Washington, D.C.

$167+ Cheap flights from San José (SJO) 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — WAS
May 5 — May 121
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Find cheap flights from San José 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 José Juan Santamaria Intl to Washington, D.C. are usually found in February or September, booked 38 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from San José to Washington, D.C.

Cheapest flights from San José to Washington, D.C.
Explore the most affordable flight options available from San José to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2012:38 pm
SJO
-
BWI
1 stop18h 37m
Multiple Airlines
Sat 4/259:46 pm
BWI
-
SJO
1 stop15h 47m
Multiple Airlines
Deal found 3/31$272
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2012:38 pm
SJO
-
BWI
1 stop18h 37m
Multiple Airlines
Thu 4/239:16 pm
BWI
-
SJO
1 stop16h 17m
Multiple Airlines
Deal found 3/31$274
This Avianca deal was found by Cheapflights users on 4/4. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:35 pm
SJO
-
IAD
1 stop7h 40m
Avianca
Mon 6/293:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 4/4$280
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:05 am
SJO
-
IAD
1 stop8h 50m
Avianca
Tue 4/283:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 4/3$281
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:35 pm
SJO
-
IAD
1 stop7h 40m
Avianca
Sat 8/83:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 4/3$282
This Avianca deal was found by Cheapflights users on 4/2. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:45 pm
SJO
-
IAD
1 stop6h 35m
Avianca
Mon 6/224:10 am
IAD
-
SJO
1 stop6h 35m
Avianca
Deal found 4/2$283
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:35 pm
SJO
-
IAD
1 stop7h 40m
Avianca
Tue 6/163:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 4/3$290
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:10 pm
SJO
-
IAD
1 stop9h 35m
Avianca
Mon 5/43:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 4/3$291
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:10 pm
SJO
-
IAD
1 stop9h 35m
Avianca
Sun 5/104:10 am
IAD
-
SJO
1 stop9h 20m
Avianca
Deal found 4/3$293
This Avianca deal was found by Cheapflights users on 4/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:25 pm
SJO
-
IAD
1 stop6h 50m
Avianca
Mon 5/255:35 pm
IAD
-
SJO
1 stop8h 05m
Avianca
Deal found 4/3$295
This Avianca deal was found by Cheapflights users on 3/31. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:35 pm
SJO
-
IAD
1 stop7h 40m
Avianca
Mon 6/223:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 3/31$297
This Avianca deal was found by Cheapflights users on 3/31. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:05 am
SJO
-
IAD
1 stop8h 50m
Avianca
Thu 4/233:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Deal found 3/31$298

Find flight deals from San José to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) 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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$272
(Kiwi.com)

One-way from

$167
(Avianca)

Popular in

March

Cheapest in

February

Average price

$334

Good round-trip deal

$735 or less

Good one-way deal

$332 or less
Provider with most accurate pricing for San José Juan Santamaria Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Washington, D.C. (WAS) flights.
From San José Juan Santamaria Intl to Washington, D.C. (WAS)
One-way flight from San José Juan Santamaria Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from San José Juan Santamaria Intl to Washington, D.C. (WAS).
Price to beat on a one-way flight from San José Juan Santamaria Intl to Washington, D.C. (WAS).

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José 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 5, 2026.
Use the filters below to find and compare flights from San José to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 6/18

