Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Juan to Washington, D.C. from $107

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 to Washington, D.C. departing on 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Juan to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:48 pm - 11:07 am
SJU
-
IAD
17h 19m2 stops
Frontier Logo
4:17 pm - 9:02 pm
IAD
-
SJU
3h 45mnonstop
$167Frontier
Fri, Jan 16 - Sat, Jan 17
Multiple Airlines Logo
6:00 am - 1:03 pm
SJU
-
IAD
8h 03m1 stop
Multiple Airlines Logo
1:48 pm - 6:58 pm
IAD
-
SJU
28h 10m1 stop
$170Multiple Airlines
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
6:00 am - 1:03 pm
SJU
-
IAD
8h 03m1 stop
Multiple Airlines Logo
10:08 pm - 3:35 pm
IAD
-
SJU
16h 27m2 stops
$173Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
6:00 am - 1:03 pm
SJU
-
IAD
8h 03m1 stop
Multiple Airlines Logo
10:08 pm - 3:35 pm
IAD
-
SJU
16h 27m2 stops
$175Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
12:14 pm - 3:22 pm
SJU
-
IAD
4h 08mnonstop
Frontier Logo
1:30 pm - 12:34 am
IAD
-
SJU
10h 04m1 stop
$179Frontier
Sat, Jan 17 - Sun, Jan 25
Frontier Logo
12:14 pm - 3:22 pm
SJU
-
IAD
4h 08mnonstop
Frontier Logo
9:35 am - 3:26 pm
IAD
-
SJU
28h 51m1 stop
$180Frontier
Sat, Jan 17 - Fri, Jan 23
Frontier Logo
8:00 am - 8:40 am
SJU
-
IAD
25h 40m1 stop
Frontier Logo
1:31 pm - 3:26 pm
IAD
-
SJU
24h 55m1 stop
$181Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
7:04 pm - 2:08 pm
SJU
-
IAD
20h 04m1 stop
Frontier Logo
7:19 pm - 12:13 am
IAD
-
SJU
3h 54mnonstop
$185Frontier
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
10:47 pm - 11:28 am
SJU
-
IAD
13h 41m2 stops
Frontier Logo
7:19 pm - 12:13 am
IAD
-
SJU
3h 54mnonstop
$186Frontier
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
3:11 pm - 6:24 pm
SJU
-
IAD
4h 13mnonstop
Frontier Logo
7:19 pm - 12:13 am
IAD
-
SJU
3h 54mnonstop
$187Frontier
Fri, Jan 9 - Sun, Jan 11

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

Our best Frontier deals on San Juan to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jan 15
SJU11:15 amSan Juan Luis Munoz Marin Intl
25h 28m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
Jan 19
IAD7:14 pmWashington, D.C. Dulles Intl
3h 45m
SJU11:59 pmSan Juan Luis Munoz Marin Intl
$162
Find similar
Frontier
Dec 23
SJU4:07 pmSan Juan Luis Munoz Marin Intl
4h 13m
IAD7:20 pmWashington, D.C. Dulles Intl
Jan 9
IAD7:19 pmWashington, D.C. Dulles Intl
3h 54m
SJU12:13 amSan Juan Luis Munoz Marin Intl
$164
Find similar
Frontier
Dec 23
SJU4:07 pmSan Juan Luis Munoz Marin Intl
4h 13m
IAD7:20 pmWashington, D.C. Dulles Intl
Dec 30
IAD8:15 pmWashington, D.C. Dulles Intl
3h 54m
SJU1:09 amSan Juan Luis Munoz Marin Intl
$166
Find similar

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

Our best American Airlines deals on San Juan to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 16
SJU3:49 pmSan Juan Luis Munoz Marin Intl
8h 23m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 19
IAD7:01 amWashington, D.C. Dulles Intl
6h 58m
1 stop
SJU2:59 pmSan Juan Luis Munoz Marin Intl
$233
Find similar
American Airlines
Feb 5
SJU3:49 pmSan Juan Luis Munoz Marin Intl
8h 23m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
Feb 10
IAD11:34 amWashington, D.C. Dulles Intl
8h 16m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
$238
Find similar
American Airlines
Jan 22
SJU8:20 amSan Juan Luis Munoz Marin Intl
9h 56m
1 stop
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 26
IAD11:34 amWashington, D.C. Dulles Intl
8h 16m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
$241
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan 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 December 18, 2025.
Use the filters below to find and compare flights from San Juan 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

Fri 1/16

6:48 pm-11:07 am

2 stops17h 19m

Washington, D.C. Dulles Intl

Sat 1/17

4:17 pm-9:02 pm

Nonstop3h 45m

$167

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/16

6:00 am-1:03 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Sun 1/18

1:48 pm-6:58 pm

1 stop28h 10m

$170

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/16

6:00 am-1:03 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Mon 1/19

10:08 pm-3:35 pm

2 stops16h 27m

$173

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/16

6:00 am-1:03 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Mon 1/19

10:08 pm-3:35 pm

2 stops16h 27m

$175

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 1/17

12:14 pm-3:22 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

Sun 1/25

1:30 pm-12:34 am

1 stop10h 04m

$179

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 1/17

12:14 pm-3:22 pm

Nonstop4h 08m

Washington, D.C. Dulles Intl

Fri 1/23

9:35 am-3:26 pm

1 stop28h 51m

$180

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 1/22

8:00 am-8:40 am

1 stop25h 40m

Washington, D.C. Dulles Intl

Mon 1/26

1:31 pm-3:26 pm

1 stop24h 55m

$181

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 1/8

7:04 pm-2:08 pm

1 stop20h 04m

Washington, D.C. Dulles Intl

Sun 1/11

7:19 pm-12:13 am

Nonstop3h 54m

$185

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/9

10:47 pm-11:28 am

2 stops13h 41m

Washington, D.C. Dulles Intl

Sun 1/11

7:19 pm-12:13 am

Nonstop3h 54m

$186

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/9

3:11 pm-6:24 pm

Nonstop4h 13m

Washington, D.C. Dulles Intl

Sun 1/11

7:19 pm-12:13 am

Nonstop3h 54m

$187

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Juan 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, July is the cheapest month to fly from San Juan 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 $223. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $249.

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 $330. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Juan to Washington, D.C. Dulles Intl Airport for around $730.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $369 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $491 on average. Flights to Washington, D.C. Dulles Intl Airport from San Juan in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Juan 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 - 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 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 $346 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 for as low as $205 on momondo.

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

There are 4 cabin classes available to choose from on San Juan 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.

Cheap San Juan to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Fastest flight time

3h 59m

Direct flights

Every day
The fastest flight from San Juan to Washington, D.C. Dulles Intl Airport takes 3h 59m
Direct flights go from San Juan to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    There are 1569.0 mi between San Juan and Washington, D.C. Dulles Intl. Typically, this will take 3h 59m by plane in normal conditions.

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

    Prices for flights from San Juan to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan 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.

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

Compare and see reviews for airlines that fly from San Juan to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $98Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $269Free CancellationRating
7.9
8,006 reviews
Search Delta flights

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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Juan to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

All flight searches from San Juan to Washington, D.C. on momondo can be filtered to show those which offer 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?

Price alerts on flights to Washington, D.C. from San Juan are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.