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: Avianca (77%), Avianca Costa Rica (77%), United Airlines( 64%).

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

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

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 155% when planning your travel around this day of the week.

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.

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.

$153+ Flights from San José to Washington, D.C. Dulles Intl Airport

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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

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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 Monday and return on a Tuesday

Cheap flight deals from San José to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$256 (Copa Airlines)
One-way from	$153 (American Airlines)
Popular in	March
Cheapest in	October
Average price	$297
Good round-trip deal	$396 or less
Good one-way deal	$259 or less

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

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. 7% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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

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

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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 February 20, 2025.

Wed 3/124:09 amSJO - IAD

1 stop8h 54mCopa Airlines

Mon 3/244:34 pmIAD - SJO

1 stop7h 31mCopa Airlines

Deal found 2/19

$256

Wed 3/53:10 pmSJO - IAD

1 stop16h 40mAmerican Airlines

Wed 3/121:52 pmIAD - SJO

2 stops23h 13mAmerican Airlines

Deal found 2/19

$257

Fri 4/411:15 amSJO - IAD

1 stop23h 07mVolaris El Salvador

Sat 4/52:22 amIAD - SJO

1 stop9h 52mVolaris El Salvador

Deal found 2/19

$259

Mon 3/1711:15 amSJO - IAD

1 stop22h 54mMultiple Airlines

Mon 3/242:30 amIAD - SJO

1 stop7h 05mMultiple Airlines

Deal found 2/19

$270

Tue 5/64:20 pmSJO - IAD

1 stop6h 55mAvianca

Mon 5/122:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 2/19

$284

Thu 7/37:55 amSJO - IAD

1 stop25h 37mUnited Airlines

Thu 7/1712:45 pmIAD - SJO

1 stop23h 26mUnited Airlines

Deal found 2/19

$311

Sat 2/223:35 pmSJO - IAD

1 stop7h 45mDelta

Sun 3/91:48 pmIAD - SJO

1 stop9h 36mDelta

Deal found 2/19

$370

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 February 20, 2025.

Wed 3/124:09 amSJO - IAD

1 stop8h 54mCopa Airlines

Mon 3/244:34 pmIAD - SJO

1 stop7h 31mCopa Airlines

Deal found 2/19

$256

Wed 3/53:10 pmSJO - IAD

1 stop16h 40mAmerican Airlines

Wed 3/121:52 pmIAD - SJO

2 stops23h 13mAmerican Airlines

Deal found 2/19

$257

Fri 4/411:15 amSJO - IAD

1 stop10h 55mVolaris El Salvador

Sun 4/62:05 pmIAD - SJO

1 stop22h 09mVolaris El Salvador

Deal found 2/19

$259

Thu 3/61:46 pmSJO - IAD

1 stop20h 23mMultiple Airlines

Sat 3/83:00 amIAD - SJO

1 stop9h 14mMultiple Airlines

Deal found 2/19

$264

Tue 5/64:20 pmSJO - IAD

1 stop6h 55mAvianca

Mon 5/122:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 2/19

$284

Thu 7/37:55 amSJO - IAD

1 stop25h 37mUnited Airlines

Thu 7/1712:45 pmIAD - SJO

1 stop23h 26mUnited Airlines

Deal found 2/19

$311

Last-minute flights from San José to Dulles Intl
Discover last-minute flight deals from San José to Dulles Intl. Data last updated February 20, 2025 and is based on user searches.

Sat 2/223:35 pmSJO - IAD

1 stop7h 45mDelta

Sun 3/91:48 pmIAD - SJO

1 stop9h 36mDelta

Deal found 2/19

$370

Tue 2/258:45 amSJO - IAD

1 stop11h 18mUnited Airlines

Tue 3/2512:35 pmIAD - SJO

1 stop9h 04mUnited Airlines

Deal found 2/19

$356

Thu 2/273:18 pmSJO - IAD

2 stops21h 00mAmerican Airlines

Tue 3/45:26 pmIAD - SJO

2 stops21h 52mAmerican Airlines

Deal found 2/19

$290

Thu 2/277:00 amSJO - IAD

1 stop7h 58mDelta

Tue 3/41:42 pmIAD - SJO

1 stop9h 30mDelta

Deal found 2/19

$370

Thu 2/275:05 amSJO - IAD

1 stop8h 25mAvianca

Mon 3/104:50 pmIAD - SJO

1 stop8h 30mAvianca

Deal found 2/19

$402

Fri 2/2811:15 amSJO - IAD

1 stop22h 54mVolaris El Salvador

Tue 3/112:22 amIAD - SJO

1 stop12h 00mVolaris El Salvador

Deal found 2/19

$264

Fri 2/288:45 amSJO - IAD

1 stop13h 45mCopa Airlines

Tue 3/43:34 pmIAD - SJO

1 stop7h 31mCopa Airlines

Deal found 2/20

$308

Sat 3/111:15 amSJO - IAD

1 stop22h 54mMultiple Airlines

Sun 3/92:22 amIAD - SJO

1 stop9h 52mMultiple Airlines

Deal found 2/19

$293

Wed 3/53:10 pmSJO - IAD

1 stop16h 40mAmerican Airlines

Wed 3/121:52 pmIAD - SJO

2 stops23h 13mAmerican Airlines

Deal found 2/19

$257

Sat 3/86:40 amSJO - IAD

1 stop23h 51mUnited Airlines

Mon 3/1710:20 pmIAD - SJO

1 stop23h 19mUnited Airlines

Deal found 2/19

$317

Wed 3/124:09 amSJO - IAD

1 stop8h 54mCopa Airlines

Mon 3/244:34 pmIAD - SJO

1 stop7h 31mCopa Airlines

Deal found 2/19

$256

Thu 3/137:50 pmSJO - IAD

1 stop6h 20mAvianca

Tue 3/182:30 amIAD - SJO

1 stop7h 05mAvianca

Deal found 2/18

$312

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 February 20, 2025.

Tue 4/2912:27 pmSJO - IAD

2 stops18h 11mAmerican Airlines

Deal found 2/18

$153

Mon 3/3111:15 amSJO - IAD

1 stop23h 07mVolaris El Salvador

Deal found 2/20

$156

Thu 3/275:30 amSJO - IAD

1 stop16h 18mUnited Airlines

Deal found 2/19

$157

Tue 4/111:55 amSJO - IAD

1 stop27h 09mMultiple Airlines

Deal found 2/19

$162

Tue 5/134:20 pmSJO - IAD

1 stop6h 55mAvianca

Deal found 2/20

$166

Thu 5/155:52 pmSJO - IAD

1 stop8h 28mCopa Airlines

Deal found 2/20

$188

Sat 5/101:11 pmSJO - IAD

1 stop8h 23mDelta

Deal found 2/20

$218

Tue 5/271:06 amSJO - IAD

2 stops26h 49mAlaska Airlines

Deal found 2/20

$336

Wed 4/26:15 amSJO - IAD

2 stops37h 10mAir Canada

Deal found 2/19

$360

Sat 4/191:46 pmSJO - IAD

1 stop26h 42mFrontier

Deal found 2/19

$402

Find flights from San José to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/12

4:09 am-3:03 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 3/24

4:34 pm-10:05 pm

1 stop7h 31m

$256

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/5

3:10 pm-8:50 am

1 stop16h 40m

Washington, D.C. Dulles Intl

Wed 3/12

1:52 pm-11:05 am

2 stops23h 13m

$257

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 4/4

11:15 am-12:10 am

1 stop10h 55m

Washington, D.C. Dulles Intl

Sun 4/6

2:05 pm-10:14 am

1 stop22h 09m

$259

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 3/6

1:46 pm-11:09 am

1 stop20h 23m

Washington, D.C. Dulles Intl

Sat 3/8

3:00 am-10:14 am

1 stop9h 14m

$264

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 5/6

4:20 pm-1:15 am

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 5/12

2:35 am-7:40 am

1 stop7h 05m

$284

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 7/3

7:55 am-11:32 am

1 stop25h 37m

Washington, D.C. Dulles Intl

Thu 7/17

12:45 pm-10:11 am

1 stop23h 26m

$311

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 4/29

12:27 pm-8:38 am

2 stops18h 11m

$153

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Mon 3/31

11:15 am-12:22 pm

1 stop23h 07m

$156

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 3/27

5:30 am-11:48 pm

1 stop16h 18m

$157

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 4/1

11:55 am-5:04 pm

1 stop27h 09m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 16 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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 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, 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?

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?

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from San José, San José Province to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

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

Travelers seeking maximum savings on their San José, San José Province to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday 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.

Rainfall in Dulles Intl 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

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

See what other customers who have flown with Alaska Airlines, Delta 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

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

9,691 reviews

Alaska Airlines

8.0

Very good

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

8,227 reviews

Alaska Airlines

8.0

Very good

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

7.6

Good

1,516 reviews

Alaska Airlines

8.0

Very good

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

8,768 reviews

Alaska Airlines

8.0

Very good

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,691 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

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.
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, Copa Airlines ($256), American Airlines ($257), and Volaris El Salvador ($259) offers the cheapest pricing from San José, San José Province to Washington, D.C. Dulles Intl Airport. Copa Airlines is 22% 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 American Airlines. According to our data, you can fly for as low as $153. Users have also found prices from $156 and $157 on Volaris El Salvador and United Airlines, 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: Avianca (77%), Avianca Costa Rica (77%), United Airlines( 64%).
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 $150. On average you can expect to pay $754. The most popular route, (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), can usually be booked for $210.
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.

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Top 6 airlines flying from San José to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Volaris El Salvador	Cheapest$173	Average$278	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$202	Average$252	FlexibilityNo cancel fee	On-time71%
Avianca	Cheapest$204	Average$345	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$205	Average$351	FlexibilityNo cancel fee	On-time69%
Copa Airlines	Cheapest$264	Average$368	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$280	Average$342	FlexibilityNo cancel fee	On-timeN/A

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$153+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San José to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Monday and return on a Tuesday

Cheap flight deals from San José to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 February 20, 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 February 20, 2025.

Find flights from San José to Dulles Intl within your budget

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 February.

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.

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 February 14, 2025.

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

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 February 20, 2025.

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.

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Delta 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.

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?

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

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

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

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

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

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

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

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

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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 February 20, 2025.