How many flights depart from Washington, D.C. to San Juan on average per week?

As of November 2025, 56 flights take off from Washington, D.C. and land in San Juan each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

How many flights depart from Washington, D.C. to San Juan on average per day?

As of November 2025, 8 flights take off from Washington, D.C. and land in San Juan each day. The most common flight departure time for this route is 5:00PM, with 47% of daily flights taking off in the afternoon.

How long does it take to fly to San Juan?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into San Juan, then you can expect flight times to average 3h 42m and 3h 43m, respectively.

What is the cheapest airline that flies from Washington, D.C. to San Juan?

Frontier, JetBlue, and Delta are the most popular carriers operating from Washington, D.C. to San Juan

What airlines fly to San Juan?

Spirit Airlines, Frontier and JetBlue are the top three most popular airlines that fly to San Juan from Washington, D.C. according to our data. Spirit Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 7 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Washington, D.C. to San Juan are refreshed on a daily basis.

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

The number of operators available for flights from Washington, D.C. to San Juan is 7 as of November 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to San Juan.

What documentation or ID do you need to fly to San Juan?

The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$85 Cheap Flights from Washington, D.C. to San Juan in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and San Juan?

Prices are currently low for flights on this route. Typical prices usually range from $273 to $492. The lowest price recently found on this route was $188.

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

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:06 pm - 12:53 amIAD-SJU

3h 47mnonstop

6:30 am - 9:43 amSJU-IAD

4h 13mnonstop

$188Frontier

Find Deal

Mon, Nov 24 - Thu, Dec 4

12:04 pm - 11:50 pmIAD-SJU

10h 46m1 stop

4:18 pm - 7:31 pmSJU-IAD

4h 13mnonstop

$189Frontier

Find Deal

Sun, Dec 14 - Sat, Dec 20

7:18 pm - 10:32 amIAD-SJU

14h 14m2 stops

3:21 pm - 1:14 pmSJU-IAD

22h 53m1 stop

$191Frontier

Find Deal

Thu, Dec 11 - Thu, Dec 18

6:00 am - 4:52 pmDCA-SJU

9h 52m1 stop

7:00 am - 4:29 pmSJU-DCA

10h 29m1 stop

$195Delta

Find Deal

Sun, Jan 25 - Thu, Jan 29

12:20 pm - 11:49 pmDCA-SJU

10h 29m1 stop

6:15 am - 4:59 pmSJU-DCA

10h 44m1 stop

$210Delta

Find Deal

Tue, Mar 3 - Tue, Mar 10

5:00 am - 11:59 amDCA-SJU

5h 59m1 stop

6:42 pm - 12:38 amSJU-DCA

6h 56m1 stop

$215American Airlines

Find Deal

Sun, Dec 7 - Wed, Dec 10

8:00 am - 12:42 pmDCA-SJU

3h 42mnonstop

6:45 pm - 9:46 pmSJU-DCA

4h 01mnonstop

$216JetBlue

Find Deal

Tue, Jan 27 - Fri, Jan 30

7:00 am - 6:02 pmDCA-SJU

10h 02m1 stop

6:45 pm - 9:46 pmSJU-DCA

4h 01mnonstop

$218JetBlue

Find Deal

Sun, Jan 25 - Thu, Jan 29

9:09 pm - 9:47 amBWI-SJU

11h 38m1 stop

12:00 pm - 3:12 pmSJU-BWI

4h 12mnonstop

$224Spirit Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

11:30 am - 11:32 pmBWI-SJU

11h 02m1 stop

9:29 pm - 12:38 amSJU-BWI

4h 09mnonstop

$225Spirit Airlines

Find Deal

Wed, Jan 21 - Sat, Jan 24

Delta flights from Washington, D.C. to San Juan

Our best Delta deals on Washington, D.C. to San Juan flight tickets

Delta

Jan 25

DCA6:00 amWashington, D.C. Reagan-National

9h 52m

1 stop

SJU4:52 pmSan Juan Luis Munoz Marin Intl

Jan 29

SJU7:00 amSan Juan Luis Munoz Marin Intl

10h 29m

1 stop

DCA4:29 pmWashington, D.C. Reagan-National

$195

Find similar

Delta

Mar 3

DCA12:20 pmWashington, D.C. Reagan-National

10h 29m

1 stop

SJU11:49 pmSan Juan Luis Munoz Marin Intl

Mar 10

SJU6:15 amSan Juan Luis Munoz Marin Intl

10h 44m

1 stop

DCA4:59 pmWashington, D.C. Reagan-National

$210

Find similar

Delta

Jan 17

IAD12:23 pmWashington, D.C. Dulles Intl

10h 36m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Jan 21

SJU2:15 pmSan Juan Luis Munoz Marin Intl

11h 09m

1 stop

IAD12:24 amWashington, D.C. Dulles Intl

$222

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Frontier flights from Washington, D.C. to San Juan

