Washington, D.C.

$139+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — WAS
Jul 16 — Jul 231
We work with more than 300 partners to bring you better travel deals

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 August, booked 79 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap 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 July 11, 2025.

Round-trip from

$222
(Avianca)

One-way from

$139
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$329

Good round-trip deal

$248 or less

Good one-way deal

$137 or less
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 ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2025
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).

Find 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 July 11, 2025.

This Avianca deal was found by Cheapflights users on 7/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:05 pmSJO - IAD
1 stop9h 40mAvianca
Tue 10/75:05 pmIAD - SJO
1 stop8h 30mAvianca
Deal found 7/10$222
This United Airlines deal was found by Cheapflights users on 7/9. 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 12/216:40 amSJO - IAD
1 stop23h 05mUnited Airlines
Sat 1/310:06 pmIAD - SJO
1 stop24h 49mUnited Airlines
Deal found 7/9$238
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:55 amSJO - BWI
1 stop12h 50mUnited Airlines
Mon 7/286:00 amBWI - SJO
1 stop18h 39mUnited Airlines
Deal found 7/10$238
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:30 amSJO - DCA
1 stop14h 45mUnited Airlines
Mon 7/216:00 amDCA - SJO
1 stop18h 39mUnited Airlines
Deal found 7/10$238
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 8/72:15 pmSJO - BWI
1 stop8h 18mAmerican Airlines
Mon 8/117:56 amBWI - SJO
1 stop6h 59mAmerican Airlines
Deal found 7/9$247
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:13 pmSJO - BWI
1 stop8h 59mDelta
Mon 10/277:00 amBWI - SJO
1 stop6h 48mDelta
Deal found 7/10$248
This Trip.com deal was found by Cheapflights users on 7/9. 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.
Thu 7/245:00 pmSJO - IAD
1 stop17h 40mMultiple Airlines
Sun 7/272:25 pmIAD - SJO
1 stop18h 19mMultiple Airlines
Deal found 7/9$249
This American Airlines deal was found by Cheapflights users on 7/9. 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 8/151:55 pmSJO - IAD
1 stop7h 01mAmerican Airlines
Tue 8/266:27 amIAD - SJO
1 stop13h 48mAmerican Airlines
Deal found 7/9$253
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:50 amSJO - DCA
1 stop11h 10mSouthwest
Mon 8/256:55 amDCA - SJO
1 stop7h 50mSouthwest
Deal found 7/10$253
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/142:15 pmSJO - DCA
1 stop17h 09mAmerican Airlines
Mon 8/186:59 amDCA - SJO
1 stop7h 56mAmerican Airlines
Deal found 7/10$256
This Copa Airlines deal was found by Cheapflights users on 7/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:52 pmSJO - IAD
1 stop8h 30mCopa Airlines
Sun 10/262:25 amIAD - SJO
1 stop9h 33mCopa Airlines
Deal found 7/10$258
This CheapOair deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:17 pmSJO - IAD
1 stop18h 20mVolaris El Salvador
Sat 10/112:25 pmIAD - SJO
1 stop18h 19mVolaris El Salvador
Deal found 7/9$264

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 July 11, 2025.
Use the filters below to find and compare flights from San José to Washington, D.C. that are best for you.

Fly from

San José

Fly to

Washington, D.C.

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 10/1

3:05 pm-2:45 am

1 stop9h 40m

Washington, D.C. Dulles Intl

Tue 10/7

5:05 pm-11:35 pm

1 stop8h 30m

$222

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 7/31

5:30 am-11:58 pm

1 stop16h 28m

Washington, D.C. Dulles Intl

Fri 8/8

10:19 pm-11:55 am

1 stop15h 36m

$238

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Wed 7/23

7:55 am-10:45 pm

1 stop12h 50m

Baltimore/Washington

Mon 7/28

6:00 am-10:39 pm

1 stop18h 39m

$238

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Mon 7/14

5:30 am-10:15 pm

1 stop14h 45m

Washington, D.C. Reagan-National

Mon 7/21

6:00 am-10:39 pm

1 stop18h 39m

$238

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Thu 8/7

2:15 pm-12:33 am

1 stop8h 18m

Baltimore/Washington

Mon 8/11

7:56 am-12:55 pm

1 stop6h 59m

$247

San JoséBaltimore

SJO - BWI

SJOBWI

San José Juan Santamaria Intl

Thu 10/23

1:13 pm-12:12 am

1 stop8h 59m

Baltimore/Washington

Mon 10/27

7:00 am-11:48 am

1 stop6h 48m

$248

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 7/24

5:00 pm-12:40 pm

1 stop17h 40m

Washington, D.C. Dulles Intl

Sun 7/27

2:25 pm-6:44 am

1 stop18h 19m

$249

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Wed 8/20

8:50 am-10:00 pm

1 stop11h 10m

Washington, D.C. Reagan-National

Mon 8/25

6:55 am-12:45 pm

1 stop7h 50m

$253

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 8/15

1:55 pm-10:56 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 8/26

6:27 am-6:15 pm

1 stop13h 48m

$253

San JoséWashington, D.C.

SJO - DCA

SJODCA

San José Juan Santamaria Intl

Thu 8/14

2:15 pm-9:24 am

1 stop17h 09m

Washington, D.C. Reagan-National

Mon 8/18

6:59 am-12:55 pm

1 stop7h 56m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 36 results
1
2
3
4

The best insider tips for San José 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 José to Washington, D.C. trip
Airports
SJO

Leave for SJO with sufficient time to clear security. Self-check kiosks and baggage drop-off are available, but arrive at least 3 hours before your flight.

Read more about SJOby Marisa Garcia
IAD

The Silver line of the Washington Metro reaches IAD in less than 40 minutes, offering a cheap way to get to the city.

Read more about IADby Ramsey Qubein
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on SJO

Marisa Garcia

Marisa Garcia

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.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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, San José Province 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 June 27, 2025.

The best time to book flights from San José, San José Province to Washington, D.C. is 79 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, San José Province to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to Washington, D.C. (average of $309). Flying from San José, San José Province to Washington, D.C. in April is currently the most expensive (average of $337). 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 July 11, 2025.

It’s optimal to fly from San José, San José Province to Washington, D.C. in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their San José, San José Province to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 11, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 8 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

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

    Cheapflights users have booked flights from San José, San José Province to Washington, D.C. round-trip from $222. Other airlines that can offer you cheap pricing are United Airlines, from $238, and American Airlines, from $247. These flights start at 30% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $139 on Avianca. Other airlines that offer cheap prices include Copa Airlines from $139 and United Airlines from $143 one-way.

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

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

    Looking at all options, your cheapest flight can be booked for $140. While the most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl) can be booked for $238 on average our data indicates $315 when flying from San José, San José Province 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, San José Province to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from San José, San José Province to Washington, D.C. (average of $309). Flying from San José, San José Province to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Fairfax
Towson
Linthicum Heights
Waldorf
Laurel
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Bowie

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 San José to Washington, D.C.

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

Top 8 airlines flying from San José to Washington, D.C.

Discover the top 8 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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$171Average$353FlexibilityNo cancel feeOn-time70%
Volaris El SalvadorCheapest$173Average$266FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$220Average$363FlexibilityNo cancel feeOn-time71%
DeltaCheapest$234Average$295FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$237Average$443FlexibilityNo cancel feeOn-time69%
AviancaCheapest$244Average$357FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$443FlexibilityNo cancel feeOn-time63%
Spirit AirlinesCheapest$247Average$380FlexibilityNo cancel feeOn-time65%

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.