Cheap flights from Washington, D.C. Reagan-National Airport to San José from $139

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
American Airlines Logo
6:02 am - 7:24 pm
DCA
-
SJO
15h 22m
1 stop
American Airlines Logo
6:00 am - 12:41 am
SJO
-
DCA
16h 41m
1 stop
$320American Airlines
Mon, Jun 8 - Fri, Jun 12
United Airlines Logo
12:59 pm - 10:39 pm
DCA
-
SJO
11h 40m
1 stop
United Airlines Logo
12:30 am - 11:56 am
SJO
-
DCA
9h 26m
1 stop
$323United Airlines
Fri, May 29 - Sun, May 31
American Airlines Logo
5:45 pm - 11:25 am
DCA
-
SJO
19h 40m
1 stop
American Airlines Logo
1:59 pm - 9:29 am
SJO
-
DCA
17h 30m
1 stop
$327American Airlines
Tue, May 12 - Sat, May 23
American Airlines Logo
8:10 pm - 1:09 pm
DCA
-
SJO
18h 59m
1 stop
American Airlines Logo
6:00 am - 9:00 pm
SJO
-
DCA
13h 00m
1 stop
$329American Airlines
Wed, Jun 3 - Thu, Jun 11
American Airlines Logo
8:10 pm - 1:09 pm
DCA
-
SJO
18h 59m
1 stop
American Airlines Logo
6:00 am - 12:41 am
SJO
-
DCA
16h 41m
1 stop
$334American Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
6:00 am - 12:21 pm
DCA
-
SJO
8h 21m
1 stop
United Airlines Logo
7:55 am - 9:06 pm
SJO
-
DCA
11h 11m
1 stop
$340United Airlines
Mon, May 4 - Fri, May 22
JetBlue Logo
8:25 am - 12:57 pm
DCA
-
SJO
6h 32m
1 stop
JetBlue Logo
12:20 pm - 10:31 pm
SJO
-
DCA
8h 11m
1 stop
$345JetBlue
Tue, Sep 1 - Wed, Sep 9
United Airlines Logo
6:00 am - 12:21 pm
DCA
-
SJO
8h 21m
1 stop
United Airlines Logo
7:55 am - 9:05 pm
SJO
-
DCA
11h 10m
1 stop
$347United Airlines
Wed, Apr 29 - Tue, May 5
United Airlines Logo
6:00 am - 12:21 pm
DCA
-
SJO
8h 21m
1 stop
United Airlines Logo
1:25 pm - 11:58 pm
SJO
-
DCA
8h 33m
1 stop
$348United Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
5:00 am - 12:59 pm
DCA
-
SJO
9h 59m
1 stop
American Airlines Logo
2:02 pm - 10:50 am
SJO
-
DCA
18h 48m
1 stop
$352American Airlines
Mon, Jun 29 - Mon, Jul 20

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
Jun 8
DCA6:02 amWashington, D.C. Reagan-National
15h 22m
1 stop
SJO7:24 pmSan José Juan Santamaria Intl
Jun 12
SJO6:00 amSan José Juan Santamaria Intl
16h 41m
1 stop
DCA12:41 amWashington, D.C. Reagan-National
$320
American Airlines
May 12
DCA5:45 pmWashington, D.C. Reagan-National
19h 40m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
May 23
SJO1:59 pmSan José Juan Santamaria Intl
17h 30m
1 stop
DCA9:29 amWashington, D.C. Reagan-National
$327
American Airlines
Jun 3
DCA8:10 pmWashington, D.C. Reagan-National
18h 59m
1 stop
SJO1:09 pmSan José Juan Santamaria Intl
Jun 11
SJO6:00 amSan José Juan Santamaria Intl
13h 00m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
$329

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to San José flight tickets
Delta
Apr 18
DCA6:59 amWashington, D.C. Reagan-National
8h 07m
1 stop
SJO1:06 pmSan José Juan Santamaria Intl
May 12
SJO1:20 pmSan José Juan Santamaria Intl
8h 24m
1 stop
DCA11:44 pmWashington, D.C. Reagan-National
$357
Delta
May 9
DCA6:00 amWashington, D.C. Reagan-National
9h 15m
1 stop
SJO1:15 pmSan José Juan Santamaria Intl
May 13
SJO1:20 pmSan José Juan Santamaria Intl
8h 24m
1 stop
DCA11:44 pmWashington, D.C. Reagan-National
$394
Delta
Apr 25
DCA6:59 amWashington, D.C. Reagan-National
6h 57m
1 stop
SJO11:56 amSan José Juan Santamaria Intl
May 5
SJO1:21 pmSan José Juan Santamaria Intl
8h 20m
1 stop
DCA11:41 pmWashington, D.C. Reagan-National
$407

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 April 7, 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

Cheapest round-trip

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 6/8

6:02 am-7:24 pm

1 stop15h 22m

San José Juan Santamaria Intl

Fri 6/12

6:00 am-12:41 am

1 stop16h 41m

$320

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 5/29

12:59 pm-10:39 pm

1 stop11h 40m

San José Juan Santamaria Intl

Sun 5/31

12:30 am-11:56 am

1 stop9h 26m

$323

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 5/12

5:45 pm-11:25 am

1 stop19h 40m

San José Juan Santamaria Intl

Sat 5/23

1:59 pm-9:29 am

1 stop17h 30m

$327

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 6/3

8:10 pm-1:09 pm

1 stop18h 59m

San José Juan Santamaria Intl

Thu 6/11

6:00 am-9:00 pm

1 stop13h 00m

$329

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 6/3

8:10 pm-1:09 pm

1 stop18h 59m

San José Juan Santamaria Intl

Sun 6/7

6:00 am-12:41 am

1 stop16h 41m

$334

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 5/4

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Fri 5/22

7:55 am-9:06 pm

1 stop11h 11m

$340
Quickest round-trip

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 9/1

8:25 am-12:57 pm

1 stop6h 32m

San José Juan Santamaria Intl

Wed 9/9

12:20 pm-10:31 pm

1 stop8h 11m

$345

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 4/29

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Tue 5/5

7:55 am-9:05 pm

1 stop11h 10m

$347

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sun 4/26

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Wed 5/6

1:25 pm-11:58 pm

1 stop8h 33m

$348

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 6/29

5:00 am-12:59 pm

1 stop9h 59m

San José Juan Santamaria Intl

Mon 7/20

2:02 pm-10:50 am

1 stop18h 48m

$352

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and San José?

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 $293. If you don’t want to visit San José in November, then you should wait until October to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $373.

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 $603. 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 $383. Flights in the morning are often more expensive with an average ticket price of $727.

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 $460 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 $368 on momondo.

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

As of April 2026, prices for Washington, D.C. Reagan-National Airport to San José flights are approximately 22% 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 36m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to San José takes 6h 36m
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.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to San José

  • 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 36m.

  • 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
AviancaPriceFrom $132Free CancellationRating
6.5
2,500 reviews
Search Avianca flights
DeltaPriceFrom $137Free CancellationRating
7.9
8,388 reviews
Search Delta flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,551 reviews
Search United Airlines flights
American AirlinesPriceFrom $261Free CancellationRating
7.1
11,551 reviews
Search American Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,922 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
Santa Elena
Dominical
San Gerardo de Dota
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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1 adult
Thu 5/7
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