Our best Frontier deals on Washington, D.C. to San Juan flight tickets

Frontier

Nov 24

IAD8:06 pmWashington, D.C. Dulles Intl

3h 47m

SJU12:53 amSan Juan Luis Munoz Marin Intl

Dec 4

SJU6:30 amSan Juan Luis Munoz Marin Intl

4h 13m

IAD9:43 amWashington, D.C. Dulles Intl

$188

Find similar

Frontier

Dec 14

IAD12:04 pmWashington, D.C. Dulles Intl

10h 46m

1 stop

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Dec 20

SJU4:18 pmSan Juan Luis Munoz Marin Intl

4h 13m

IAD7:31 pmWashington, D.C. Dulles Intl

$189

Find similar

Frontier

Dec 11

IAD7:18 pmWashington, D.C. Dulles Intl

14h 14m

2 stops

SJU10:32 amSan Juan Luis Munoz Marin Intl

Dec 18

SJU3:21 pmSan Juan Luis Munoz Marin Intl

22h 53m

1 stop

IAD1:14 pmWashington, D.C. Dulles Intl

$191

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 11/24

8:06 pm-12:53 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Thu 12/4

6:30 am-9:43 am

Nonstop4h 13m

$188

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 12/14

12:04 pm-11:50 pm

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Sat 12/20

4:18 pm-7:31 pm

Nonstop4h 13m

$189

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 12/11

7:18 pm-10:32 am

2 stops14h 14m

San Juan Luis Munoz Marin Intl

Thu 12/18

3:21 pm-1:14 pm

1 stop22h 53m

$191

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 1/25

6:00 am-4:52 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:00 am-4:29 pm

1 stop10h 29m

$195

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 3/3

12:20 pm-11:49 pm

1 stop10h 29m

San Juan Luis Munoz Marin Intl

Tue 3/10

6:15 am-4:59 pm

1 stop10h 44m

$210

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 12/7

5:00 am-11:59 am

1 stop5h 59m

San Juan Luis Munoz Marin Intl

Wed 12/10

6:42 pm-12:38 am

1 stop6h 56m

$215

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 1/27

8:00 am-12:42 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Fri 1/30

6:45 pm-9:46 pm

Nonstop4h 01m

$216

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 1/25

7:00 am-6:02 pm

1 stop10h 02m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:45 pm-9:46 pm

Nonstop4h 01m

$218

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 1/7

9:09 pm-9:47 am

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Wed 1/14

12:00 pm-3:12 pm

Nonstop4h 12m

$224

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 1/21

11:30 am-11:32 pm

1 stop11h 02m

San Juan Luis Munoz Marin Intl

Sat 1/24

9:29 pm-12:38 am

Nonstop4h 09m

$225

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 Washington, D.C. to San Juan

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

Other information

What is the typical price of a round-trip flight between Washington, D.C. and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in July, then March is your next best option. Flight prices from Washington, D.C. to San Juan during March average around $294.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Washington, D.C. to San Juan is on a Tuesday when prices can be found for as low as $367. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $467.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $238. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $489 on average. Flights to San Juan from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. to San Juan flight route?

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

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Washington, D.C. for as low as $328 on momondo.

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

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

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

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

Fastest flight time	3h 39m
Direct flights	Every day
Airports in San Juan	1 airport

The fastest flight from Washington, D.C. to San Juan takes 3h 39m

Direct flights go from Washington, D.C. to San Juan every day.

There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)

Search flight deals

How far is Washington, D.C. to San Juan by plane?
A flight from Washington, D.C. to San Juan will travel around 1555.8 mi. 3h 39m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to San Juan?
Prices for flights from Washington, D.C. to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to San Juan?
The number of operators available for flights from Washington, D.C. to San Juan is 7 as of November 2025.
How old do you have to be to fly from Washington, D.C. to San Juan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Washington, D.C. to San Juan with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $85	Free Cancellation	Rating 5.8 3,114 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $98	Free Cancellation	Rating 6.3 8,139 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $145	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
JetBlue	PriceFrom $161	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
Southwest	PriceFrom $220	Free Cancellation	Rating 8.0 4,236 reviews	Search Southwest flights

Why use momondo?

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

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

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

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

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

Once you have performed a search for Washington, D.C. to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your San Juan trip

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Fly into one of these airports located in San Juan

San Juan Isla Grande Airport

San Juan Luis Munoz Marin Intl Airport

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Flights from Baltimore/Washington to Atlanta Hartsfield-Jackson

Cheap flights from Washington, D.C. to San Juan from $85

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. to San Juan departing on 1/17. 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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Big names and deals

Filter for what you want

Filter for what you want

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Cheap round-trip flights

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Delta flights from Washington, D.C. to San Juan

Our best Delta deals on Washington, D.C. to San Juan flight tickets

Frontier flights from Washington, D.C. to San Juan

Our best Frontier deals on Washington, D.C. to San Juan flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to San Juan that are best for you.

See travel insights to San Juan from

How to get the cheapest flight ticket from Washington, D.C. to San Juan

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 typical price of a round-trip flight between Washington, D.C. and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in July, then March is your next best option. Flight prices from Washington, D.C. to San Juan during March average around $294.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Washington, D.C. to San Juan is on a Tuesday when prices can be found for as low as $367. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $467.

What is the cheapest time of day to depart on your flight to San Juan?

What is the cheapest Washington, D.C. to San Juan flight route?

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

How far in advance should I book a flight to San Juan?

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

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

What is the cheapest airline that flies from Washington, D.C. to San Juan?

Frontier, JetBlue, and Delta are the most popular carriers operating from Washington, D.C. to San Juan

What airlines fly to San Juan?

How many flights depart from Washington, D.C. to San Juan on average per day?

As of November 2025, 8 flights take off from Washington, D.C. and land in San Juan each day. The most common flight departure time for this route is 5:00PM, with 47% of daily flights taking off in the afternoon.

How many flights depart from Washington, D.C. to San Juan on average per week?

As of November 2025, 56 flights take off from Washington, D.C. and land in San Juan each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

How long does it take to fly to San Juan?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into San Juan, then you can expect flight times to average 3h 42m and 3h 43m, respectively.

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

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

Fastest flight time

Direct flights

Airports in San Juan

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

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

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

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

What documentation or ID do you need to fly to San Juan?

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

Compare and see reviews for airlines that fly from Washington, D.C. to San Juan with momondo

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your San Juan 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan