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Cheap flights from San José, San José Province to Washington, D.C. from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José, San José Province to Washington, D.C. departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San José, San José Province to Washington, D.C.

Cheap round-trip flights

Avianca Logo
5:10 pm - 11:45 pmSJO-IAD
4h 35mnonstop
Avianca Logo
2:35 am - 7:40 amIAD-SJO
7h 05m1 stop
$218Avianca
Find Deal
Thu, Aug 14 - Sat, Aug 16
Avianca Logo
5:10 pm - 11:45 pmSJO-IAD
4h 35mnonstop
Avianca Logo
5:05 pm - 11:35 pmIAD-SJO
8h 30m1 stop
$220Avianca
Find Deal
Thu, Aug 21 - Wed, Aug 27
Avianca Logo
6:10 am - 1:15 amSJO-IAD
17h 05m1 stop
Avianca Logo
2:35 am - 7:40 amIAD-SJO
7h 05m1 stop
$221Avianca
Find Deal
Wed, Aug 27 - Tue, Sep 2
United Airlines Logo
2:30 pm - 8:13 pmSJO-IAD
4h 43mnonstop
United Airlines Logo
10:07 pm - 12:56 pmIAD-SJO
15h 49m1 stop
$232United Airlines
Find Deal
Sat, Dec 6 - Sun, Feb 8
United Airlines Logo
8:45 am - 7:19 amSJO-IAD
20h 34m1 stop
United Airlines Logo
10:05 pm - 7:37 pmIAD-SJO
23h 32m1 stop
$238United Airlines
Find Deal
Wed, Aug 13 - Wed, Aug 20
American Airlines Logo
6:00 am - 10:56 pmSJO-IAD
14h 56m2 stops
American Airlines Logo
10:25 am - 8:15 pmIAD-SJO
11h 50m2 stops
$243American Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27
American Airlines Logo
6:00 am - 10:56 pmSJO-IAD
14h 56m2 stops
American Airlines Logo
7:44 am - 8:15 pmIAD-SJO
14h 31m2 stops
$244American Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27
Copa Airlines Logo
2:20 pm - 3:13 amSJO-IAD
11h 53m1 stop
Copa Airlines Logo
3:24 pm - 8:21 amIAD-SJO
17h 57m1 stop
$258Copa Airlines
Find Deal
Sun, Jan 18 - Sat, Jan 24
Volaris El Salvador Logo
4:17 pm - 12:54 amSJO-IAD
6h 37m1 stop
Volaris El Salvador Logo
2:25 pm - 6:44 amIAD-SJO
18h 19m1 stop
$260Volaris El Salvador
Find Deal
Mon, Oct 6 - Sat, Oct 11
Volaris El Salvador Logo
4:17 pm - 12:40 pmSJO-IAD
18h 23m1 stop
Volaris El Salvador Logo
2:25 pm - 6:44 amIAD-SJO
18h 19m1 stop
$280Volaris El Salvador
Find Deal
Sun, Aug 17 - Thu, Aug 21

Avianca flights from San José, San José Province to Washington, D.C. Dulles Intl Airport

Our best Avianca deals on San José, San José Province to Washington, D.C. Dulles Intl Airport flight tickets
Avianca
Aug 14
SJO5:10 pmSan José Juan Santamaria Intl
4h 35m
IAD11:45 pmWashington, D.C. Dulles Intl
Aug 16
IAD2:35 amWashington, D.C. Dulles Intl
7h 05m
1 stop
SJO7:40 amSan José Juan Santamaria Intl
$218
Find similar
Avianca
Aug 2
SJO5:10 pmSan José Juan Santamaria Intl
4h 35m
IAD11:45 pmWashington, D.C. Dulles Intl
Aug 26
IAD5:05 pmWashington, D.C. Dulles Intl
8h 30m
1 stop
SJO11:35 pmSan José Juan Santamaria Intl
$220
Find similar
Avianca
Jul 30
SJO5:45 amSan José Juan Santamaria Intl
17h 30m
1 stop
IAD1:15 amWashington, D.C. Dulles Intl
Jul 31
IAD1:05 amWashington, D.C. Dulles Intl
4h 30m
SJO3:35 amSan José Juan Santamaria Intl
$221
Find similar

United Airlines flights from San José, San José Province to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on San José, San José Province to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 6
SJO2:30 pmSan José Juan Santamaria Intl
4h 43m
IAD8:13 pmWashington, D.C. Dulles Intl
Feb 8
IAD10:07 pmWashington, D.C. Dulles Intl
15h 49m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
$232
Find similar
United Airlines
Aug 13
SJO8:45 amSan José Juan Santamaria Intl
20h 34m
1 stop
IAD7:19 amWashington, D.C. Dulles Intl
Aug 20
IAD10:05 pmWashington, D.C. Dulles Intl
23h 32m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
$238
Find similar
United Airlines
Sep 17
SJO7:55 amSan José Juan Santamaria Intl
9h 18m
1 stop
IAD7:13 pmWashington, D.C. Dulles Intl
Sep 21
IAD6:00 amWashington, D.C. Dulles Intl
8h 26m
1 stop
SJO12:26 pmSan José Juan Santamaria Intl
$247
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José, San José Province to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from San José, San José Province 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

