HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$102+ Cheap flights from Reagan-National (DCA) to San José (SJO)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to San José 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. Reagan-National to San José Juan Santamaria Intl are usually found in August or May, booked 51 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Reagan-National to San José

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San José (SJO). 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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(United Airlines)

One-way from

$102
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$387
Provider with most accurate pricing for Washington, D.C. Reagan-National-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-San José Juan Santamaria Intl flights.
Search Deals
From Washington, D.C. Reagan-National to San José Juan Santamaria Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Reagan-National to San José

Cheapest flights from Reagan-National to San José
Explore the most affordable flight options available from Reagan-National to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This United Airlines deal was found by Cheapflights users on 9/24. 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 11/312:50 pmDCA - SJO
1 stop8h 49mUnited Airlines
Sun 11/1612:35 pmSJO - DCA
1 stop10h 09mUnited Airlines
Deal found 9/24$261
This Trip.com deal was found by Cheapflights users on 9/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:25 amDCA - SJO
1 stop8h 35mJetBlue
Wed 10/291:11 pmSJO - DCA
1 stop7h 18mJetBlue
Deal found 9/24$265
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:30 pmDCA - SJO
1 stop17h 25mJetBlue
Fri 10/311:11 pmSJO - DCA
1 stop7h 18mJetBlue
Deal found 9/22$266
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Sat 11/16:24 amDCA - SJO
1 stop9h 28mJetBlue
Fri 11/142:01 pmSJO - DCA
1 stop7h 14mJetBlue
Deal found 9/23$267
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/276:00 amDCA - SJO
1 stop7h 42mUnited Airlines
Sun 11/211:28 pmSJO - DCA
1 stop10h 01mUnited Airlines
Deal found 9/23$270
This Expedia deal was found by Cheapflights users on 9/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:51 pmDCA - SJO
1 stop14h 01mJetBlue
Tue 12/1610:00 amSJO - DCA
1 stop7h 55mJetBlue
Deal found 9/24$275
This Delta deal was found by Cheapflights users on 9/24. 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.
Fri 11/147:59 amDCA - SJO
1 stop15h 08mDelta
Sun 11/167:00 amSJO - DCA
1 stop15h 41mDelta
Deal found 9/24$276
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/115:00 amDCA - SJO
2 stops9h 59mAmerican Airlines
Mon 11/171:12 pmSJO - DCA
2 stops9h 22mAmerican Airlines
Deal found 9/22$280
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/186:00 amDCA - SJO
1 stop8h 00mAmerican Airlines
Sun 10/262:40 pmSJO - DCA
1 stop15h 46mAmerican Airlines
Deal found 9/24$281
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Tue 11/116:24 amDCA - SJO
1 stop9h 28mJetBlue
Fri 11/2111:59 pmSJO - DCA
1 stop14h 18mJetBlue
Deal found 9/23$282
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/316:20 pmDCA - SJO
1 stop19h 45mAmerican Airlines
Mon 11/37:00 amSJO - DCA
1 stop15h 20mAmerican Airlines
Deal found 9/23$283
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/105:00 amDCA - SJO
2 stops9h 59mAmerican Airlines
Sun 11/237:00 amSJO - DCA
1 stop16h 24mAmerican Airlines
Deal found 9/24$285

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to San José 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 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San José that are best for you.

