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Cheap flights from Washington, D.C. Reagan-National Airport to San José from $110

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. Reagan-National Airport to San José departing on 1/21. 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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0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:40 pm - 8:39 pm
DCA
-
SJO
8h 59m1 stop
United Airlines Logo
8:45 am - 6:41 pm
SJO
-
DCA
8h 56m1 stop
$237United Airlines
Wed, Feb 4 - Wed, Feb 11
American Airlines Logo
11:59 am - 10:30 pm
DCA
-
SJO
11h 31m1 stop
American Airlines Logo
6:00 am - 8:30 pm
SJO
-
DCA
13h 30m1 stop
$244American Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
12:55 pm - 6:53 pm
DCA
-
SJO
7h 58m1 stop
United Airlines Logo
1:05 pm - 11:59 pm
SJO
-
DCA
8h 54m1 stop
$248United Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
12:44 pm - 10:30 pm
DCA
-
SJO
10h 46m1 stop
American Airlines Logo
7:09 am - 11:59 pm
SJO
-
DCA
15h 50m1 stop
$251American Airlines
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
11:36 am - 9:43 pm
DCA
-
SJO
12h 07m1 stop
American Airlines Logo
6:00 am - 11:50 pm
SJO
-
DCA
15h 50m1 stop
$255American Airlines
Mon, Mar 9 - Wed, Mar 18
United Airlines Logo
12:40 pm - 8:39 pm
DCA
-
SJO
8h 59m1 stop
United Airlines Logo
6:30 am - 3:57 pm
SJO
-
DCA
8h 27m1 stop
$256United Airlines
Mon, Feb 2 - Tue, Feb 10
JetBlue Logo
9:50 am - 4:23 pm
DCA
-
SJO
7h 33m1 stop
JetBlue Logo
2:05 pm - 10:59 pm
SJO
-
DCA
7h 54m1 stop
$259JetBlue
Tue, Feb 10 - Fri, Feb 20
United Airlines Logo
12:40 pm - 8:39 pm
DCA
-
SJO
8h 59m1 stop
United Airlines Logo
6:30 am - 8:56 pm
SJO
-
DCA
13h 26m1 stop
$262United Airlines
Mon, Feb 2 - Sat, Feb 7
American Airlines Logo
7:59 pm - 10:24 am
DCA
-
SJO
15h 25m1 stop
American Airlines Logo
12:35 am - 4:29 pm
SJO
-
DCA
14h 54m1 stop
$276American Airlines
Sun, Feb 22 - Wed, Feb 25
American Airlines Logo
9:55 am - 9:02 pm
DCA
-
SJO
12h 07m1 stop
American Airlines Logo
7:09 am - 6:44 pm
SJO
-
DCA
10h 35m1 stop
$283American Airlines
Mon, Jan 12 - Thu, Jan 15

United Airlines flights from Washington, D.C. Reagan-National Airport to San José

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to San José flight tickets
United Airlines
Feb 4
DCA12:40 pmWashington, D.C. Reagan-National
8h 59m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Feb 11
SJO8:45 amSan José Juan Santamaria Intl
8h 56m
1 stop
DCA6:41 pmWashington, D.C. Reagan-National
$237
Find similar
United Airlines
Mar 10
DCA12:55 pmWashington, D.C. Reagan-National
7h 58m
1 stop
SJO6:53 pmSan José Juan Santamaria Intl
Mar 17
SJO1:05 pmSan José Juan Santamaria Intl
8h 54m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$248
Find similar
United Airlines
Feb 2
DCA12:40 pmWashington, D.C. Reagan-National
8h 59m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Feb 10
SJO6:30 amSan José Juan Santamaria Intl
8h 27m
1 stop
DCA3:57 pmWashington, D.C. Reagan-National
$256
Find similar

American Airlines flights from Washington, D.C. Reagan-National Airport to San José