Thu 8/14

5:10 pm-11:45 pm

Nonstop4h 35m

Washington, D.C. Dulles Intl

Sat 8/16

2:35 am-7:40 am

1 stop7h 05m

$218

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 8/21

5:10 pm-11:45 pm

Nonstop4h 35m

Washington, D.C. Dulles Intl

Wed 8/27

5:05 pm-11:35 pm

1 stop8h 30m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 8/27

6:10 am-1:15 am

1 stop17h 05m

Washington, D.C. Dulles Intl

Tue 9/2

2:35 am-7:40 am

1 stop7h 05m

$221

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 12/6

2:30 pm-8:13 pm

Nonstop4h 43m

Washington, D.C. Dulles Intl

Sun 2/8

10:07 pm-12:56 pm

1 stop15h 49m

$232

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 8/13

8:45 am-7:19 am

1 stop20h 34m

Washington, D.C. Dulles Intl

Wed 8/20

10:05 pm-7:37 pm

1 stop23h 32m

$238

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 8/20

6:00 am-10:56 pm

2 stops14h 56m

Washington, D.C. Dulles Intl

Wed 8/27

10:25 am-8:15 pm

2 stops11h 50m

$243

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 8/20

6:00 am-10:56 pm

2 stops14h 56m

Washington, D.C. Dulles Intl

Wed 8/27

7:44 am-8:15 pm

2 stops14h 31m

$244

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 1/18

2:20 pm-3:13 am

1 stop11h 53m

Washington, D.C. Dulles Intl

Sat 1/24

3:24 pm-8:21 am

1 stop17h 57m

$258

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Mon 10/6

4:17 pm-12:54 am

1 stop6h 37m

Washington, D.C. Dulles Intl

Sat 10/11

2:25 pm-6:44 am

1 stop18h 19m

$260

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 8/17

4:17 pm-12:40 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Thu 8/21

2:25 pm-6:44 am

1 stop18h 19m

$280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San José, San José Province to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San José, San José Province and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, October is the cheapest month to fly from San José, San José Province to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $291.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Monday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $276. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San José, San José Province to Washington, D.C. Dulles Intl Airport for around $637.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San José, San José Province in the evening is the least expensive time of day to depart. momondo users have found prices as low as $334 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $568 on average. Flights to Washington, D.C. Dulles Intl Airport from San José, San José Province at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flight route?

Fly from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl for the best San José Juan Santamaria Intl - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San José, San José Province when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San José, San José Province for as low as $266 on momondo.

What cabin class options are available on San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San José, San José Province to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a San José, San José Province to Washington, D.C. Dulles Intl Airport flight.

How have San José, San José Province to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2025, prices for San José, San José Province to Washington, D.C. Dulles Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from San José, San José Province to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San José, San José Province to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San José, San José Province to Washington, D.C. Dulles Intl Airport (SJO to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San José, San José Province to Washington, D.C. Dulles Intl Airport

Best Price Found

$133

Fastest flight time

4h 35m

Direct flights

Tue, Wed, Fri and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from San José, San José Province in the past 72 hours is $133. The best round-trip flight deal from San José, San José Province to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $218.
The fastest flight from San José, San José Province to Washington, D.C. Dulles Intl Airport takes 4h 35m
Direct flights go from San José, San José Province to Washington, D.C. Dulles Intl Airport on Tuesday, Wednesday, Friday and Sunday. Airlines offering direct flights are: United Airlines and Avianca.
Search flight deals

  • How far is San José Juan Santamaria Intl to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl is 2045.0 mi. 4h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San José, San José Province to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from San José, San José Province to Washington, D.C. Dulles Intl Airport?

Best airlines flying from San José, San José Province to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from San José, San José Province to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Volaris El SalvadorPriceFrom $173Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
American AirlinesPriceFrom $220Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $234Free CancellationRating
8.0
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,899 reviews
Search United Airlines flights
AviancaPriceFrom $240Free CancellationRating
6.7
2,386 reviews
Search Avianca flights
Copa AirlinesPriceFrom $291Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights

  • Avianca Flights From San José, San José Province to Washington, D.C. Dulles Intl Airport

    Avianca operates around 6 flights from San José, San José Province to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $356, but momondo users have found Avianca deals from San José, San José Province to Washington, D.C. Dulles Intl Airport from as low as $240 round-trip. Avianca has been scored 6.7/10 in 2,386 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from San José to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San José to Washington, D.C. for you.

Can I find flights from San José to Washington, D.C. with flexible booking policies on momondo?

All flight searches from San José to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San José to Washington, D.C.?

Once you have performed a search for San José to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San José to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from San José. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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