$109 Find Cheap Flights from Reagan Washington National Airport to Costa Rica

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Costa Rica departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Reagan-National to Costa Rica

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
San José
San José1 stop$243
Liberia
Liberia1 stop$265
San José
San José1 stop$243
Liberia
Liberia1 stop$265

Book Cheap Reagan-National to Costa Rica Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Costa Rica that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Costa Rica

Wed, Feb 4 - Mon, Feb 9
American Airlines Logo
9:35 am - 10:30 pm
DCA
-
SJO
13h 55m1 stop
American Airlines Logo
4:02 pm - 9:00 am
SJO
-
DCA
15h 58m1 stop
$243American Airlines
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
1:44 pm - 10:30 pm
DCA
-
SJO
9h 46m1 stop
American Airlines Logo
7:09 am - 6:44 pm
SJO
-
DCA
10h 35m1 stop
$250American Airlines
Thu, Jan 22 - Tue, Jan 27
United Airlines Logo
12:40 pm - 8:39 pm
DCA
-
SJO
8h 59m1 stop
United Airlines Logo
6:30 am - 6:41 pm
SJO
-
DCA
11h 11m1 stop
$255United Airlines
Mon, Feb 2 - Wed, Feb 11
JetBlue Logo
9:50 am - 4:23 pm
DCA
-
SJO
7h 33m1 stop
JetBlue Logo
1:45 pm - 10:31 pm
SJO
-
DCA
7h 46m1 stop
$256JetBlue
Tue, May 5 - Wed, May 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
Wed, Jan 28 - Mon, Feb 2
United Airlines Logo
6:00 am - 1:15 pm
DCA
-
SJO
8h 15m1 stop
United Airlines Logo
6:30 am - 8:56 pm
SJO
-
DCA
13h 26m1 stop
$259United Airlines
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
6:00 am - 1:10 pm
DCA
-
LIR
8h 10m1 stop
United Airlines Logo
2:20 pm - 11:59 pm
LIR
-
DCA
8h 39m1 stop
$265United Airlines
Sun, Dec 14 - Wed, Dec 24
American Airlines Logo
5:00 am - 12:25 pm
DCA
-
LIR
8h 25m2 stops
American Airlines Logo
3:13 pm - 12:45 am
LIR
-
DCA
8h 32m1 stop
$269American Airlines
Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
7:31 pm - 12:37 pm
DCA
-
LIR
18h 06m1 stop
American Airlines Logo
2:38 pm - 8:56 am
LIR
-
DCA
17h 18m1 stop
$274American Airlines
Thu, Feb 12 - Mon, Feb 16
JetBlue Logo
7:00 am - 12:55 pm
DCA
-
LIR
6h 55m1 stop
JetBlue Logo
1:40 pm - 10:59 pm
LIR
-
DCA
8h 19m1 stop
$281JetBlue
Booking Insights

KAYAK's insights & trends for Reagan-National to Costa Rica flights

Get data-powered insights and trends into flights from Reagan-National to Costa Rica to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Costa Rica?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to Costa Rica, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Costa Rica is November, when tickets cost $320 (return) on average. On the other hand, the most expensive months are April and March, when the average cost of round-trip tickets is $557 and $534 respectively.

What’s the cheapest day of the week to fly from Reagan Washington National Airport to Costa Rica?

The average price of all round-trip flights from Washington, D.C. Reagan-National Airport to Costa Rica clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Costa Rica on a Tuesday and more expensive on a Saturday. On your return trip to Reagan Washington National Airport, you should consider flying back on a Thursday, and avoid Sundays for better deals.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Costa Rica?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to Costa Rica, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Reagan-National Airport to Costa Rica, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonMay
Cheapest flight$109
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 43% increase in price.
Flight from Reagan Washington National Airport to San José

FAQs - booking Costa Rica flights

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Costa Rica?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Costa Rica.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Costa Rica?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Reagan Washington National Airport to Costa Rica is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Costa Rica?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Reagan Washington National Airport to Costa Rica with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Costa Rica?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Reagan Washington National Airport to Costa Rica up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Costa Rica?

    The cheapest time of day to fly to Costa Rica is generally at night, when round-trip flights cost $395 on average. Morning departures are around 1% more expensive than evening flights, on average. The most expensive time of day to fly to Costa Rica is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $597.

Reviews of the top 5 airlines serving from Reagan-National to Costa Rica

 
Need help choosing which airline to fly with from Reagan-National to Costa Rica? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8011 reviews
8.5Crew
7.3Food
8.1Boarding
7.9Entertainment
7.9Comfort
Airline reviews

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

4.0 OkayCarl, Dec 2025
FLL - LGA
Read more Delta reviews

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Getting to the flight was arduous and lengthy. The flight itself was good but the food option wasn’t a good selection. I need to do a Kosher option on my return. Flight crew were nice

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

First, Delta needs more flights to/from Miami. Second, a 1000pm leaving at 1230pm is unacceptable from their biggest airport world hub. Another aircraft could have been used such as the aircraft scheduled to be used in the morning for that exact same route. Yes, I did get me there but the lack of sleep the next day didn't help me enjoy my entire trip since I was busy with activities during the weekend. This can be and is expected from Spirit (going bankrupt) and Frontier (despite they're nickel and dimers). But from Delta's World Hub? That's totally unacceptable!

