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Dulles Intl

$163+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — IAD
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl are usually found in October or November, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from San José to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Dulles Intl (IAD). 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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(eDestinos)

One-way from

$163
(eDestinos)

Popular in

December

Cheapest in

October

Average price

$312
Provider with most accurate pricing for San José Juan Santamaria Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Washington, D.C. Dulles Intl flights.
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From San José Juan Santamaria Intl to Washington, D.C. Dulles Intl
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One-way flight from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl
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High demand for flights, 0% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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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 January 17, 2025.

This eDestinos deal was found by Cheapflights users on 1/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:15 amSJO - IAD
1 stop10h 43mVolaris El Salvador
Sat 3/222:22 amIAD - SJO
1 stop9h 52mVolaris El Salvador
Deal found 1/15$241
This United Airlines deal was found by Cheapflights users on 1/16. 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 3/127:45 amSJO - IAD
1 stop11h 18mUnited Airlines
Mon 3/246:00 amIAD - SJO
1 stop7h 42mUnited Airlines
Deal found 1/16$253
This Copa Airlines deal was found by Cheapflights users on 1/16. 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.
Wed 2/54:09 amSJO - IAD
1 stop8h 54mCopa Airlines
Mon 2/101:18 amIAD - SJO
1 stop9h 43mCopa Airlines
Deal found 1/16$256
This Delta deal was found by Cheapflights users on 1/16. 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 2/62:19 pmSJO - IAD
1 stop9h 03mDelta
Tue 2/251:42 pmIAD - SJO
1 stop9h 30mDelta
Deal found 1/16$271
This Booking.com deal was found by Cheapflights users on 1/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/121:46 pmSJO - IAD
1 stop20h 23mMultiple Airlines
Wed 2/193:50 pmIAD - SJO
1 stop8h 30mMultiple Airlines
Deal found 1/15$273
This American Airlines deal was found by Cheapflights users on 1/15. 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 2/111:11 pmSJO - IAD
2 stops18h 30mAmerican Airlines
Wed 2/197:30 pmIAD - SJO
2 stops17h 43mAmerican Airlines
Deal found 1/15$283
This Avianca deal was found by Cheapflights users on 1/15. 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 2/137:50 pmSJO - IAD
1 stop6h 20mAvianca
Mon 2/171:30 amIAD - SJO
1 stop7h 05mAvianca
Deal found 1/15$289

Find flights from San José to Dulles Intl within your budget

Customize your flight search to find flights from San José to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 3/21

11:15 am-11:58 pm

1 stop10h 43m

Washington, D.C. Dulles Intl

Sat 3/22

2:22 am-10:14 am

1 stop9h 52m

$241

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/12

7:45 am-9:03 pm

1 stop11h 18m

Washington, D.C. Dulles Intl

Mon 3/24

6:00 am-11:42 am

1 stop7h 42m

$253

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 2/5

4:09 am-2:03 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 2/10

1:18 am-10:01 am

1 stop9h 43m

$256

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 2/6

2:19 pm-12:22 am

1 stop9h 03m

Washington, D.C. Dulles Intl

Tue 2/25

1:42 pm-10:12 pm

1 stop9h 30m

$271

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 2/12

1:46 pm-11:09 am

1 stop20h 23m

Washington, D.C. Dulles Intl

Wed 2/19

3:50 pm-11:20 pm

1 stop8h 30m

$273

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 2/11

1:11 pm-8:41 am

2 stops18h 30m

Washington, D.C. Dulles Intl

Wed 2/19

7:30 pm-12:13 pm

2 stops17h 43m

$283

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 2/13

7:50 pm-3:10 am

1 stop6h 20m

Washington, D.C. Dulles Intl

Mon 2/17

1:30 am-7:35 am

1 stop7h 05m

$289

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Mon 4/14

9:51 am-12:22 pm

1 stop24h 31m

$163

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/5

3:10 pm-8:50 am

1 stop16h 40m

$166

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/5

4:50 pm-1:40 am

1 stop7h 50m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 18 results
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Compare providers for flights from San José to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 San José, San José Province-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-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, San José Province-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José, San José Province-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.

Travel insights for flights from San José to Dulles Intl

Get recent, data-driven insights about flights from San José to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from San José to Dulles Intl. Price data was last updated on January 10, 2025.

The best time to book flights from San José, San José Province to Washington, D.C. Dulles Intl Airport is 67 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. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San José, San José Province to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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?

Find hourly flight availability from San José to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from San José, San José Province 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, San José Province to Washington, D.C. Dulles Intl Airport?

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

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 17, 2025.
See what other customers who have flown with Volaris El Salvador, United Airlines and Copa Airlines from San José to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,681 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines
7.7
Good
1,658 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 5 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. Dulles Intl Airport round-trip?

    According to our current data, Volaris El Salvador ($241), United Airlines ($246), and Copa Airlines ($256) offers the cheapest pricing from San José, San José Province to Washington, D.C. Dulles Intl Airport. Volaris El Salvador is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Volaris El Salvador. According to our data, you can fly for as low as $163. Users have also found prices from $166 and $169 on American Airlines and Avianca, respectively.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from San José, San José Province, check out the most reliable airlines to get you to your destination on time: United Airlines (75%), Avianca (72%), Avianca Costa Rica( 72%).

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

    The cheapest flight price from San José, San José Province to Washington, D.C. Dulles Intl Airport is $138. On average you can expect to pay $560. The most popular route, (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), can usually be booked for $229.

  • 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, San José Province to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from San José, San José Province to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San José, San José Province to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for San José to Dulles Intl

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

Top 5 airlines flying from San José to Dulles Intl

Discover the top 5 airlines that operate flights from San José to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$202Average$278FlexibilityNo cancel feeOn-time71%
AviancaCheapest$204Average$331FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$205Average$351FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$260Average$366FlexibilityNo cancel feeOn-time70%
DeltaCheapest$280Average$342FlexibilityNo cancel feeOn-timeN/A
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