What airlines fly to San Juan?

JetBlue, American Airlines and Southwest are the top three most popular airlines that fly to San Juan from Washington, D.C. Reagan-National Airport according to our data. JetBlue is the first choice among our users, with 85% 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.

How often are flights from Washington, D.C. to San Juan delayed?

Historically, on average around 17% of flights between Washington, D.C. and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Washington, D.C. to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to San Juan flights?

According to our data, JetBlue have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

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

United Airlines and JetBlue are the most popular carriers operating from Washington, D.C. Reagan-National to San Juan

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

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

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

As of December 2025, there are 7 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to San Juan.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to San Juan.

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

The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$103 Cheap Flights from Washington, D.C. Reagan-National Airport to San Juan in 2025/26

Q: How many flights depart from Washington, D.C. Reagan-National Airport to San Juan on average per week?

As of December 2025, 6 flights take off from Washington, D.C. Reagan-National Airport and land in San Juan each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to San Juan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:30 pm - 9:32 pm

SJU

DCA

4h 02mnonstop

$181JetBlue

Wed, Jan 21 - Tue, Jan 27

7:30 am - 3:30 pm

DCA

SJU

7h 00m1 stop

6:30 pm - 9:32 pm

SJU

DCA

4h 02mnonstop

$194JetBlue

Wed, Jan 21 - Tue, Jan 27

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:30 pm - 9:32 pm

SJU

DCA

4h 02mnonstop

$195JetBlue

Mon, Jan 26 - Fri, Jan 30

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:35 pm - 9:36 pm

SJU

DCA

4h 01mnonstop

$197JetBlue

Fri, Jan 9 - Sat, Jan 17

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:30 pm - 9:32 pm

SJU

DCA

4h 02mnonstop

$198JetBlue

Mon, Jan 19 - Thu, Jan 22

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:35 pm - 9:36 pm

SJU

DCA

4h 01mnonstop

$201JetBlue

Fri, Jan 9 - Sat, Jan 17

5:20 pm - 1:22 am

DCA

SJU

7h 02m1 stop

6:35 pm - 9:36 pm

SJU

DCA

4h 01mnonstop

$205JetBlue

Fri, Jan 9 - Sat, Jan 17

1:00 pm - 12:36 am

DCA

SJU

10h 36m2 stops

4:52 pm - 11:59 pm

SJU

DCA

8h 07m1 stop

$207United Airlines

Mon, Jan 26 - Wed, Jan 28

8:15 am - 1:08 pm

DCA

SJU

3h 53mnonstop

6:30 pm - 9:32 pm

SJU

DCA

4h 02mnonstop

$210JetBlue

Sun, Jan 11 - Thu, Jan 15

5:20 pm - 1:22 am

DCA

SJU

7h 02m1 stop

6:35 pm - 9:36 pm

SJU

DCA

4h 01mnonstop

$212JetBlue

Fri, Jan 9 - Sat, Jan 17

American Airlines flights from Washington, D.C. Reagan-National Airport to San Juan

