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 14% of flights being delayed.

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 Saturday has historically faced a higher average of delays compared to other days of the week.

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

About 16% of weekly flights between San José and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.

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

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

How long is the flight from San José to Washington, D.C. Dulles Intl Airport?

Airlines like United Airlines fly from San José to Washington, D.C. Dulles Intl Airport in about 8h 24m. The time it takes to get you to your destination can typically vary by up to . There are 2042 mi between San José and Washington, D.C. Dulles Intl Airport.

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

Cheapflights users have booked flights from San José to Washington, D.C. Dulles Intl Airport round-trip from $194. Other airlines that can offer you cheap pricing are United Airlines, from $216, and Avianca, from $222. Volaris El Salvador is currently priced 38% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from San José to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from San José to Washington, D.C. Dulles Intl Airport is $154. On average you can expect to pay $532. The most popular route, (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), can usually be booked for $211.

What are the most popular airlines that fly from San José to Washington, D.C. Dulles Intl Airport?

Consider Avianca, Copa Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from San José to Washington, D.C. Dulles Intl Airport.

Most accurate provider : When it comes to deals on San José-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San José-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San José to Washington, D.C. Dulles Intl?

Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Washington, D.C. Dulles Intl. On average, Juan Santamaria Intl has 0 outbound flights to Washington, D.C. Dulles Intl per day from 6 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

Can I find deals for flights from San José to Dulles Intl that include hotel bookings?

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

How can I find direct flights from San José to Dulles Intl?

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

Can I find deals for business class flights from San José to Dulles Intl?

Yes. Cheapflights offers flight deals from San José to Dulles 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.

$132+ Flights from San José to Washington, D.C. Dulles Intl Airport

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl are usually found in October or July, booked 29 days in advance, depart on a Friday or Thursday and return on a Tuesday

Find flight deals from San José to Dulles Intl

Cheapest flights from San José to Dulles Intl
Explore the most affordable flight options available from San José to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Thu 10/304:15 pmSJO - IAD

1 stop6h 55mAvianca

Sun 11/24:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/27

$216

Mon 11/38:45 amSJO - IAD

1 stop12h 27mUnited Airlines

Fri 11/710:10 pmIAD - SJO

1 stop35h 22mUnited Airlines

Deal found 10/26

$217

Thu 12/45:10 pmSJO - IAD

Nonstop4h 25mAvianca

Tue 12/911:55 pmIAD - SJO

Nonstop4h 55mAvianca

Deal found 10/26

$220

Sat 11/222:05 pmSJO - IAD

1 stop8h 54mUnited Airlines

Sat 11/298:57 amIAD - SJO

Nonstop4h 58mUnited Airlines

Deal found 10/27

$221

Thu 11/64:15 pmSJO - IAD

1 stop6h 55mAvianca

Sun 11/93:00 amIAD - SJO

1 stop9h 25mAvianca

Deal found 10/27

$225

Sun 11/29:40 amSJO - IAD

1 stop14h 16mUnited Airlines

Fri 11/76:39 pmIAD - SJO

1 stop14h 53mUnited Airlines

Deal found 10/26

$226

Mon 11/104:15 pmSJO - IAD

1 stop6h 55mAvianca

Mon 11/173:00 amIAD - SJO

1 stop9h 25mAvianca

Deal found 10/27

$228

Mon 11/34:30 pmSJO - IAD

1 stop8h 10mAvianca

Sat 11/84:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/27

$229

Tue 12/24:15 pmSJO - IAD

1 stop6h 55mAvianca

Tue 12/911:55 pmIAD - SJO

Nonstop4h 55mAvianca

Deal found 10/26

$233

Thu 12/183:05 pmSJO - IAD

1 stop9h 35mAvianca

Tue 12/3011:55 pmIAD - SJO

Nonstop4h 55mAvianca

Deal found 10/24

$235

Tue 11/44:15 pmSJO - IAD

1 stop6h 55mAvianca

Sat 11/84:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/25

$237

Best flights from San José to Dulles Intl
Discover carefully curated flight deals from San José to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Tue 11/182:20 pmSJO - IAD