4:35 pm-2:15 am

1 stop7h 40m

Washington, D.C. Dulles Intl

Mon 6/22

3:40 am-8:30 am

1 stop6h 50m

$280

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 5/29

7:55 am-10:43 pm

1 stop12h 48m

Washington, D.C. Dulles Intl

Tue 6/9

10:20 pm-10:11 am

1 stop13h 51m

$305

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 5/6

8:45 am-1:24 am

1 stop14h 39m

Washington, D.C. Dulles Intl

Wed 5/20

10:20 pm-10:39 pm

1 stop26h 19m

$305

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Fri 5/8

4:10 am-3:24 pm

1 stop9h 14m

Baltimore/Washington

Sun 5/17

4:40 pm-9:06 am

1 stop18h 26m

$313

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Wed 4/15

7:55 am-10:15 pm

1 stop12h 20m

Washington, D.C. Reagan-National

Fri 5/8

12:40 pm-7:15 am

2 stops20h 35m

$324

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Wed 5/20

1:25 pm-12:33 am

2 stops33h 08m

Baltimore/Washington

Thu 8/20

12:55 pm-7:37 pm

1 stop8h 42m

$325

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 6/16

3:08 pm-7:33 pm

2 stops26h 25m

Washington, D.C. Dulles Intl

Sun 6/21

6:20 am-10:42 pm

2 stops18h 22m

$326

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 4/23

2:49 pm-4:22 am

1 stop11h 33m

Washington, D.C. Dulles Intl

Sat 5/16

4:38 pm-8:21 am

1 stop17h 43m

$339

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Thu 9/3

1:25 pm-9:34 am

2 stops18h 09m

Baltimore/Washington

Wed 9/9

7:04 pm-12:21 pm

2 stops19h 17m

$357

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Tue 5/12

9:00 am-7:00 pm

1 stop8h 00m

Baltimore/Washington

Tue 5/19

12:35 pm-7:00 pm

1 stop8h 25m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from San José 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 San José to Washington, D.C. in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 José-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Washington, D.C. 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 San José-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 San José to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San José 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 José to Washington, D.C.

How far ahead should I book a flight from San José to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from San José to Washington, D.C.. Price data was last updated on April 3, 2026.

The best time to book flights from San José to Washington, D.C. is 38 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 San José to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from San José to Washington, D.C. (average of $145). Flying from San José to Washington, D.C. in April is currently the most expensive (average of $235). 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 SJO to WAS?

Find hourly flight availability from San José 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 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San José to Washington, D.C. as you normally would.

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

How often are flights from San José to Washington, D.C. delayed?

About 13% of weekly flights between San José and Washington, D.C. have experienced delays in the past year, with the average delay time being 112 minutes.

What is the most punctual flight time for San José to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San José to Washington, D.C. flights?

Over the last year, Avianca have had the lowest number of delays on this route, with just 12% of flights being delayed.

The best insider tips for San José 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 José to Washington, D.C. trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on SJO

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

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.

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 5, 2026.
See what other customers who have flown with Copa Airlines,United Airlines, andAmerican Airlines from San José to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Overall

7.5

Boarding

7.7

Food

6.8

Entertainment

6.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Related info for your journey

Find useful and relevant information for your journey from San José 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.
  • What airport do you fly from for flights from San José to Washington, D.C.?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Washington, D.C.. On average, Juan Santamaria Intl has 0 outbound flights to Washington, D.C. 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 San José to Washington, D.C.?

    A quick flight from San José to Washington, D.C. can take about 7h 40m. Avianca provides one of the quickest options available for as low as $280. San José and Washington, D.C. are separated by a distance of 2042 mi. This flight may include one or multiple stops.

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

    Avianca, at $201, was found to be the cheapest airline from San José to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and American Airlines. Avianca is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San José to Washington, D.C. one-way?

    $132 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $135 and $136, respectively.

  • What are the most popular routes from San José to Washington, D.C.?

  • What are the most reliable airlines from San José to Washington, D.C.?

    Before booking your flight to Washington, D.C. from San José, check out the most reliable airlines to get you to your destination on time: Avianca (100%), Avianca Costa Rica (100%), United Airlines( 75%).

  • What are the cheapest flights from San José to Washington, D.C.?

    Looking at all options, your cheapest flight can be booked for $157. While the most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl) can be booked for $300 on average, our data indicates $585 when flying from San José to Washington, D.C..

  • Can I find deals for flights from San José to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on San José to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José 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 San José to Washington, D.C..

  • Can I find deals for business class flights from San José to Washington, D.C.?

    Yes. Cheapflights offers flight deals from San José 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 José to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from San José to Washington, D.C. (average of $145). Flying from San José to Washington, D.C. in April is currently the most expensive (average of $235). 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
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
Cordova
Manassas

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San José to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San José to Washington, D.C.

Discover the top 7 airlines that operate flights from San José 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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$179Average$332FlexibilityNo cancel feeOn-time65%
AviancaCheapest$201Average$344FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$288FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$225Average$293FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$448FlexibilityNo cancel feeOn-time63%
DeltaCheapest$248Average$430FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$269Average$323FlexibilityNo cancel feeOn-time70%

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