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

American Airlines

Jan 11

DCA1:44 pmWashington, D.C. Reagan-National

9h 12m

1 stop

SJU11:56 pmSan Juan Luis Munoz Marin Intl

Jan 16

SJU5:55 pmSan Juan Luis Munoz Marin Intl

6h 39m

1 stop

DCA11:34 pmWashington, D.C. Reagan-National

$224

Find similar

American Airlines

Jan 18

DCA10:10 amWashington, D.C. Reagan-National

9h 40m

1 stop

SJU8:50 pmSan Juan Luis Munoz Marin Intl

Jan 25

SJU3:49 pmSan Juan Luis Munoz Marin Intl

8h 45m

1 stop

DCA11:34 pmWashington, D.C. Reagan-National

$232

Find similar

American Airlines

Jan 12

DCA9:55 amWashington, D.C. Reagan-National

7h 27m

1 stop

SJU6:22 pmSan Juan Luis Munoz Marin Intl

Jan 16

SJU2:28 pmSan Juan Luis Munoz Marin Intl

8h 02m

1 stop

DCA9:30 pmWashington, D.C. Reagan-National

$233

Find similar

JetBlue flights from Washington, D.C. Reagan-National Airport to San Juan

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to San Juan flight tickets

JetBlue

Jan 21

DCA8:15 amWashington, D.C. Reagan-National

3h 53m

SJU1:08 pmSan Juan Luis Munoz Marin Intl

Jan 27

SJU6:30 pmSan Juan Luis Munoz Marin Intl

4h 02m

DCA9:32 pmWashington, D.C. Reagan-National

$181

Find similar

JetBlue

Jan 21

DCA7:30 amWashington, D.C. Reagan-National

7h 00m

1 stop

SJU3:30 pmSan Juan Luis Munoz Marin Intl

Jan 27

SJU6:30 pmSan Juan Luis Munoz Marin Intl

4h 02m

DCA9:32 pmWashington, D.C. Reagan-National

$194

Find similar

JetBlue

Jan 26

DCA8:15 amWashington, D.C. Reagan-National

3h 53m

SJU1:08 pmSan Juan Luis Munoz Marin Intl

Feb 5

SJU6:30 pmSan Juan Luis Munoz Marin Intl

4h 02m

DCA9:32 pmWashington, D.C. Reagan-National

$195

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 1/21

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Tue 1/27

6:30 pm-9:32 pm

Nonstop4h 02m

$181

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 1/21

7:30 am-3:30 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Tue 1/27

6:30 pm-9:32 pm

Nonstop4h 02m

$194

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 1/26

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Fri 1/30

6:30 pm-9:32 pm

Nonstop4h 02m

$195

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 1/9

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:35 pm-9:36 pm

Nonstop4h 01m

$197

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 1/19

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Thu 1/22

6:30 pm-9:32 pm

Nonstop4h 02m

$198

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 1/9

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:35 pm-9:36 pm

Nonstop4h 01m

$201

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 1/9

5:20 pm-1:22 am

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:35 pm-9:36 pm

Nonstop4h 01m

$205

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 1/26

1:00 pm-12:36 am

2 stops10h 36m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:52 pm-11:59 pm

1 stop8h 07m

$207

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 1/11

8:15 am-1:08 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:30 pm-9:32 pm

Nonstop4h 02m

$210

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 1/9

5:20 pm-1:22 am

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:35 pm-9:36 pm

Nonstop4h 01m

$212

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. Reagan-National Airport 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

Delays

Other information

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then February is your next best option. Flight prices from Washington, D.C. Reagan-National Airport to San Juan during February average around $378.

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to San Juan is on a Tuesday when prices can be found for as low as $365. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $458.

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 afternoon when prices are $427 on average. Flights to San Juan from Washington, D.C. Reagan-National Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $411 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. Reagan-National Airport for as low as $360 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National Airport to San Juan flight deals and tips

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

Fastest flight time	3h 40m
Direct flights	Every day
Airports in San Juan	2 airports

The fastest flight from Washington, D.C. Reagan-National Airport to San Juan takes 3h 40m

Direct flights go from Washington, D.C. Reagan-National Airport to San Juan every day.

There are 2 airports in San Juan. From Washington, D.C. Reagan-National Airport there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

How far is Washington, D.C. Reagan-National to San Juan by plane?
A flight from Washington, D.C. Reagan-National to San Juan will travel around 1552.6 mi. 3h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to San Juan?
Prices for flights from Washington, D.C. Reagan-National Airport to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to San Juan?
As of December 2025, there are 7 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to San Juan.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Reagan-National Airport to San Juan

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $97	Free Cancellation	Rating 5.7 3,064 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $103	Free Cancellation	Rating 6.3 8,212 reviews	Search Spirit Airlines flights
Delta	PriceFrom $142	Free Cancellation	Rating 7.9 8,016 reviews	Search Delta flights
Southwest	PriceFrom $220	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $220	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights
JetBlue	PriceFrom $235	Free Cancellation	Rating 7.2 2,901 reviews	Search JetBlue flights
American Airlines	PriceFrom $241	Free Cancellation	Rating 7.2 11,071 reviews	Search American Airlines 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?

momondo does allow users to show only those flights to San Juan from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to San Juan from Washington, D.C. 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 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 1/27

Tue 2/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

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. Reagan-National Airport

Flights from Washington, D.C. Reagan-National to Denver Intl

Flights from Washington, D.C. Reagan-National to Orlando

Flights from Washington, D.C. Reagan-National to New York LaGuardia

Flights from Washington, D.C. Reagan-National to Boston Logan Intl

Flights from Washington, D.C. Reagan-National to Fort Lauderdale

Flights from Washington, D.C. Reagan-National to Palm Beach Intl

Cheap flights from Washington, D.C. Reagan-National Airport to San Juan from $103

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington, D.C. Reagan-National Airport to San Juan

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Washington, D.C. Reagan-National Airport to San Juan

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

JetBlue flights from Washington, D.C. Reagan-National Airport to San Juan

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to San Juan flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to San Juan

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then February is your next best option. Flight prices from Washington, D.C. Reagan-National Airport to San Juan during February average around $378.

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to San Juan is on a Tuesday when prices can be found for as low as $365. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $458.

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

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

Fly from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National to San Juan flights?

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National to San Juan?

United Airlines and JetBlue are the most popular carriers operating from Washington, D.C. Reagan-National to San Juan

What airlines fly to San Juan?

How often are flights from Washington, D.C. to San Juan delayed?

Historically, on average around 17% of flights between Washington, D.C. and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Washington, D.C. to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to San Juan flights?

According to our data, JetBlue have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

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

As of December 2025, 6 flights take off from Washington, D.C. Reagan-National Airport and land in San Juan each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

Cheap Washington, D.C. Reagan-National Airport to San Juan flight deals and tips

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

Fastest flight time

Direct flights

Airports in San Juan

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

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

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

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

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

Best airlines flying from Washington, D.C. Reagan-National Airport to San Juan

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport 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