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Cheap flights from Washington, D.C. to San José from $85

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 2/9. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m1 stop
Spirit Airlines Logo
1:30 pm - 11:36 pm
SJO
-
BWI
9h 06m1 stop
$227Spirit Airlines
Mon, Jan 19 - Thu, Feb 5
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m1 stop
Spirit Airlines Logo
12:35 pm - 11:17 pm
SJO
-
BWI
9h 42m1 stop
$233Spirit Airlines
Mon, Feb 9 - Fri, Feb 13
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m1 stop
Spirit Airlines Logo
1:30 pm - 11:36 pm
SJO
-
BWI
9h 06m1 stop
$234Spirit Airlines
Mon, Jan 19 - Sat, Feb 7
United Airlines Logo
12:25 pm - 8:39 pm
BWI
-
SJO
9h 14m1 stop
United Airlines Logo
6:30 am - 4:06 pm
SJO
-
BWI
8h 36m1 stop
$236United Airlines
Thu, Jan 22 - Wed, Jan 28
Avianca Logo
11:55 pm - 3:50 am
IAD
-
SJO
4h 55mnonstop
Avianca Logo
5:10 pm - 10:35 pm
SJO
-
IAD
4h 25mnonstop
$238Avianca
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
9:17 am - 10:30 pm
BWI
-
SJO
14h 13m2 stops
American Airlines Logo
6:00 am - 11:21 pm
SJO
-
BWI
16h 21m2 stops
$240American Airlines
Wed, Jan 21 - Thu, Feb 5
American Airlines Logo
5:46 pm - 12:43 pm
IAD
-
SJO
19h 57m2 stops
American Airlines Logo
2:54 pm - 10:58 am
SJO
-
IAD
19h 04m2 stops
$240American Airlines
Wed, Jan 21 - Thu, Jan 29
United Airlines Logo
5:18 pm - 12:56 pm
BWI
-
SJO
20h 38m1 stop
United Airlines Logo
6:30 am - 10:25 pm
SJO
-
BWI
14h 55m1 stop
$242United Airlines
Wed, Jan 21 - Thu, Feb 5
Avianca Logo
4:15 pm - 11:40 pm
IAD
-
SJO
8h 25m1 stop
Avianca Logo
4:30 pm - 3:10 am
SJO
-
IAD
9h 40m1 stop
$244Avianca
Fri, Jan 30 - Fri, Feb 6
JetBlue Logo
7:59 am - 1:20 pm
DCA
-
SJO
7h 21m1 stop
JetBlue Logo
9:00 am - 10:34 pm
SJO
-
DCA
11h 34m1 stop
$258JetBlue
Tue, May 5 - Wed, May 6

Frontier flights from Washington, D.C. to San José

Our best Frontier deals on Washington, D.C. to San José flight tickets
Frontier
Jan 7
BWI5:45 amBaltimore/Washington
9h 03m
1 stop
SJO1:48 pmSan José Juan Santamaria Intl
Jan 12
SJO2:58 pmSan José Juan Santamaria Intl
8h 31m
1 stop
BWI12:29 amBaltimore/Washington
$276
Find similar
Frontier
Jan 10
BWI5:30 amBaltimore/Washington
7h 44m
1 stop
SJO12:14 pmSan José Juan Santamaria Intl
Jan 17
SJO3:12 pmSan José Juan Santamaria Intl
8h 19m
1 stop
BWI12:31 amBaltimore/Washington
$295
Find similar
Frontier
Dec 31
BWI5:30 amBaltimore/Washington
9h 12m
1 stop
SJO1:42 pmSan José Juan Santamaria Intl
Jan 10
SJO1:35 pmSan José Juan Santamaria Intl
9h 54m
1 stop
BWI12:29 amBaltimore/Washington
$372
Find similar

