$168 Find Cheap Flights from Costa Rica to Washington Dulles Airport - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 1/29. 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.
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Flight Deals
Cheap Flights from Costa Rica to Dulles Intl
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Costa Rica to Dulles Intl 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 Costa Rica to Dulles Intl
Fri, Dec 25 - Wed, Dec 30
8:45 am - 6:36 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
8h 51m1 stop Houston George Bush Intcntl
6:00 am - 6:37 pmIAD Washington, D.C. Dulles Intl-LIR Liberia
13h 37m1 stop Houston George Bush Intcntl
$310United Airlines
Tue, Jan 12 - Sun, Jan 17
3:42 pm - 6:44 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
26h 02m2 stops Miami Charlotte Douglas
7:14 pm - 2:16 pmIAD Washington, D.C. Dulles Intl-LIR Liberia
20h 02m2 stops Charlotte Douglas Miami
$349American Airlines
Fri, Oct 23 - Sat, Oct 31
5:05 am - 3:55 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
8h 50m1 stop San Salvador El Salvador Intl
2:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 05m1 stop Guatemala City La Aurora
$362Avianca
Thu, Oct 22 - Thu, Oct 29
7:45 pm - 4:20 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 35m1 stop San Salvador El Salvador Intl
3:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 05m1 stop Guatemala City La Aurora
$362Avianca
Tue, Oct 20 - Fri, Oct 23
6:05 pm - 4:20 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
8h 15m1 stop Panama City Tocumen Intl
2:25 am - 9:04 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 39m1 stop Panama City Tocumen Intl
$363Copa Airlines
Fri, Oct 16 - Sun, Oct 18
6:05 pm - 4:20 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
8h 15m1 stop Panama City Tocumen Intl
2:25 am - 9:04 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 39m1 stop Panama City Tocumen Intl
$363Copa Airlines
Sat, Oct 24 - Sat, Oct 31
11:49 am - 5:17 amLIR Liberia-IAD Washington, D.C. Dulles Intl
15h 28m1 stop Denver Intl
6:00 am - 6:37 pmIAD Washington, D.C. Dulles Intl-LIR Liberia
14h 37m1 stop Houston George Bush Intcntl
$363United Airlines
Sat, Oct 31 - Sat, Nov 7
1:20 pm - 12:37 amLIR Liberia-IAD Washington, D.C. Dulles Intl
9h 17m1 stop Houston George Bush Intcntl
6:10 am - 11:54 amIAD Washington, D.C. Dulles Intl-LIR Liberia
30h 44m1 stop Newark
$363United Airlines
Sat, Dec 19 - Mon, Jan 18
3:55 pm - 9:48 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
16h 53m1 stop Atlanta Hartsfield-Jackson
6:00 am - 10:05 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
17h 05m1 stop Atlanta Hartsfield-Jackson
$366Delta
Tue, Nov 17 - Sun, Nov 29
7:00 am - 3:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
7h 59m1 stop Atlanta Hartsfield-Jackson
6:00 am - 10:15 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
17h 15m1 stop Atlanta Hartsfield-Jackson
$366Delta
Recent one-way flight deals from Costa Rica to Dulles Intl
Fri, Jan 29
3:42 pm - 6:44 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
26h 02m2 stops Miami Charlotte Douglas
$168American Airlines
Wed, Dec 23
2:00 pm - 7:35 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
4h 35mnonstop
$173United Airlines
Thu, Dec 17
2:00 pm - 7:35 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
4h 35mnonstop
$176United Airlines
Fri, Dec 18
2:00 pm - 7:35 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
4h 35mnonstop
$176United Airlines
Mon, Oct 26
3:01 pm - 11:56 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
18h 55m2 stops Miami Charlotte Douglas
$222American Airlines
Tue, Oct 27
6:00 am - 11:33 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
15h 33m2 stops Miami Charlotte Douglas
$222American Airlines
Sun, Oct 4
8:45 am - 7:01 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
20h 16m1 stop San Francisco
$287Avianca
Tue, Oct 6
1:25 pm - 12:30 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
9h 05m1 stop Houston George Bush Intcntl
$287Avianca
Sat, Nov 21
8:45 am - 12:37 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
14h 52m1 stop Houston George Bush Intcntl
$308Copa Airlines
Sat, Dec 12
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
$473Copa Airlines
Recent last minute flight deals from Costa Rica to Dulles Intl
Thu, Oct 1 - Thu, Oct 8
5:25 pm - 2:15 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 50m1 stop Guatemala City La Aurora
5:35 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 05m1 stop San Salvador El Salvador Intl
$362Avianca
Mon, Oct 5 - Sat, Oct 10
5:25 pm - 2:15 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 50m1 stop Guatemala City La Aurora
