HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$148+ Cheap flights from Dulles Intl (IAD) 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJU
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Luis Munoz Marin Intl 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 Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl are usually found in February or October, booked 57 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to Luis Munoz Marin Intl

Cheapest flights from Dulles Intl to Luis Munoz Marin Intl
Explore the most affordable flight options available from Dulles Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Thu 9/2411:12 am -
1 stop6h 31m
Sat 10/310:30 am -
1 stop9h 39m
Deal found 8/8$299
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 8/227:57 am -
1 stop15h 46m
Sat 8/297:05 am -
1 stop13h 51m
Deal found 8/7$300
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 9/27:57 am -
1 stop6h 54m
Wed 9/93:41 pm -
1 stop7h 10m
Deal found 8/7$301
This Frontier deal was found by Cheapflights users on 8/5. 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 11/137:00 am -
1 stop8h 25m
Wed 11/256:00 am -
Nonstop4h 16m
Deal found 8/5$302
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/106:09 pm -
1 stop22h 02m
Thu 8/136:00 am -
1 stop13h 38m
Deal found 8/6$303
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Mon 8/105:34 pm -
1 stop6h 25m
Thu 8/133:47 pm -
1 stop7h 08m
Deal found 8/5$304
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 8/265:34 pm -
1 stop6h 25m
Wed 9/23:47 pm -
1 stop7h 08m
Deal found 8/10$305
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 11/137:00 am -
2 stops40h 38m
Sat 11/216:00 am -
Nonstop4h 16m
Deal found 8/10$306
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 8/309:00 am -
Nonstop3h 54m
Sat 9/54:55 pm -
Nonstop3h 52m
Deal found 8/7$307
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/298:39 pm -
2 stops19h 32m
Mon 8/318:57 pm -
1 stop13h 10m
Deal found 8/7$308
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Wed 8/1911:05 am -
1 stop15h 10m
Wed 8/266:35 am -
1 stop13h 09m
Deal found 8/7$309
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 8/227:57 am -
1 stop15h 46m
Fri 8/283:47 pm -
1 stop7h 08m
Deal found 8/5$310

Find flight deals from Dulles Intl to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Kiwi.com)

One-way from

$148
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$417

Good round-trip deal

$419 or less

Good one-way deal

$250 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 August 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sun 8/30

9:00 am-12:54 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Sat 9/5

2:55 pm-11:55 pm

1 stop9h 00m

$312

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Tue 9/1

12:30 pm-10:29 pm

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Sat 9/5

7:00 am-4:42 pm

1 stop9h 42m

$326

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sat 10/24

8:40 am-12:34 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Sat 10/31

7:05 am-11:09 am

Nonstop4h 04m

$327

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sat 9/5

8:40 am-12:34 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Wed 9/9

1:25 pm-10:59 pm

1 stop9h 34m

$332
Quickest round-trip

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sat 10/10

8:40 am-12:34 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Tue 10/13

4:55 pm-8:47 pm

Nonstop3h 52m

$356

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Tue 8/25

9:00 am-12:54 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Sat 9/5

1:00 am-7:19 am

1 stop6h 19m

$371

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sun 9/27

8:40 am-12:34 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Thu 10/1

4:55 pm-8:47 pm

Nonstop3h 52m

$447

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Fri 9/11

9:00 am-12:54 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Mon 9/14

4:55 pm-8:47 pm

Nonstop3h 52m

$447

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Mon 8/17

9:00 am-12:54 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Thu 9/3

2:20 pm-12:30 am

1 stop10h 10m

$447

Washington, D.C.San Juan

IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl

IADSJU

Washington, D.C. Dulles Intl

Sun 8/23

6:15 am-2:44 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Thu 8/27

4:55 pm-8:47 pm

Nonstop3h 52m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Luis Munoz Marin Intl

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 Dulles Intl to Luis Munoz Marin Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 Washington, D.C. Dulles Intl Airport-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-San Juan Luis Munoz Marin Intl Airport 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 Dulles Intl to Luis Munoz Marin Intl

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

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport is 56 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. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $324). Flying from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $538). 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 IAD to SJU?

Find hourly flight availability from Dulles Intl 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 August 10, 2026.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport at noon. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport flights typically cost between $357 and $515 in September.
The cheapest round-trip price found within the last 5 days was $299 on Frontier (Sep 24-Oct 3).

The best insider tips for Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport 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 Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD

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 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 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 August 10, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,497 reviews
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,095 reviews
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,897 reviews
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
JetBlue
7.1
Good
3,031 reviews
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Frontier
5.6
Fair
2,713 reviews
Delta
7.8
Good
8,497 reviews

Overall

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport in 3h 54m. Fly via United Airlines or Delta to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport is about 1573 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $89, Frontier will fly you from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $136 and $161, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport for 79% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. Delta flights start at $112 while deals on United Airlines start at $126 one-way.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport are Brussels Airlines (73%), Air Canada (73%) and United Airlines (73%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport is $164. On average you can expect to pay $666. The most popular route, (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $279.

  • Can I find deals for flights from Dulles Intl to Luis Munoz Marin Intl that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Dulles Intl to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $324). Flying from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $538). 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
Fajardo
Luquillo
Dorado
Rio Grande
Humacao
Bayamón

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 Dulles Intl to Luis Munoz Marin Intl

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

Top 5 airlines flying from Dulles Intl to Luis Munoz Marin Intl

Discover the top 5 airlines that operate flights from Dulles Intl 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 August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$318FlexibilityNo cancel feeOn-time62%
DeltaCheapest$136Average$323FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$161Average$462FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$225Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$265Average$484FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.