1 stop8h 24mUnited Airlines

Thu 11/276:30 amIAD - SJO

1 stop27h 02mUnited Airlines

Deal found 10/26

$217

Mon 11/1712:35 pmSJO - IAD

1 stop21h 53mUnited Airlines

Wed 11/263:25 pmIAD - SJO

1 stop18h 07mUnited Airlines

Deal found 10/25

$217

Sun 11/232:20 pmSJO - IAD

1 stop30h 52mUnited Airlines

Sat 11/298:57 amIAD - SJO

Nonstop4h 58mUnited Airlines

Deal found 10/26

$217

Fri 11/2112:35 pmSJO - IAD

1 stop10h 09mUnited Airlines

Thu 11/276:30 amIAD - SJO

1 stop27h 02mUnited Airlines

Deal found 10/26

$217

Mon 11/242:20 pmSJO - IAD

1 stop30h 52mUnited Airlines

Wed 12/310:10 pmIAD - SJO

1 stop35h 22mUnited Airlines

Deal found 10/26

$217

Sun 11/237:30 amSJO - IAD

1 stop14h 45mUnited Airlines

Thu 11/272:30 pmIAD - SJO

1 stop19h 02mUnited Airlines

Deal found 10/26

$217

Sat 11/2212:35 pmSJO - IAD

1 stop10h 09mUnited Airlines

Sat 11/298:57 amIAD - SJO

Nonstop4h 58mUnited Airlines

Deal found 10/26

$221

Fri 11/148:45 amSJO - IAD

1 stop11h 06mUnited Airlines

Mon 11/1710:10 pmIAD - SJO

1 stop14h 15mUnited Airlines

Deal found 10/25

$226

Thu 12/42:00 pmSJO - IAD

1 stop8h 21mUnited Airlines

Tue 12/98:30 amIAD - SJO

1 stop13h 09mUnited Airlines

Deal found 10/26

$226

Sat 12/136:40 amSJO - IAD

1 stop13h 42mUnited Airlines

Tue 3/3110:06 pmIAD - SJO

1 stop16h 20mUnited Airlines

Deal found 10/27

$226

Thu 12/256:30 amSJO - IAD

1 stop16h 19mUnited Airlines

Wed 12/3110:15 pmIAD - SJO

1 stop25h 17mUnited Airlines

Deal found 10/25

$259

Tue 12/232:05 pmSJO - IAD

1 stop30h 16mUnited Airlines

Sat 1/310:15 pmIAD - SJO

1 stop25h 17mUnited Airlines

Deal found 10/27

$282

Last-minute flights from San José to Dulles Intl
Discover last-minute flight deals from San José to Dulles Intl. Data last updated October 27, 2025 and is based on user searches.

