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Washington, D.C.

$79+ Cheap flights from Luis Munoz Marin Intl (SJU) to Washington, D.C. (WAS)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — WAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Washington, D.C. are usually found in July or May, booked 46 days in advance, depart on a Thursday or Friday and return on a Tuesday

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

Cheapest flights from Luis Munoz Marin Intl to Washington, D.C.
Explore the most affordable flight options available from Luis Munoz Marin Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Frontier deal was found by Cheapflights users on 12/16. 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.
Tue 12/234:07 pmSJU - IAD
Nonstop4h 13mFrontier
Fri 1/97:19 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/16$164
This Frontier deal was found by Cheapflights users on 12/16. 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.
Tue 12/234:07 pmSJU - IAD
Nonstop4h 13mFrontier
Tue 12/308:15 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/16$166
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:18 pmSJU - IAD
Nonstop4h 13mFrontier
Sat 1/107:05 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/17$169
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:36 pmSJU - IAD
1 stop13h 10mFrontier
Mon 1/58:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/16$172
This Frontier deal was found by Cheapflights users on 12/17. 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.
Tue 12/234:07 pmSJU - IAD
Nonstop4h 13mFrontier
Fri 1/28:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/17$176
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:07 pmSJU - IAD
Nonstop4h 13mFrontier
Thu 1/19:41 amIAD - SJU
1 stop22h 17mFrontier
Deal found 12/16$179
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/206:28 pmSJU - BWI
1 stop6h 18mMultiple Airlines
Sat 1/108:09 pmBWI - SJU
1 stop11h 45mMultiple Airlines
Deal found 12/17$186
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Sun 12/283:54 amSJU - IAD
1 stop10h 20mFrontier
Sun 1/48:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 12/16$190
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:09 pmSJU - BWI
Nonstop4h 14mFrontier
Mon 1/55:42 pmBWI - SJU
1 stop7h 57mFrontier
Deal found 12/16$192
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Sun 12/283:54 amSJU - BWI
1 stop29h 34mFrontier
Thu 1/81:02 pmBWI - SJU
1 stop12h 48mFrontier
Deal found 12/17$193
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 amSJU - BWI
Nonstop4h 04mMultiple Airlines
Tue 12/309:20 amBWI - SJU
1 stop16h 19mMultiple Airlines
Deal found 12/17$198
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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.
Mon 12/224:10 amSJU - BWI
1 stop6h 25mSpirit Airlines
Fri 1/211:14 amBWI - SJU
Nonstop3h 46mSpirit Airlines
Deal found 12/18$203

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

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Washington, D.C. (WAS). 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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$167
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$287

Good round-trip deal

$145 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Washington, D.C. (WAS) flights.
Search Deals
From San Juan Luis Munoz Marin Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Thu 1/22

9:29 pm-12:38 am

Nonstop4h 09m

Baltimore/Washington

Mon 1/26

6:00 am-10:47 am

Nonstop3h 47m

$170

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Thu 1/22

9:29 pm-12:38 am

Nonstop4h 09m

Baltimore/Washington

Wed 2/4

8:00 am-11:59 pm

1 stop14h 59m

$171

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Thu 1/22

8:00 am-4:42 pm

1 stop9h 42m

Baltimore/Washington

Wed 2/4

8:00 am-11:59 pm

1 stop14h 59m

$176

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/16

6:00 am-1:03 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-3:27 pm

1 stop8h 27m

$191

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-8:31 am

1 stop14h 43m

Baltimore/Washington

Mon 1/19

6:53 pm-11:35 pm

Nonstop3h 42m

$195

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Tue 2/24

4:11 pm-12:31 am

1 stop9h 20m

Baltimore/Washington

Mon 3/9

9:21 am-10:45 pm

1 stop13h 24m

$195

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Wed 1/21

12:00 pm-3:12 pm

Nonstop4h 12m

Baltimore/Washington

Sun 1/25

6:00 am-10:47 am

Nonstop3h 47m

$196

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Thu 1/15

9:29 pm-12:38 am

Nonstop4h 09m

Baltimore/Washington

Mon 1/19

6:00 am-10:47 am

Nonstop3h 47m

$196

San JuanBaltimore

SJU - BWI

SJUBWI

San Juan Luis Munoz Marin Intl

Thu 2/12

9:29 pm-12:38 am

Nonstop4h 09m

Baltimore/Washington

Tue 2/17

6:00 am-10:47 am

Nonstop3h 47m

$219

San JuanWashington, D.C.

SJU - DCA

SJUDCA

San Juan Luis Munoz Marin Intl

Tue 2/24

8:15 am-4:50 pm

1 stop9h 35m

Washington, D.C. Reagan-National

Mon 3/9

1:44 pm-10:40 pm

1 stop8h 56m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Compare providers for flights from Luis Munoz Marin Intl to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Washington, D.C. in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Washington, D.C.

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

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

To ensure you get the cheapest price possible for a flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C., you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. (average of $59). Flying from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. in August is currently the most expensive (average of $138). 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 SJU to WAS?

Find hourly flight availability from Luis Munoz Marin Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Washington, D.C.. Price data was last updated on December 13, 2025.

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

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

Explore weekly flight availability from Luis Munoz Marin Intl to Washington, D.C.. 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 December 18, 2025.

The most flights from SJU to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

The best insider tips for San Juan Luis Munoz Marin Intl Airport to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Juan Luis Munoz Marin Intl Airport to Washington, D.C. trip
Airports
SJU

Security wait times at SJU can vary dramatically, so arrive two hours early for domestic flights to avoid delays.

Read more about SJUBy Brandon Schultz
IAD

The Silver Line Metro reaches IAD in under 40 minutes, offering a cheap and convenient way to reach Washington, D.C.

Read more about IADBy Ramsey Qubein
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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C., such as Southwest, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,093 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,897 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Washington, D.C.. 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 San Juan Luis Munoz Marin Intl Airport to Washington, D.C.?

    A quick flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. can take about 4h 09m. Spirit Airlines provides one of the quickest options available for as low as $170. San Juan Luis Munoz Marin Intl Airport and Washington, D.C. are separated by a distance of 1568 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. round-trip from $67. Other airlines that can offer you cheap pricing are United Airlines, from $164, and JetBlue, from $179. Frontier is currently priced 75% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. Southwest flights start at $78 while deals on Delta start at $92 one-way.

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

    When deciding which route to take from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. consider San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl, San Juan Luis Munoz Marin Intl - Baltimore/Washington or San Juan Luis Munoz Marin Intl - Washington, D.C. Reagan-National as they are the most popular.

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

    Before booking your flight to Washington, D.C. from San Juan Luis Munoz Marin Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (93%), United Airlines (93%), Frontier( 65%).

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

    Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C.? While on average our users pay $434, our data indicates the cheapest price to be $90. The most popular route (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), is priced around $141.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Washington, D.C. 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 San Juan Luis Munoz Marin Intl Airport to Washington, D.C.?

    Currently, June is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. (average of $59). Flying from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. in August is currently the most expensive (average of $138). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
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Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
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Alternative routes for Luis Munoz Marin Intl to Washington, D.C.

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

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

Discover the top 7 airlines that operate flights from Luis Munoz Marin Intl to Washington, D.C.. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$249FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$121Average$216FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$164Average$408FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$165Average$372FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$195Average$382FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$220Average$370FlexibilityNo cancel feeOn-time63%
DeltaCheapest$247Average$405FlexibilityNo cancel feeOn-timeN/A

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