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to San José flight tickets
American Airlines
Jan 24
DCA11:59 amWashington, D.C. Reagan-National
11h 31m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Jan 27
SJO6:00 amSan José Juan Santamaria Intl
13h 30m
1 stop
DCA8:30 pmWashington, D.C. Reagan-National
$244
Find similar
American Airlines
Jan 8
DCA1:34 pmWashington, D.C. Reagan-National
11h 09m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Jan 11
SJO7:09 amSan José Juan Santamaria Intl
14h 46m
1 stop
DCA10:55 pmWashington, D.C. Reagan-National
$249
Find similar
American Airlines
Jan 15
DCA12:44 pmWashington, D.C. Reagan-National
10h 46m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Jan 19
SJO7:09 amSan José Juan Santamaria Intl
15h 50m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$251
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 January 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 2/4

12:40 pm-8:39 pm

1 stop8h 59m

San José Juan Santamaria Intl

Wed 2/11

8:45 am-6:41 pm

1 stop8h 56m

$237

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 1/24

11:59 am-10:30 pm

1 stop11h 31m

San José Juan Santamaria Intl

Tue 1/27

6:00 am-8:30 pm

1 stop13h 30m

$244

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 3/10

12:55 pm-6:53 pm

1 stop7h 58m

San José Juan Santamaria Intl

Tue 3/17

1:05 pm-11:59 pm

1 stop8h 54m

$248

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Thu 1/15

12:44 pm-10:30 pm

1 stop10h 46m

San José Juan Santamaria Intl

Mon 1/19

7:09 am-11:59 pm

1 stop15h 50m

$251

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 3/9

11:36 am-9:43 pm

1 stop12h 07m

San José Juan Santamaria Intl

Wed 3/18

6:00 am-11:50 pm

1 stop15h 50m

$255

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 2/2

12:40 pm-8:39 pm

1 stop8h 59m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-3:57 pm

1 stop8h 27m

$256

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 2/10

9:50 am-4:23 pm

1 stop7h 33m

San José Juan Santamaria Intl

Fri 2/20

2:05 pm-10:59 pm

1 stop7h 54m

$259

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 2/2

12:40 pm-8:39 pm

1 stop8h 59m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-8:56 pm

1 stop13h 26m

$262

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sun 2/22

7:59 pm-10:24 am

1 stop15h 25m

San José Juan Santamaria Intl

Wed 2/25

12:35 am-4:29 pm

1 stop14h 54m

$276

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 1/12

9:55 am-9:02 pm

1 stop12h 07m

San José Juan Santamaria Intl

Thu 1/15

7:09 am-6:44 pm

1 stop10h 35m

$283

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. Reagan-National Airport 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 cheapest month to fly to San José?

In general, November is the cheapest month to fly from Washington, D.C. Reagan-National Airport to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $305. If you don’t want to visit San José in November, then you should wait until May to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $327.

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. Reagan-National Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $347. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Reagan-National Airport to San José on a Saturday will generally be more expensive and average around $653. 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. Reagan-National Airport 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 $387. Flights in the morning are often more expensive with an average ticket price of $785.

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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $436 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. Reagan-National Airport for as low as $308 on momondo.

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

As of January 2026, prices for Washington, D.C. Reagan-National Airport to San José flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to San José (DCA to SJO) flight deals and tips

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to San José takes 6h 35m
There are no direct flights from Washington, D.C. Reagan-National Airport to San José. There are no popular flight routes from Washington, D.C. Reagan-National Airport to San José.
Search flight deals

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

    There are 2043.8 mi between Washington, D.C. Reagan-National and San José Juan Santamaria Intl. In terms of flight time, this usually takes a little over 6h 35m.

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

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

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

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

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

    The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to San José

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to San José with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
DeltaPriceFrom $252Free CancellationRating
7.9
8,022 reviews
Search Delta flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
11,088 reviews
Search American Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
AviancaPriceFrom $268Free CancellationRating
6.6
2,498 reviews
Search Avianca flights
Copa AirlinesPriceFrom $272Free CancellationRating
7.6
1,564 reviews
Search Copa Airlines flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights

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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San José from Washington, D.C..

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San José from Washington, D.C..

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

If you are not ready to book a flight from Washington, D.C. to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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