Cheap flights from Washington, D.C. to San José from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San José departing on 9/8. 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 Washington, D.C. to San José (WAS-SJO)

Cheap round-trip flights

Spirit Airlines Logo
8:16 pm - 11:14 amBWI-SJO
16h 58m1 stop
Spirit Airlines Logo
12:19 pm - 11:25 pmSJO-BWI
9h 06m1 stop
$210Spirit Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
Spirit Airlines Logo
9:39 pm - 11:14 amBWI-SJO
15h 35m2 stops
Spirit Airlines Logo
12:19 pm - 11:25 pmSJO-BWI
9h 06m1 stop
$216Spirit Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
Copa Airlines Logo
4:49 pm - 8:19 amBWI-SJO
17h 30m1 stop
Copa Airlines Logo
5:57 am - 3:08 pmSJO-BWI
7h 11m1 stop
$244Copa Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Copa Airlines Logo
4:49 pm - 8:19 amBWI-SJO
17h 30m1 stop
Copa Airlines Logo
4:11 am - 3:08 pmSJO-BWI
8h 57m1 stop
$245Copa Airlines
Find Deal
Mon, Sep 15 - Wed, Oct 15
United Airlines Logo
6:00 am - 12:26 pmDCA-SJO
8h 26m1 stop
United Airlines Logo
7:45 am - 8:45 pmSJO-DCA
11h 00m1 stop
$256United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
United Airlines Logo
10:10 pm - 10:25 amIAD-SJO
14h 15m1 stop
United Airlines Logo
1:00 pm - 10:58 pmSJO-IAD
7h 58m1 stop
$256United Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Avianca Logo
1:30 am - 7:45 amIAD-SJO
7h 15m1 stop
Avianca Logo
4:15 pm - 12:10 amSJO-IAD
6h 55m1 stop
$257Avianca
Find Deal
Tue, Feb 3 - Tue, Feb 10
Avianca Logo
2:35 am - 7:40 amIAD-SJO
7h 05m1 stop
Avianca Logo
7:50 pm - 4:10 amSJO-IAD
6h 20m1 stop
$258Avianca
Find Deal
Sat, Oct 18 - Sun, Oct 26
American Airlines Logo
6:20 pm - 11:12 amBWI-SJO
18h 52m2 stops
American Airlines Logo
6:44 am - 10:54 pmSJO-BWI
14h 10m1 stop
$258American Airlines
Find Deal
Mon, Sep 15 - Wed, Oct 15
American Airlines Logo
11:50 am - 7:42 pmDCA-SJO
9h 52m1 stop
American Airlines Logo
6:00 am - 11:00 pmSJO-DCA
15h 00m1 stop
$262American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30

Copa Airlines flights from Washington, D.C. to San José, San José Province

Our best Copa Airlines deals on Washington, D.C. to San José, San José Province flight tickets
Copa Airlines
Sep 13
BWI4:49 pmBaltimore/Washington
17h 30m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Sep 20
SJO5:57 amSan José Juan Santamaria Intl
7h 11m
1 stop
BWI3:08 pmBaltimore/Washington
Copa Airlines
Sep 15
BWI4:49 pmBaltimore/Washington
17h 30m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Oct 15
SJO4:11 amSan José Juan Santamaria Intl
8h 57m
1 stop
BWI3:08 pmBaltimore/Washington
Copa Airlines
Sep 18
IAD4:34 pmWashington, D.C. Dulles Intl
26h 18m
3 stops
SJO4:52 pmSan José Juan Santamaria Intl
Sep 21
SJO8:49 amSan José Juan Santamaria Intl
17h 31m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl

Spirit Airlines flights from Washington, D.C. to San José, San José Province

Our best Spirit Airlines deals on Washington, D.C. to San José, San José Province flight tickets
Spirit Airlines
Sep 13
BWI8:16 pmBaltimore/Washington
16h 58m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Sep 16
SJO12:19 pmSan José Juan Santamaria Intl
9h 06m
1 stop
BWI11:25 pmBaltimore/Washington
Spirit Airlines
Sep 13
BWI9:39 pmBaltimore/Washington
15h 35m
2 stops
SJO11:14 amSan José Juan Santamaria Intl
Sep 16
SJO12:19 pmSan José Juan Santamaria Intl
9h 06m
1 stop
BWI11:25 pmBaltimore/Washington
Spirit Airlines
Sep 5
BWI8:52 pmBaltimore/Washington
16h 22m
2 stops
SJO11:14 amSan José Juan Santamaria Intl
Sep 8
SJO12:19 pmSan José Juan Santamaria Intl
9h 06m
1 stop
BWI11:25 pmBaltimore/Washington

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to San José, San José Province 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 August 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 9/13