Fly from

Reagan-National

Fly to

San José

Route

Depart

Return

Price

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 11/1

6:24 am-1:52 pm

1 stop9h 28m

San José Juan Santamaria Intl

Fri 11/14

2:01 pm-10:15 pm

1 stop7h 14m

$267

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sun 11/16

6:30 am-12:56 pm

1 stop7h 26m

San José Juan Santamaria Intl

Fri 11/21

11:59 pm-3:17 pm

1 stop14h 18m

$267

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 11/10

6:24 am-2:52 pm

1 stop9h 28m

San José Juan Santamaria Intl

Wed 11/19

2:01 pm-10:15 pm

1 stop7h 14m

$267

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 11/18

6:30 am-12:56 pm

1 stop7h 26m

San José Juan Santamaria Intl

Wed 11/26

11:59 pm-2:59 pm

1 stop14h 00m

$267

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 11/14

7:59 am-10:07 pm

1 stop15h 08m

San José Juan Santamaria Intl

Mon 11/24

2:31 pm-11:41 pm

1 stop8h 10m

$276

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 11/28

6:00 am-10:07 pm

1 stop17h 07m

San José Juan Santamaria Intl

Mon 12/8

2:31 pm-11:39 pm

1 stop8h 08m

$276

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 11/17

6:24 am-2:52 pm

1 stop9h 28m

San José Juan Santamaria Intl

Sat 11/22

11:59 pm-2:50 pm

1 stop13h 51m

$282

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 11/10

6:24 am-2:52 pm

1 stop9h 28m

San José Juan Santamaria Intl

Thu 11/20

11:59 pm-2:59 pm

1 stop14h 00m

$282

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 12/5

6:00 am-2:52 pm

1 stop9h 52m

San José Juan Santamaria Intl

Tue 12/16

10:00 am-6:55 pm

1 stop7h 55m

$294

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 12/3

7:51 pm-8:52 am

1 stop14h 01m

San José Juan Santamaria Intl

Thu 12/11

10:00 am-10:29 pm

1 stop11h 29m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Reagan-National to San José

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 Reagan-National to San José in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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. Reagan-National Airport-San José, San José Province 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. Reagan-National Airport-San José, San José Province flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-San José, San José Province flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San José, San José Province 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. Reagan-National Airport-San José, San José Province 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 Reagan-National to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Reagan-National 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. Reagan-National Airport to San José

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San José, San José Province?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to San José. Price data was last updated on September 19, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to San José, San José Province is 51 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. Reagan-National Airport to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San José, San José Province (average of $398). Flying from Washington, D.C. Reagan-National Airport to San José, San José Province in March is currently the most expensive (average of $553). 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 DCA to SJO?

Find hourly flight availability from Reagan-National to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 34% on flights from Washington, D.C. Reagan-National Airport to San José, San José Province by exploring options for tickets in the evening.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to San José, San José Province?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to San José. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to San José, San José Province flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to San José, San José Province?

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated September 25, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
8,926 reviews
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
Avianca
6.7
Okay
2,442 reviews
Southwest
8.0
Very good
4,244 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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 Reagan-National to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San José from Washington, D.C. Reagan-National?

    Most people fly into San José Juan Santamaria Intl (SJO) if they book a flight to San José from Washington, D.C. Reagan-National. On average, Juan Santamaria Intl has 0 inbound flights from Washington, D.C. Reagan-National per day from 7 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to San José, San José Province?

    Departing from Washington, D.C. Reagan-National Airport to San José, San José Province will take you 9h 28m. Washington, D.C. Reagan-National Airport and San José, San José Province are separated by a distance of 2041 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to San José, San José Province round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to San José, San José Province round-trip from $252. Other airlines that can offer you cheap pricing are American Airlines, from $261, and Southwest, from $262. Delta is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Reagan-National to San José that include hotel bookings?

    Yes. In addition to deals on Reagan-National to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to San José.

  • Can I find deals for business class flights from Reagan-National to San José?

    Yes. Cheapflights offers flight deals from Reagan-National to San José 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. Reagan-National Airport to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San José, San José Province (average of $398). Flying from Washington, D.C. Reagan-National Airport to San José, San José Province in March is currently the most expensive (average of $553). 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 José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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 Reagan-National to San José

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to San José flights
Baltimore to San José flights
Dulles Intl to Liberia flights
Baltimore to Liberia flights
Reagan-National to Liberia flights

Top 7 airlines flying from Reagan-National to San José

Discover the top 7 airlines that operate flights from Reagan-National to San José. 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$252Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$496FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$612FlexibilityNo cancel feeOn-time63%
AviancaCheapest$268Average$427FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$272Average$381FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$277Average$486FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$360Average$450FlexibilityNo cancel feeOn-time62%

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.