Cheap flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport

WAS — SJU
18 Jan — 25 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Washington, D.C. to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2025.

Popular in

December

Cheapest in

July

Average price

₹ 40,342
Highest demand for flights based on searches. 10% potential increase in price (₹ 334,533 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (₹ 80,620 potential savings vs. average return price).
Average for round-trip flights in December 2025

Best time to book a flight from Washington, D.C. to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Luis Munoz Marin Intl. Price data was last updated on 12 December 2025.

The price you pay for your flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport (average of ₹ 7,762). Flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of ₹ 14,530). 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.

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

Find hourly flight availability from Washington, D.C. to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most reliable airlines from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport on time: Air Canada (72%), United Airlines (72%), Brussels Airlines (58%).

  • Can I find deals for flights from Washington, D.C. to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Washington, D.C. to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport (average of ₹ 7,762). Flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of ₹ 14,530). 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.

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Luis Munoz Marin Intl?

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Can Cheapflights find flights from Washington, D.C. to Luis Munoz Marin Intl with no change fees?

Need flexible booking options for your flight to Luis Munoz Marin Intl from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Luis Munoz Marin Intl become cheaper?

Yes, Cheapflights offers price alerts on Washington, D.C. to Luis Munoz Marin Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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