This flight was straightforward and without difficulty. Service was OK, but I continue to be underwhelmed by level of attention given to Sky Priority passengers.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

AA delayed the flight for 3 hours and 50 minutes, but delayed the last 2 hours, 30 minutes at a time, so if we knew before, could have stayed at home and worked instead of being at the airport wasting time... The plane's crew was excellent, not their fault.

After arriving in Dallas, the aircraft taxied for an unusually long time and was unable to park at the gate, which caused a significant delay and made me miss my connecting flight. I then had to wait in a very long line to be rebooked, and I was told that no hotel or meal accommodations would be provided. What is even more unacceptable is that my luggage was mishandled and has still not been located. My suitcase contains important medications that I urgently need, and I have been unable to access them due to the airline’s mishandling. This situation has caused me considerable stress and inconvenience, and I need this issue to be resolved immediately.

RIC Staff was not enough. Elderly passengers had to wait 30 minutes to deplane, so we could board and still had to walk as no chairs were provided. And, passenger in front of my seat assignment rammed seat against my legs entire flight time. Was mildly bruised and left thigh still sore.

Liked that it was on time. Staff professional and friendly.

Things were delayed a little. But that didn’t affect my plans. It was fine. I was surprised it was so full thanksgiving day. The crew were friendly and professional.

I appreciated that it was on time, safe and professional. I didn’t like that I wasn’t in a place where I had a window at my window seat. It would have been nice to know that in advance. If it was mentioned in the ticketing, I didn’t notice it.

My flight was delayed about three hours. I got home at 3:30 in the morning very bad experience.

We were told the flight was delayed 5 times, then it was moved to the next day.

Flight delay was communicated before leaving for airport which caused it to be a non-event. Great flight and crew!

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

The ride share experience in JFK is terrible. After traveling on a flight, then you need to take a subway to the last stop to get an uber or lyft. Unacceptable. Bad job JetBlue for permitting JFK and Port Authority to do this to your passengers.

Checking In on JetBlue site was impossible. It hung up on REAL ID. Even my Global Entry did not help. Luckily, on Kayak site it was a breeze. Entire flight the temperature was COLD! Otherwise the crew was great!

The flight was two hours late due to a computer fault and resulting maintenance. Nothing was offered as compensation beyond bottles of water during the time we were deplaned and waiting in the terminal.

Very pleasant flight attendants. Gate crew rather loud chatting with each other.

Four plus hour flight delay in New York caused us to take off after 11:30pm. We didn’t arrive at our hotel until five hours after check in. Started the trip off feeling exhausted.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

There was a fowl odour coming from the lavatory the entire flight

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

I don’t usually fly budget airlines or airlines in the United States. It was as good as any other airline. The seats are comfortable and the airline attendants are not rude & surly. Very nice flight (s).

No internet on a flight over three hours in this age is criminal. Staff inattentive and dismissive

I like the crew they're very friendly. I don't like. on five hour flight they not offered snacks. Any drink. Not even coffee

Not even water is offered on the flight. You cannot lean back on the seats and the seats are so narrow you can’t avoid rubbing elbows with the person next to you.

I couldnt recline the seat. Other than that crew was very attentive and helpful. Thsnk you

I had to go to the boarding counter for them to enter my return flight as it’s not with Avianca. There was a long queue as there were lots of people being called to the counter.

This low cost airline looks and fells more like a local bus. In a 6 hour flight not being able to recline a seat is torture. The only thing available with no charge is a glass of water provided by, mostly, rude staff. Our luggage didn’t arrive

Did not fly with Pakistan International Airlines. Have never flown with Pakistan International Airlines.

Boarding, crew were excellent, food was ok and entertainment need to improve

Luggage lost and nowhere to be found, no response from either airline regarding my bag

The seats were uncomfortable and barely reclined at all. Very little leg room despite being business class. The crew was friendly and the food was good. Had to use my own phone for in-flight entertainment.

Boarding was excessively slow. They do it by groups in a way that it doesn’t make sense. After business class , ppl that need assistance and any other priority group they should have ppl board from the back to the front. First rows 20+. Then 15+. Then 10, etc. having ppl sitting in the back board last makes no sense. The libe backame long as soon as ppl on rows 10 or so where told to board. The line went all the way up the ramp and tunnel for 25 mins.

Everything you need to know for your flight from Reagan-National to Costa Rica

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