Question 1

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

Accepted Answer

Over the last year, JetBlue have had the lowest number of delays on this route, with just 24% of flights being delayed.

Question 2

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

Accepted Answer

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Question 3

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

Accepted Answer

About 24% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 150 minutes.

Question 4

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

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Question 5

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to San Juan round-trip?

Accepted Answer

Frontier, at $103, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to San Juan.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Frontier is 75% cheaper than the other options available to this destination.

Question 6

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to San Juan one-way?

Accepted Answer

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $68. JetBlue flights start at $118 while deals on American Airlines start at $121 one-way.

Question 7

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Juan?

Accepted Answer

The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 8

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Juan?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $340). Flying from Washington, D.C. Reagan-National Airport to San Juan in June is currently the most expensive (average of $532). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 9

Weekly flight availability from Washington, D.C. Reagan-National Airport to San Juan

Accepted Answer

The most flights from DCA to PR1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Question 12

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

Accepted Answer

While on average a flight from Washington, D.C. Reagan-National Airport to San Juan is generally $371, our data shows the cheapest flight currently is $178. When looking at the most popular route, (Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl), you can expect to pay $247 for that flight.

Question 13

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to San Juan?

Accepted Answer

JetBlue, American Airlines and Southwest are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to San Juan.

Question 14

What is the cheapest time of day to fly from DCA to SJU?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to San Juan as you normally would.

Question 15

Can I find deals for flights from Reagan-National to San Juan that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Reagan-National to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 16

How can I find direct flights from Reagan-National to San Juan?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to San Juan.

Question 17

Can I find deals for business class flights from Reagan-National to San Juan?

Accepted Answer

Yes. Cheapflights offers flight deals from Reagan-National to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	June
Cheapest in	October
Average price	$412

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$103	Average$389	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$142	Average$503	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$230	Average$406	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$246	Average$459	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$266	Average$361	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$301	Average$404	FlexibilityNo cancel fee	On-time63%

Cheap flights from Reagan-National (DCA) to San Juan

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Best time to book a flight from Reagan-National to San Juan

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Cheapflights Insights

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Juan?

The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Juan?

What is the cheapest time of day to fly from DCA to SJU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to San Juan as you normally would.

Weekly flight availability from Washington, D.C. Reagan-National Airport to San Juan

The most flights from DCA to PR1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

About 24% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 150 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, JetBlue have had the lowest number of delays on this route, with just 24% of flights being delayed.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,United Airlines, andJetBlue from Washington, D.C. Reagan-National Airport to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to San Juan round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to San Juan one-way?

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

Can I find deals for flights from Reagan-National to San Juan that include hotel bookings?

How can I find direct flights from Reagan-National to San Juan?

Can I find deals for business class flights from Reagan-National to San Juan?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Juan?

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Alternative routes for Reagan-National to San Juan

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Complete your trip

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Reagan-National and San Juan flights

Browse other Reagan-National and San Juan flight options. Last updated on September 29, 2026.

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