8:16 pm-11:14 am

1 stop16h 58m

San José Juan Santamaria Intl

Tue 9/16

12:19 pm-11:25 pm

1 stop9h 06m

$210

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 9/13

9:39 pm-11:14 am

2 stops15h 35m

San José Juan Santamaria Intl

Tue 9/16

12:19 pm-11:25 pm

1 stop9h 06m

$216

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 9/13

4:49 pm-8:19 am

1 stop17h 30m

San José Juan Santamaria Intl

Sat 9/20

5:57 am-3:08 pm

1 stop7h 11m

$244

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 9/15

4:49 pm-8:19 am

1 stop17h 30m

San José Juan Santamaria Intl

Wed 10/15

4:11 am-3:08 pm

1 stop8h 57m

$245

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 10/25

6:00 am-12:26 pm

1 stop8h 26m

San José Juan Santamaria Intl

Sat 11/1

7:45 am-8:45 pm

1 stop11h 00m

$256

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 10/27

10:10 pm-10:25 am

1 stop14h 15m

San José Juan Santamaria Intl

Thu 10/30

1:00 pm-10:58 pm

1 stop7h 58m

$256

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 2/3

1:30 am-7:45 am

1 stop7h 15m

San José Juan Santamaria Intl

Tue 2/10

4:15 pm-12:10 am

1 stop6h 55m

$257

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 10/18

2:35 am-7:40 am

1 stop7h 05m

San José Juan Santamaria Intl

Sun 10/26

7:50 pm-4:10 am

1 stop6h 20m

$258

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 9/15

6:20 pm-11:12 am

2 stops18h 52m

San José Juan Santamaria Intl

Wed 10/15

6:44 am-10:54 pm

1 stop14h 10m

$258

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 9/24

11:50 am-7:42 pm

1 stop9h 52m

San José Juan Santamaria Intl

Tue 9/30

6:00 am-11:00 pm

1 stop15h 00m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San José from

How to get the cheapest flight ticket from Washington, D.C. to San José, San José Province

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 Washington, D.C. and San José, San José Province?

What is the cheapest month to fly to San José, San José Province?

The month of October is, on average, the cheapest month to fly to San José, San José Province from Washington, D.C., with most prices found around $321. If you’re not able to fly to San José, San José Province in October, then May is your next best option. Flight prices from Washington, D.C. to San José, San José Province during May average around $327.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Washington, D.C. to San José, San José Province is on a Tuesday when prices can be found for as low as $371. The most expensive day to fly to San José, San José Province is Saturday, with ticket prices averaging around $681.

What is the cheapest time of day to depart on your flight to San José, San José Province?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to San José, San José Province when you can find flight prices for as low as $414. Flying to San José, San José Province in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $775 per ticket.

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

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

How far in advance should I book a flight to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Washington, D.C. for as low as $350 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. to San José Juan Santamaria 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 Washington, D.C. to San José, San José Province flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. to San José, San José Province flight.

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

As of August 2025, prices for Washington, D.C. to San José, San José Province flights are approximately 17% cheaper when compared to flights at the same time last year.

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

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

Cheap Washington, D.C. to San José, San José Province (WAS to SJO) flight deals and tips

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

Best Price Found

$201

Fastest flight time

4h 40m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from Washington, D.C. in the past 72 hours is $201. The best round-trip flight deal from Washington, D.C. to San José, San José Province found on momondo in the last 72 hours is $354.
The fastest flight from Washington, D.C. to San José, San José Province takes 4h 40m
Direct flights go from Washington, D.C. to San José, San José Province on Monday, Tuesday, Wednesday, Friday and Sunday. The only airline offering direct flights is Avianca.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)
  • How far is Washington, D.C. to San José Juan Santamaria Intl by plane?

    The straight-line distance from Washington, D.C. to San José Juan Santamaria Intl is 2047.5 mi. In terms of flight time, this usually takes a little over 4h 40m.

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

    Prices for flights from Washington, D.C. to San José Juan Santamaria Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria 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 San José Juan Santamaria 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 Washington, D.C. to San José, San José Province?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $174Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $200Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
AviancaPriceFrom $257Free CancellationRating
6.7
2,420 reviews
Search Avianca flights
Copa AirlinesPriceFrom $257Free CancellationRating
7.5
1,517 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $278Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
  • Avianca Flights From Washington, D.C. to San José, San José Province

    The lowest priced Avianca flight from Washington, D.C. to San José, San José Province from the last 72 hours was $257. Generally, Avianca has 1 flight on this route every week with an average price of $422. Avianca is rated 6.7/10 by our users.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San José. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to San José from Washington, D.C. with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to San José.

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

Of course. momondo tracks the price of Washington, D.C. to San José flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Tue 9/2
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