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Luis Munoz Marin Intl

$90+ Cheap flights from Washington, D.C. (WAS) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to San Juan Luis Munoz Marin Intl are usually found in July or March, booked 51 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap 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 September 15, 2025.

Round-trip from

$164
(Kiwi.com)

One-way from

$90
(Trip.com)

Popular in

December

Cheapest in

July

Average price

$355

Good round-trip deal

$233 or less

Good one-way deal

$125 or less
From Washington, D.C. (WAS) to San Juan Luis Munoz Marin Intl
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One-way flight from Washington, D.C. (WAS) to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to San Juan Luis Munoz Marin Intl.
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Find flight deals from Washington, D.C. to Luis Munoz Marin Intl

Cheapest flights from Washington, D.C. to Luis Munoz Marin Intl
Explore the most affordable flight options available from Washington, D.C. to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:26 pmIAD - SJU
Nonstop3h 52mFrontier
Thu 11/133:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/12$164
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:30 amBWI - SJU
1 stop8h 47mSpirit Airlines
Thu 10/27:05 amSJU - BWI
Nonstop4h 00mSpirit Airlines
Deal found 9/14$177
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:42 pmBWI - SJU
Nonstop3h 54mSpirit Airlines
Thu 10/237:05 amSJU - BWI
Nonstop4h 03mSpirit Airlines
Deal found 9/15$180
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:26 pmIAD - SJU
Nonstop3h 52mFrontier
Sun 11/93:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/15$181
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:07 pmIAD - SJU
Nonstop3h 52mFrontier
Sun 11/23:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/14$182
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:07 pmIAD - SJU
Nonstop3h 52mFrontier
Sun 11/23:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/14$183
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:42 pmBWI - SJU
Nonstop4h 01mSpirit Airlines
Wed 10/16:44 amSJU - BWI
1 stop8h 48mSpirit Airlines
Deal found 9/12$183
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:08 amIAD - SJU
Nonstop3h 54mFrontier
Sun 12/146:00 amSJU - IAD
Nonstop4h 13mFrontier
Deal found 9/14$184
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:26 pmIAD - SJU
Nonstop3h 52mFrontier
Thu 11/63:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/15$185
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:17 pmBWI - SJU
1 stop14h 39mSpirit Airlines
Sun 11/28:05 amSJU - BWI
Nonstop4h 00mSpirit Airlines
Deal found 9/14$185
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:26 pmIAD - SJU
Nonstop3h 52mFrontier
Sun 11/23:45 pmSJU - IAD
Nonstop3h 56mFrontier
Deal found 9/13$186
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:49 pmBWI - SJU
1 stop15h 15mSpirit Airlines
Mon 10/62:49 amSJU - BWI
1 stop9h 51mSpirit Airlines
Deal found 9/13$186

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 10/21

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Thu 10/23

6:07 pm-9:59 pm

Nonstop3h 52m

$236

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 11/11

7:01 am-5:26 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Thu 11/13

3:20 pm-11:03 pm

1 stop8h 43m

$245

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 11/10

7:01 am-2:17 pm

1 stop6h 16m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:00 am-5:04 pm

1 stop11h 04m

$245

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 10/21

7:37 am-1:52 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Fri 10/24

6:05 pm-9:57 pm

Nonstop3h 52m

$246

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 10/12

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Thu 10/16

1:25 pm-10:56 pm

1 stop9h 31m

$261

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 12/5

12:30 pm-11:54 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Wed 12/10

6:51 pm-9:48 pm

Nonstop3h 57m

$268

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 12/2

1:45 pm-11:54 pm

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:51 pm-9:48 pm

Nonstop3h 57m

$268

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Thu 10/30

1:45 pm-10:54 pm

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Tue 11/4

11:30 am-6:59 pm

1 stop8h 29m

$278

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 12/5

1:45 pm-11:54 pm

1 stop9h 09m

San Juan Luis Munoz Marin Intl

Fri 12/12

5:01 am-12:17 pm

1 stop8h 16m

$296

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 11/10

9:25 am-10:20 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Thu 11/13

6:40 am-3:40 pm

1 stop10h 00m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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The best insider tips for Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to San Juan Luis Munoz Marin Intl Airport trip
Airports
IAD

Check-in at IAD can be crowded in the afternoon and evening. Arrive early to navigate the busy check-in area smoothly.

Read more about IADby Ramsey Qubein
SJU

For a quick ride from SJU, rideshare services like Uber are convenient and cashless, but taxis are also readily available.

Read more about SJUby Brandon Schultz
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 round-trip 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 round-trip flight from Washington, D.C. to Luis Munoz Marin Intl. Price data was last updated on September 12, 2025.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September 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 $254). Flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Luis Munoz Marin Intl. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Washington, D.C. to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from WAS to SJU are scheduled on a Saturday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

What’s the top layover airport for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $152.

What’s the fastest layover option from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 6h 40m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 39m.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and JetBlue from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,912 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    Airlines like JetBlue, Delta, and United Airlines fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in about 3h 45m. The time it takes to get you to your destination can typically vary by up to 5h 40m. The distance between Washington, D.C. and San Juan Luis Munoz Marin Intl Airport is about 1557 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $85. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $115 and $145, respectively. Frontier is 75% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $118. JetBlue flights start at $118 while deals on Delta start at $123 one-way.

  • What are the most popular routes from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    The most popular flight routes from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport are Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl, Baltimore/Washington - San Juan Luis Munoz Marin Intl and Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl.

  • What are the most reliable airlines from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport consider choosing Air Canada (72%), United Airlines (72%) or Brussels Airlines (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    Looking for the cheapest flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport? While on average our users pay $589, our data indicates the cheapest price to be $75. The most popular route (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl), is priced around $205.

  • Where are the most common layover locations when flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?

    Flights departing from Washington, D.C. and landing in San Juan Luis Munoz Marin Intl Airport layover in Orlando most frequently.

  • What are some popular things to do or see while on a layover in Orlando?

    Orlando travelers tend to visit Walt Disney World Resort, Universal Orlando Resort, and International Drive more than anywhere else. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be accessed by traveling approximately 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers can rent a car at Orlando for an average daily rate of $27 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flights?

    Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flights have a layover in Fort Lauderdale least often.

  • 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 vacation 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, September 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 $254). Flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights

Top 7 airlines flying from Washington, D.C. to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Washington, D.C. to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$276FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$272FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$145Average$462FlexibilityNo cancel feeOn-time71%
DeltaCheapest$164Average$388FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$168Average$400FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$199Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$463FlexibilityNo cancel feeOn-time63%

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