

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Oct 6

SJU6:00 amSan Juan Luis Munoz Marin Intl

12h 23m

1 stop

IAD6:23 pmWashington, D.C. Dulles Intl

Oct 10

IAD7:13 pmWashington, D.C. Dulles Intl

20h 10m

1 stop

SJU3:23 pmSan Juan Luis Munoz Marin Intl

$324

American Airlines

Sep 30

SJU3:41 pmSan Juan Luis Munoz Marin Intl

7h 10m

1 stop

IAD10:51 pmWashington, D.C. Dulles Intl

Oct 5

IAD5:01 amWashington, D.C. Dulles Intl

10h 00m

1 stop

SJU3:01 pmSan Juan Luis Munoz Marin Intl

$330

American Airlines

Sep 24

SJU3:41 pmSan Juan Luis Munoz Marin Intl

7h 10m

1 stop

IAD10:51 pmWashington, D.C. Dulles Intl

Sep 27

IAD7:35 pmWashington, D.C. Dulles Intl

19h 10m

1 stop

SJU2:45 pmSan Juan Luis Munoz Marin Intl

$334

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

Oct 6

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 52m

IAD8:47 pmWashington, D.C. Dulles Intl

Oct 11

IAD8:40 amWashington, D.C. Dulles Intl

3h 54m

SJU12:34 pmSan Juan Luis Munoz Marin Intl

$337

United Airlines

Sep 22

SJU4:20 pmSan Juan Luis Munoz Marin Intl

6h 39m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

Sep 29

IAD8:40 amWashington, D.C. Dulles Intl

3h 54m

SJU12:34 pmSan Juan Luis Munoz Marin Intl

$342

United Airlines

Sep 19

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 52m

IAD8:47 pmWashington, D.C. Dulles Intl

Sep 22

IAD6:15 amWashington, D.C. Dulles Intl

7h 38m

1 stop

SJU1:53 pmSan Juan Luis Munoz Marin Intl

$362

momondo Fare Finder

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

Cheapest round-trip

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 10/23

5:11 pm-12:21 am

1 stop7h 10m

Washington, D.C. Dulles Intl

Wed 10/28

11:16 am-12:59 am

2 stops13h 43m

$287

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 11/18

8:45 am-8:11 pm

1 stop12h 26m

Washington, D.C. Dulles Intl

Mon 11/30

3:58 pm-2:02 pm

1 stop21h 04m

$287

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 10/24

3:00 am-10:17 am

1 stop7h 17m

Washington, D.C. Dulles Intl

Wed 10/28

11:16 am-12:59 am

2 stops13h 43m

$287

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 10/15

7:00 am-8:11 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Mon 10/19

6:36 pm-9:18 am

2 stops14h 42m

$287

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Tue 10/27

8:45 am-8:11 pm

1 stop11h 26m

Washington, D.C. Dulles Intl

Sun 11/8

7:40 am-12:59 am

1 stop16h 19m

$288

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 10/8

7:00 am-8:11 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Mon 10/12

6:36 pm-2:36 pm

2 stops20h 00m

$297

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Sun 9/27

2:57 am-5:56 pm

2 stops14h 59m

Washington, D.C. Dulles Intl

Thu 10/1

11:12 am-11:13 pm

1 stop12h 01m

$308

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 11/18

8:05 am-11:09 am

Nonstop4h 04m

Washington, D.C. Dulles Intl

Mon 11/30

5:29 pm-10:22 pm

Nonstop3h 53m

$324

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 11/19

5:50 pm-8:56 pm

Nonstop4h 06m

Washington, D.C. Dulles Intl

Mon 11/23

8:22 am-1:15 pm

Nonstop3h 53m

$325

Quickest round-trip

San JuanWashington, D.C.

SJU San Juan Luis Munoz Marin Intl - IAD Washington, D.C. Dulles Intl

SJUIAD

San Juan Luis Munoz Marin Intl

Tue 10/6

4:55 pm-8:47 pm

Nonstop3h 52m

Washington, D.C. Dulles Intl

Mon 10/19

8:40 am-12:34 pm

Nonstop3h 54m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $315 to $467.
The lowest price recently found on this route was $287.

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 $114. 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 $149.

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 $392. 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 $729.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $442 when looking at flights departing in the afternoon. 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 from San Juan Luis Munoz Marin Intl Airport 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 $360 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 $213 on momondo.

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

There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport 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 15% 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 September 2026, prices for San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 110% more expensive 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	$143
Fastest flight time	3h 52m
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 $143. 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 $287.

The fastest flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport takes 3h 52m

Direct flights go from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport

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 52m.
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?
As of September 2026, there are 2 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport is Airbus A321neo, representing 25.84% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 19.70%, Airbus A321 (sharklets) at 10.22%, and Airbus A320-100/200 at 8.92%.
What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between San Juan Luis Munoz Marin Intl Airport and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 68% of the total bookings. Other popular airlines include Frontier with 32%.

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
Frontier	PriceFrom $76	Free Cancellation	Rating 5.6 2,611 reviews		Search Frontier flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights

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Sterling

Fairfax

Springfield

Colonial Beach

Glen Burnie

Edgewood

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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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. from $143

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

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An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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