Security wait times at SJU can vary dramatically. Arrive two hours early for domestic flights to avoid unexpected delays.
$68+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — WAS
Apr 20 — Apr 271
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Washington, D.C. are usually found in May or February, booked 83 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.
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 April 15, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $125 (eDestinos) |
One-way from | $68 (FlightHub) |
Popular in | June |
Cheapest in | May |
Average price | $279 |
Good round-trip deal | $139 or less |
Good one-way deal | $107 or less |
Find 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 April 15, 2025.
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 April 15, 2025.
This eDestinos deal was found by Cheapflights users on 4/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:39 pmSJU - BWI
Nonstop4h 01mSpirit Airlines
Mon 5/196:51 pmBWI - SJU
Nonstop3h 47mSpirit Airlines
Deal found 4/14![Spirit Airlines logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
Fri 4/256:20 amSJU - BWI
Nonstop4h 07mMultiple Airlines
Tue 4/296:48 pmBWI - SJU
Nonstop3h 44mMultiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:20 amSJU - IAD
Nonstop3h 55mFrontier
Sun 5/2512:10 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 4/15![Frontier logo]()
$158
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 amSJU - DCA
1 stop11h 13mDelta
Wed 7/26:06 amDCA - SJU
1 stop10h 22mDelta
Deal found 4/14![Delta logo]()
$225
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:15 amSJU - IAD
1 stop16h 47mAmerican Airlines
Mon 5/125:02 amIAD - SJU
1 stop6h 08mAmerican Airlines
Deal found 4/14![American Airlines logo]()
$255
This Frontier deal was found by Cheapflights users on 4/14. 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.
Fri 4/256:20 amSJU - BWI
Nonstop4h 07mFrontier
Tue 4/2910:45 amBWI - SJU
1 stop11h 17mFrontier
Deal found 4/14![Frontier logo]()
$265
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:15 amSJU - DCA
1 stop10h 44mAmerican Airlines
Mon 5/125:00 amDCA - SJU
1 stop6h 10mAmerican Airlines
Deal found 4/14![American Airlines logo]()
$265
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:58 pmSJU - DCA
1 stop9h 00mJetBlue
Mon 5/126:09 amDCA - SJU
1 stop6h 25mJetBlue
Deal found 4/14![JetBlue logo]()
$287
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:15 amSJU - BWI
1 stop9h 25mDelta
Fri 5/96:00 amBWI - SJU
1 stop6h 45mDelta
Deal found 4/14![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/161:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Tue 7/88:40 amIAD - SJU
Nonstop3h 54mUnited Airlines
Deal found 4/14![United Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:05 amSJU - DCA
1 stop7h 54mUnited Airlines
Tue 5/272:00 pmDCA - SJU
1 stop9h 54mUnited Airlines
Deal found 4/15![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:35 amSJU - IAD
1 stop6h 27mDelta
Fri 5/96:00 amIAD - SJU
1 stop6h 45mDelta
Deal found 4/14![Delta logo]()
$345
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 April 15, 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
Fri 5/9
1:39 pm-5:40 pm
Nonstop4h 01m
Baltimore/Washington
Mon 5/19
6:51 pm-10:38 pm
Nonstop3h 47m
$125
San JuanBaltimore
SJU - BWI
SJUBWI
San Juan Luis Munoz Marin Intl
Fri 4/25
6:20 am-10:27 am
Nonstop4h 07m
Baltimore/Washington
Tue 4/29
6:48 pm-10:32 pm
Nonstop3h 44m
$147
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 5/22
7:20 am-11:15 am
Nonstop3h 55m
Washington, D.C. Dulles Intl
Sun 5/25
12:10 pm-4:02 pm
Nonstop3h 52m
$158
San JuanWashington, D.C.
SJU - DCA
SJUDCA
San Juan Luis Munoz Marin Intl
Wed 6/18
7:00 am-6:13 pm
1 stop11h 13m
Washington, D.C. Reagan-National
Wed 7/2
6:06 am-4:28 pm
1 stop10h 22m
$225
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Fri 5/9
7:15 am-12:02 am
1 stop16h 47m
Washington, D.C. Dulles Intl
Mon 5/12
5:02 am-11:10 am
1 stop6h 08m
$255
San JuanBaltimore
SJU - BWI
SJUBWI
San Juan Luis Munoz Marin Intl
Fri 4/25
6:20 am-10:27 am
Nonstop4h 07m
Baltimore/Washington
Tue 4/29
10:45 am-10:02 pm
1 stop11h 17m
$265
San JuanWashington, D.C.
SJU - DCA
SJUDCA
San Juan Luis Munoz Marin Intl
Fri 5/9
7:15 am-5:59 pm
1 stop10h 44m
Washington, D.C. Reagan-National
Mon 5/12
5:00 am-11:10 am
1 stop6h 10m
$265
San JuanWashington, D.C.
SJU - DCA
SJUDCA
San Juan Luis Munoz Marin Intl
Wed 5/7
1:58 pm-10:58 pm
1 stop9h 00m
Washington, D.C. Reagan-National
Mon 5/12
6:09 am-12:34 pm
1 stop6h 25m
$287
San JuanBaltimore
SJU - BWI
SJUBWI
San Juan Luis Munoz Marin Intl
Tue 5/6
6:15 am-5:45 pm
1 stop11h 30m
Baltimore/Washington
Sun 5/11
5:40 am-11:40 am
1 stop6h 00m
$320
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Mon 6/16
1:05 am-7:19 am
1 stop6h 14m
Washington, D.C. Dulles Intl
Tue 7/8
8:40 am-12:34 pm
Nonstop3h 54m
$321
Showing 1-10 of 36 results
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Washington, D.C. flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
The best insider tips for San Juan Luis Munoz Marin Intl Airport to Washington, D.C. 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 San Juan Luis Munoz Marin Intl Airport to Washington, D.C. trip
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 April 11, 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 83 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, August 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 $241). Flying from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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 April 15, 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 40% on the cost of your flight, compared to a flight in the morning.
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 March 30, 2025.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday 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 April 15, 2025.
The most flights from SJU to WAS are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.
Temperature in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
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 April 15, 2025.
To help decide which airline to fly from San Juan to Washington, D.C., see what other customers have to say about Southwest, Delta and Avelo Airlines. 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.
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Avelo Airlines
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.6
Overall
8.0
Comfort
8.0
Food
7.1
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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.
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 locationsArlington
Alexandria
Fairfax
Tysons
Springfield
Woodbridge
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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.
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 April 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$223 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$197 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$233 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$383 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$297 | Average$431 | FlexibilityNo cancel fee | On-time63% |