United Airlines flights from Washington, D.C. to San José

Our best United Airlines deals on Washington, D.C. to San José flight tickets
United Airlines
Jan 22
BWI8:07 amBaltimore/Washington
13h 32m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Jan 28
SJO6:30 amSan José Juan Santamaria Intl
8h 36m
1 stop
BWI4:06 pmBaltimore/Washington
$236
Find similar
United Airlines
Jan 21
BWI5:18 pmBaltimore/Washington
20h 38m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Feb 5
SJO6:30 amSan José Juan Santamaria Intl
14h 55m
1 stop
BWI10:25 pmBaltimore/Washington
$242
Find similar
United Airlines
Jan 21
DCA11:00 amWashington, D.C. Reagan-National
8h 16m
1 stop
SJO6:16 pmSan José Juan Santamaria Intl
Jan 26
SJO6:30 amSan José Juan Santamaria Intl
13h 26m
1 stop
DCA8:56 pmWashington, D.C. Reagan-National
$255
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to San José 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 1/19

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Thu 2/5

1:30 pm-11:36 pm

1 stop9h 06m

$227

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 2/9

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Fri 2/13

12:35 pm-11:17 pm

1 stop9h 42m

$233

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 1/19

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Sat 2/7

1:30 pm-11:36 pm

1 stop9h 06m

$234

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 1/22

12:25 pm-8:39 pm

1 stop9h 14m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-4:06 pm

1 stop8h 36m

$236

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 1/20

11:55 pm-3:50 am

Nonstop4h 55m

San José Juan Santamaria Intl

Tue 1/27

5:10 pm-10:35 pm

Nonstop4h 25m

$238

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Wed 1/21

9:17 am-10:30 pm

2 stops14h 13m

San José Juan Santamaria Intl

Thu 2/5

6:00 am-11:21 pm

2 stops16h 21m

$240

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 1/21

5:46 pm-12:43 pm

2 stops19h 57m

San José Juan Santamaria Intl

Thu 1/29

2:54 pm-10:58 am

2 stops19h 04m

$240

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Wed 1/21

5:18 pm-12:56 pm

1 stop20h 38m

San José Juan Santamaria Intl

Thu 2/5

6:30 am-10:25 pm

1 stop14h 55m

$242

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Fri 1/30

4:15 pm-11:40 pm

1 stop8h 25m

San José Juan Santamaria Intl

Fri 2/6

4:30 pm-3:10 am

1 stop9h 40m

$244

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 5/5

7:59 am-1:20 pm

1 stop7h 21m

San José Juan Santamaria Intl

Wed 5/6

9:00 am-10:34 pm

1 stop11h 34m

$258

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

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?

What is the cheapest month to fly to San José?

In general, October is the cheapest month to fly from Washington, D.C. to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you don’t want to visit San José in October, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $283.

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

On average, the least expensive day to fly to San José from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $350. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to San José on a Saturday will generally be more expensive and average around $668. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Washington, D.C. to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $404. Flights in the morning are often more expensive with an average ticket price of $790.

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?

You are more likely to see cheaper flights to San José from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Washington, D.C. for as low as $329 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 flights?

You could potentially save up to 1% on your flight if you consider stops on a Washington, D.C. to San José flight.

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

As of December 2025, prices for Washington, D.C. to San José flights are approximately 14% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San José 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 (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

Best Price Found

$109

Fastest flight time

4h 45m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in San José

1 airport
The best one-way flight to San José from Washington, D.C. in the past 72 hours is $109. The best round-trip flight deal from Washington, D.C. to San José found on momondo in the last 72 hours is $266.
The fastest flight from Washington, D.C. to San José takes 4h 45m
Direct flights go from Washington, D.C. to San José on Monday, Tuesday, Wednesday, Friday and Sunday. The only airline offering direct flights is Avianca.
There is 1 airport in San José. From Washington, D.C. there are direct flights to San José Juan Santamaria Intl (SJO).
Search flight deals

  • 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 45m.

  • 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?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to San José with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $174Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $200Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
AviancaPriceFrom $225Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
Spirit AirlinesPriceFrom $244Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $245Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
SouthwestPriceFrom $256Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights

  • Avianca Flights From Washington, D.C. to San José

    The lowest priced Avianca flight from Washington, D.C. to San José from the last 72 hours was $225. Generally, Avianca has 4 flights on this route every week with an average price of $380. Avianca is rated 6.6/10 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
Monteverde
Alajuela
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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