Cheap flights from Washington, D.C. to Costa Rica from $112
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 Costa Rica departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Washington, D.C. to Costa Rica
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.JetBlue flights from Washington, D.C. to Costa Rica
Our best JetBlue deals on Washington, D.C. to Costa Rica flight tickets
Avianca flights from Washington, D.C. to Costa Rica
Our best Avianca deals on Washington, D.C. to Costa Rica flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Washington, D.C. to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Fri 10/30
7:00 am-11:45 am
1 stop6h 45m
Liberia
Tue 11/3
2:00 pm-12:31 am
1 stop9h 31m
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Fri 10/30
6:00 am-11:45 am
1 stop7h 45m
Liberia
Tue 11/3
2:00 pm-12:31 am
1 stop9h 31m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Mon 1/11
8:00 am-2:16 pm
1 stop7h 16m
Liberia
Wed 2/3
3:42 pm-9:30 am
1 stop16h 48m
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Mon 10/26
5:48 pm-1:18 pm
2 stops21h 30m
Liberia
Thu 10/29
2:18 pm-11:05 am
1 stop18h 47m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sun 10/25
6:00 am-5:37 pm
1 stop13h 37m
Liberia
Fri 10/30
4:20 pm-8:24 am
1 stop14h 04m
BaltimoreSan José
BWI Baltimore/Washington - SJO San José Juan Santamaria Intl
BWISJO
Baltimore/Washington
Wed 11/4
8:00 am-2:00 pm
1 stop7h 00m
San José Juan Santamaria Intl
Fri 12/4
12:50 pm-11:30 pm
1 stop9h 40m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Mon 11/9
7:20 pm-12:33 pm
2 stops18h 13m
Liberia
Fri 11/13
3:35 pm-9:34 am
2 stops16h 59m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Mon 11/9
7:20 pm-12:33 pm
2 stops18h 13m
Liberia
Fri 11/13
3:35 pm-9:28 am
1 stop16h 53m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sun 10/25
6:20 pm-10:54 am
1 stop18h 34m
Liberia
Fri 10/30
1:20 pm-11:57 pm
1 stop8h 37m
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sat 11/14
7:50 am-2:00 pm
1 stop7h 10m
Liberia
Sat 11/21
12:40 pm-10:52 pm
1 stop9h 12m
See travel insights to Costa Rica from
How to get the cheapest flight ticket from Washington, D.C. to Costa Rica
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 Costa Rica?
The cheapest month to fly to Costa Rica from Washington, D.C. is in October. Flight prices, which tend to average around $390, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then May is your next best option. Flight prices from Washington, D.C. to Costa Rica during May average around $390.
What is the cheapest day to depart on your flight to Costa Rica?
According to our data, Tuesday is the cheapest day to fly to Costa Rica from Washington, D.C.. The lowest ticket price found for a Tuesday departure recently was $371. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $751. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.
What is the cheapest time of day to depart on your flight to Costa Rica?
In the evening is the cheapest time of day to fly from Washington, D.C. to Costa Rica when you can find flight prices for as low as $390. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $766. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Washington, D.C. to Costa Rica flight route?
Fly from Washington, D.C. Dulles Intl to San José Juan Santamaria Intl for the best Washington, D.C. - Costa Rica flight prices
How far in advance should I book a flight from Washington, D.C. to Costa Rica?
You are more likely to see cheaper flights to Costa Rica from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Washington, D.C. for as low as $370 on momondo.
What cabin class options are available on Washington, D.C. to Costa Rica flights?
There are 3 cabin classes available to choose from on Washington, D.C. to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. to Costa Rica?
JetBlue, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Costa Rica
What airlines fly to Costa Rica?
Avianca, United Airlines and Copa Airlines are the top three most popular airlines that fly to Costa Rica from Washington, D.C. according to our data. Avianca is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 7 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Costa Rica on average per week?
As of October 2026, 3 flights take off from Washington, D.C. and land in Costa Rica each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.
How long is the flight from Washington, D.C. to Costa Rica?
Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Costa Rica you fly into. For example, flying from Baltimore to San José takes 4h 40m on average. On the other hand, flying from Washington, D.C. to San José takes 6h 28m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.
Cheap Washington, D.C. to Costa Rica flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Costa Rica
Frequently asked questions about flying from Washington, D.C. to Costa Rica
When did momondo last update prices for flights from Washington, D.C. to Costa Rica?
Prices for flights from Washington, D.C. to Costa Rica refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Costa Rica?
As of October 2026, there are 7 operators available to choose from for flights from Washington, D.C. to Costa Rica.
How old do you have to be to fly from Washington, D.C. to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Costa Rica?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Costa Rica is Boeing 737 MAX 8, representing 57.69% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 11.54%, Embraer 175 (Enhanced Winglets) at 8.12%, and Boeing 737 at 7.26%.
Best airlines flying from Washington, D.C. to Costa Rica
Compare and see reviews for airlines that fly from Washington, D.C. to Costa Rica with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $180 | Free Cancellation | Rating 7.8 8,643 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.6 1,548 reviews | |||
| PriceFrom $224 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.1 3,048 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $244 | Free Cancellation | Rating 6.5 2,558 reviews | |||
| PriceFrom $299 | Free Cancellation | Rating 7.9 4,221 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Costa Rica?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Costa Rica. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Costa Rica with flexible booking policies on momondo?
Yes. All flights to Costa Rica from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Costa Rica?
Once you have performed a search for Washington, D.C. to Costa Rica flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Washington, D.C. to Costa Rica right now. Can momondo alert me if prices change?
Price alerts on flights to Costa Rica from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.