Thu 10/304:15 pmSJO - IAD

1 stop6h 55mAvianca

Sun 11/24:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/27

$216

Thu 10/302:40 pmSJO - IAD

2 stops26h 14mAmerican Airlines

Tue 11/45:29 pmIAD - SJO

2 stops21h 30mAmerican Airlines

Deal found 10/27

$241

Sun 11/29:40 amSJO - IAD

1 stop14h 16mUnited Airlines

Fri 11/76:00 amIAD - SJO

1 stop15h 39mUnited Airlines

Deal found 10/27

$226

Mon 11/39:40 amSJO - IAD

1 stop28h 10mUnited Airlines

Sat 11/88:57 amIAD - SJO

Nonstop4h 58mUnited Airlines

Deal found 10/25

$217

Mon 11/34:30 pmSJO - IAD

1 stop8h 10mAvianca

Sat 11/84:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/27

$229

Mon 11/34:30 pmSJO - IAD

1 stop8h 10mAvianca

Sun 11/94:30 amIAD - SJO

1 stop15h 25mAvianca

Deal found 10/27

$239

Tue 11/44:15 pmSJO - IAD

1 stop6h 55mAvianca

Sat 11/84:30 amIAD - SJO

1 stop7h 55mAvianca

Deal found 10/25

$237

Thu 11/64:15 pmSJO - IAD

1 stop6h 55mAvianca

Sun 11/93:00 amIAD - SJO

1 stop9h 25mAvianca

Deal found 10/27

$225

Mon 11/104:15 pmSJO - IAD

1 stop6h 55mAvianca

Mon 11/173:00 amIAD - SJO

1 stop9h 25mAvianca

Deal found 10/27

$228

Fri 11/214:30 pmSJO - IAD

1 stop8h 10mAvianca

Mon 12/111:55 pmIAD - SJO

Nonstop4h 55mAvianca

Deal found 10/25

$240

Sat 11/222:05 pmSJO - IAD

1 stop8h 54mUnited Airlines

Sat 11/298:57 amIAD - SJO

Nonstop4h 58mUnited Airlines

Deal found 10/27

$221

One-way flights from San José to Dulles Intl
Search for one-way flight options from San José to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Fri 12/124:30 pmSJO - IAD

1 stop9h 40mAvianca

Deal found 10/25

$132

Tue 12/26:00 amSJO - IAD

1 stop17h 10mAvianca

Deal found 10/26

$133

Fri 12/192:05 pmSJO - IAD

1 stop9h 10mUnited Airlines

Deal found 10/27

$137

Sun 2/14:17 pmSJO - IAD

1 stop18h 10mVolaris El Salvador

Deal found 10/27

$139

Wed 12/105:00 amSJO - IAD

2 stops18h 10mAvianca

Deal found 10/27

$142

Mon 1/195:10 pmSJO - IAD

Nonstop4h 25mAvianca

Deal found 10/27

$144

Sat 3/75:00 pmSJO - IAD

1 stop17h 27mMultiple Airlines

Deal found 10/26

$145

Thu 2/263:05 pmSJO - IAD

1 stop11h 05mAvianca

Deal found 10/27

$146

Mon 2/234:17 pmSJO - IAD

1 stop6h 28mVolaris El Salvador

Deal found 10/27

$147

Wed 1/146:00 amSJO - IAD

2 stops16h 12mAmerican Airlines

Deal found 10/27

$150

Cheap flight deals from San José to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$216 (Cheapflightsfares)
One-way from	$132 (Cheapflightsfares)
Popular in	April
Cheapest in	October
Average price	$283
Good round-trip deal	$445 or less
Good one-way deal	$212 or less

Provider with most accurate pricing for San José Juan Santamaria Intl-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Washington, D.C. Dulles Intl flights.

Search Deals

From San José Juan Santamaria Intl to Washington, D.C. Dulles Intl

Search Deals

One-way flight from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San José to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 11/18

2:20 pm-11:44 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Thu 11/27

6:30 am-8:32 am

1 stop27h 02m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Mon 11/17

12:35 pm-11:28 am

1 stop21h 53m

Washington, D.C. Dulles Intl

Wed 11/26

3:25 pm-8:32 am

1 stop18h 07m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 11/23

2:20 pm-10:12 pm

1 stop30h 52m

Washington, D.C. Dulles Intl

Sat 11/29

8:57 am-12:55 pm

Nonstop4h 58m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 11/21

12:35 pm-11:44 pm

1 stop10h 09m

Washington, D.C. Dulles Intl

Thu 11/27

6:30 am-8:32 am

1 stop27h 02m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Mon 11/24

2:20 pm-10:12 pm

1 stop30h 52m

Washington, D.C. Dulles Intl

Wed 12/3

10:10 pm-8:32 am

1 stop35h 22m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 11/23

7:30 am-11:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Thu 11/27

2:30 pm-8:32 am

1 stop19h 02m

$217

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 11/22

12:35 pm-11:44 pm

1 stop10h 09m

Washington, D.C. Dulles Intl

Sat 11/29

8:57 am-12:55 pm

Nonstop4h 58m

$221

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 11/14

8:45 am-8:51 pm

1 stop11h 06m

Washington, D.C. Dulles Intl

Mon 11/17

10:10 pm-11:25 am

1 stop14h 15m

$226

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 12/4

2:00 pm-11:21 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Tue 12/9

8:30 am-8:39 pm

1 stop13h 09m

$226

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 12/13

6:40 am-9:22 pm

1 stop13h 42m

Washington, D.C. Dulles Intl

Tue 3/31

10:06 pm-12:26 pm

1 stop16h 20m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 23 results

Compare providers for flights from San José to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Dulles Intl in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust 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 San José-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San José-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Dulles 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 San José to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

Prices

Delays

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

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San José to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from San José to Washington, D.C. Dulles Intl Airport (average of $139). Flying from San José to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $232). 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 IAD?

