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

As of September 2025, 27 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 19% 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 Baltimore or Washington, D.C., and flying into San Juan, then you can expect flight times to average 3h 39m and 3h 43m, respectively.

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

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

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

As of September 2025, 3 flights take off from Washington, D.C. and land in San Juan each day. The most common flight departure time for this route is 8:00AM, with 80% of daily flights taking off at noon.

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 34% 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 September 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 $223 to $440. The lowest price recently found on this route was $174.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:26 pm - 12:18 amIAD-SJU

3h 52mnonstop

3:45 pm - 6:41 pmSJU-IAD

3h 56mnonstop

$174Frontier

Find Deal

Thu, Nov 6 - Thu, Nov 13

9:07 pm - 12:59 amIAD-SJU

3h 52mnonstop

3:45 pm - 6:41 pmSJU-IAD

3h 56mnonstop

$182Frontier

Find Deal

Sun, Oct 26 - Sun, Nov 2

7:00 pm - 10:56 amBWI-SJU

15h 56m1 stop

7:05 am - 11:08 amSJU-BWI

4h 03mnonstop

$189Spirit Airlines

Find Deal

Sat, Oct 18 - Thu, Oct 23

9:37 pm - 9:52 amBWI-SJU

11h 15m1 stop

3:59 am - 6:57 amSJU-BWI

3h 58mnonstop

$193Spirit Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

8:30 am - 12:15 pmDCA-SJU

3h 45mnonstop

6:05 pm - 9:57 pmSJU-DCA

3h 52mnonstop

$209JetBlue

Find Deal

Mon, Oct 20 - Fri, Oct 24

4:00 pm - 11:49 pmIAD-SJU

6h 49m1 stop

6:17 pm - 12:07 amSJU-IAD

6h 50m1 stop

$215Delta

Find Deal

Mon, Feb 23 - Thu, Feb 26

6:05 am - 4:51 pmDCA-SJU

9h 46m1 stop

7:30 am - 6:16 pmSJU-DCA

11h 46m1 stop

$215Delta

Find Deal

Mon, Feb 23 - Thu, Feb 26

8:30 am - 12:15 pmDCA-SJU

3h 45mnonstop

6:02 pm - 9:59 pmSJU-DCA

3h 57mnonstop

$217JetBlue

Find Deal

Sun, Oct 19 - Tue, Oct 28

8:05 pm - 1:01 pmIAD-SJU

15h 56m1 stop

3:41 pm - 12:01 amSJU-IAD

9h 20m1 stop

$245American Airlines

Find Deal

Sun, Dec 7 - Thu, Dec 11

5:26 pm - 10:07 amBWI-SJU

15h 41m1 stop

2:50 pm - 12:29 amSJU-BWI

10h 39m1 stop

$245American Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 9

Spirit Airlines flights from Washington, D.C. to San Juan

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

Spirit Airlines

Oct 18

BWI7:00 pmBaltimore/Washington

15h 56m

1 stop

SJU10:56 amSan Juan Luis Munoz Marin Intl

Oct 23

SJU7:05 amSan Juan Luis Munoz Marin Intl

4h 03m

BWI11:08 amBaltimore/Washington

$189

Find similar

Spirit Airlines

Nov 12

BWI9:37 pmBaltimore/Washington

11h 15m

1 stop

SJU9:52 amSan Juan Luis Munoz Marin Intl

Nov 16

SJU3:59 amSan Juan Luis Munoz Marin Intl

3h 58m

BWI6:57 amBaltimore/Washington

$193

Find similar

Spirit Airlines

Nov 4

BWI8:00 amBaltimore/Washington

6h 12m

1 stop

SJU3:12 pmSan Juan Luis Munoz Marin Intl

Nov 6

SJU3:59 amSan Juan Luis Munoz Marin Intl

3h 58m

BWI6:57 amBaltimore/Washington

$200

Find similar

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

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

American Airlines

Dec 7

IAD8:05 pmWashington, D.C. Dulles Intl

15h 56m

1 stop

SJU1:01 pmSan Juan Luis Munoz Marin Intl

Dec 11

SJU3:41 pmSan Juan Luis Munoz Marin Intl

9h 20m

1 stop

IAD12:01 amWashington, D.C. Dulles Intl

$245

Find similar

American Airlines

Oct 15

DCA12:54 pmWashington, D.C. Reagan-National

11h 05m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Nov 14

SJU6:25 amSan Juan Luis Munoz Marin Intl

10h 31m

1 stop

DCA3:56 pmWashington, D.C. Reagan-National

$282

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

Thu 11/6

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Thu 11/13

3:45 pm-6:41 pm

Nonstop3h 56m

$174

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 10/26

9:07 pm-12:59 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Sun 11/2

3:45 pm-6:41 pm

Nonstop3h 56m

$182

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 10/18

7:00 pm-10:56 am

1 stop15h 56m

San Juan Luis Munoz Marin Intl

Thu 10/23

7:05 am-11:08 am

Nonstop4h 03m

$189

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 11/12

9:37 pm-9:52 am

1 stop11h 15m

San Juan Luis Munoz Marin Intl

Sun 11/16

3:59 am-6:57 am

Nonstop3h 58m

$193

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 10/20

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Fri 10/24

6:05 pm-9:57 pm

Nonstop3h 52m

$209

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 2/23

4:00 pm-11:49 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:17 pm-12:07 am

1 stop6h 50m

$215

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 2/23

6:05 am-4:51 pm

1 stop9h 46m

San Juan Luis Munoz Marin Intl

Thu 2/26

7:30 am-6:16 pm

1 stop11h 46m

$215

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 10/19

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Tue 10/28

6:02 pm-9:59 pm

Nonstop3h 57m

$217

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 12/7

8:05 pm-1:01 pm

1 stop15h 56m

San Juan Luis Munoz Marin Intl

Thu 12/11

3:41 pm-12:01 am

1 stop9h 20m

$245

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 12/7

5:26 pm-10:07 am

1 stop15h 41m

San Juan Luis Munoz Marin Intl

Tue 12/9

2:50 pm-12:29 am

1 stop10h 39m

$245

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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 $360. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $478.

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 $478 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 Baltimore/Washington 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 $428 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 $348 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 42m 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 September 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 3,158 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $98	Free Cancellation	Rating 6.3 8,050 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $145	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
JetBlue	PriceFrom $161	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Delta	PriceFrom $164	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
Southwest	PriceFrom $220	Free Cancellation	Rating 8.0 4,246 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

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.

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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

Fly to other destinations from Washington, D.C.

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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 10/26. 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

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Filter for what you want

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

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Cheap direct flights

Spirit Airlines flights from Washington, D.C. to San Juan

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

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

Our best American Airlines 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 $360. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $478.

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 Baltimore/Washington 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?

Spirit Airlines, JetBlue, and Frontier 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 September 2025, 3 flights take off from Washington, D.C. and land in San Juan each day. The most common flight departure time for this route is 8:00AM, with 80% of daily flights taking off at noon.

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

As of September 2025, 27 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 19% 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 Baltimore or Washington, D.C., and flying into San Juan, then you can expect flight times to average 3h 39m 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