Unlike at noon, when flights are generally more expensive, you can save up to 30% on flights from San José to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

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

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

The best insider tips for San José to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San José to Washington, D.C. Dulles Intl Airport trip

Airports

SJO

Leave for SJO with sufficient time to clear security. Arrive at least 3 hours before your flight to avoid delays.

IAD

Use the Washington Metro Silver line for a cost-effective way to reach downtown from IAD in under 40 minutes.

Our travel experts

Marisa Garcia

Expert on SJO

Ramsey Qubein

Expert on IAD

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with Copa Airlines, Volaris El Salvador, and United Airlines from San José to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Copa Airlines

7.6

Good

1,560 reviews

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

Volaris El Salvador

7.4

Good

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

United Airlines

7.4

Good

8,997 reviews

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

American Airlines

7.2

Good

11,032 reviews

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

Avianca

6.6

Okay

2,464 reviews

Copa Airlines

7.6

Good

1,560 reviews

Reviews

1 / 20

4.0

Okay

Juan Pablo,Sep 2025

PTY - VVI

Related info for your journey

What airport do you fly from for flights from San José to Washington, D.C. Dulles Intl?
Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Washington, D.C. Dulles Intl. On average, Juan Santamaria Intl has 0 outbound flights to Washington, D.C. Dulles Intl per day from 6 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. Dulles Intl Airport?
Airlines like United Airlines fly from San José to Washington, D.C. Dulles Intl Airport in about 8h 24m. The time it takes to get you to your destination can typically vary by up to . There are 2042 mi between San José and Washington, D.C. Dulles Intl Airport.
What are the cheapest airlines flying from San José to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from San José to Washington, D.C. Dulles Intl Airport round-trip from $194. Other airlines that can offer you cheap pricing are United Airlines, from $216, and Avianca, from $222. Volaris El Salvador is currently priced 38% below the average price you’ll pay for this route.
What are the cheapest flights from San José to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from San José to Washington, D.C. Dulles Intl Airport is $154. On average you can expect to pay $532. The most popular route, (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), can usually be booked for $211.
Can I find deals for flights from San José to Dulles Intl that include hotel bookings?
Yes. In addition to deals on San José to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San José to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Dulles Intl.
Can I find deals for business class flights from San José to Dulles Intl?
Yes. Cheapflights offers flight deals from San José to Dulles 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 San José to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from San José to Washington, D.C. Dulles Intl Airport (average of $139). Flying from San José to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $232). 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.

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Top 6 airlines flying from San José to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Volaris El Salvador	Cheapest$194	Average$266	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$216	Average$361	FlexibilityNo cancel fee	On-time69%
Avianca	Cheapest$222	Average$351	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$226	Average$266	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$234	Average$285	FlexibilityNo cancel fee	On-timeN/A
Copa Airlines	Cheapest$286	Average$359	FlexibilityNo cancel fee	On-time70%

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$132+ Cheap flights from San José (SJO) to Dulles Intl (IAD)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl are usually found in October or July, booked 29 days in advance, depart on a Friday or Thursday and return on a Tuesday

Find flight deals from San José to Dulles Intl

Cheapest flights from San José to Dulles IntlExplore the most affordable flight options available from San José to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Explore the most affordable flight options available from San José to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Cheap flight deals from San José to Dulles Intl

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Best time to book a flight from San José to Dulles Intl

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Everything you need to know about your flight from San José to Washington, D.C. Dulles Intl Airport

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The best insider tips for San José to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San José to Washington, D.C. Dulles Intl Airport trip

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Related info for your journey

Find useful and relevant information for your journey from San José to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Alternative routes for San José to Dulles Intl

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Top 6 airlines flying from San José to Dulles Intl

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Cheapest flights from San José to Dulles Intl
Explore the most affordable flight options available from San José to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.