5:35 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 05m1 stop San Salvador El Salvador Intl
$362Avianca
Thu, Oct 1 - Sun, Oct 11
5:25 pm - 2:15 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 50m1 stop Guatemala City La Aurora
4:10 am - 8:45 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
6h 35m1 stop San Salvador El Salvador Intl
$362Avianca
Thu, Oct 1 - Wed, Oct 14
7:55 am - 12:30 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Houston George Bush Intcntl
10:10 pm - 7:15 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
35h 05m1 stop San Francisco
$366United Airlines
Thu, Oct 1 - Thu, Oct 15
8:45 am - 1:06 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
14h 21m1 stop San Francisco
6:35 am - 7:15 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
26h 40m1 stop San Francisco
$366United Airlines
Thu, Oct 1 - Wed, Oct 14
8:45 am - 1:06 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
14h 21m1 stop San Francisco
5:48 pm - 7:15 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
15h 27m1 stop San Francisco
$366United Airlines
Wed, Sep 30 - Sat, Oct 17
2:48 pm - 12:32 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
7h 44m1 stop Panama City Tocumen Intl
2:25 am - 8:19 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 54m1 stop Panama City Tocumen Intl
$395Copa Airlines
Wed, Sep 30 - Fri, Oct 9
2:48 pm - 12:32 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
7h 44m1 stop Panama City Tocumen Intl
2:25 am - 8:19 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 54m1 stop Panama City Tocumen Intl
$409Copa Airlines
Thu, Oct 1 - Mon, Oct 5
2:57 pm - 6:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
26h 02m2 stops Miami Charlotte Douglas
6:15 am - 8:21 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
16h 06m2 stops Charlotte Douglas Miami
$588American Airlines
Fri, Oct 2 - Mon, Oct 5
2:57 pm - 2:18 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
21h 21m2 stops Miami Dallas/Fort Worth
5:01 am - 8:21 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
17h 20m2 stops Charlotte Douglas Miami
$588American Airlines
Recent direct flight deals from Costa Rica to Dulles Intl
Tue, Dec 22 - Fri, Jan 1
2:00 pm - 7:35 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
4h 35mnonstop
8:51 am - 12:50 pmIAD Washington, D.C. Dulles Intl-LIR Liberia
4h 59mnonstop
$380Multiple Airlines
Wed, Dec 23 - Thu, Dec 31
2:00 pm - 7:35 pmLIR Liberia-IAD Washington, D.C. Dulles Intl
4h 35mnonstop
8:51 am - 12:50 pmIAD Washington, D.C. Dulles Intl-LIR Liberia
4h 59mnonstop
$380Multiple Airlines
Sun, Dec 20 - Wed, Jan 13
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$382United Airlines
Fri, Dec 18 - Wed, Jan 13
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$382United Airlines
Mon, Dec 21 - Wed, Jan 13
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$382United Airlines
Tue, Feb 23 - Tue, Mar 9
4:15 pm - 1:05 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
7h 50mnonstop
2:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 05mnonstop
$386Avianca
Thu, Oct 22 - Mon, Oct 26
5:25 pm - 2:15 amSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 50mnonstop
3:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 05mnonstop
$386Avianca
Fri, Jan 22 - Sat, Jan 30
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$494Copa Airlines
Sat, Nov 21 - Sat, Dec 5
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$494Multiple Airlines
Sat, Dec 12 - Sat, Dec 26
2:15 pm - 7:59 pmSJO San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
8:59 am - 1:00 pmIAD Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
5h 01mnonstop
$1,887Copa Airlines
Booking Insights
KAYAK's insights & trends for flights to Dulles Intl
Get data-powered insights and trends for flights to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.
Prices
Airlines
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What is the cheapest flight to Washington Dulles Airport?
These are the best round-trip prices found by users searching on KAYAK in the last 5 days.In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Liberia, at $310 return. The most popular connection is from San José to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $362 in the last 5 days.
What is the cheapest day to fly to Washington, D.C.?
The average price of all round-trip flights to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Tuesday where round-trip tickets can be as cheap as $207. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $612 on average.
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Washington, D.C. Dulles Intl Airport, 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 to Washington, D.C. Dulles Intl Airport is February, where tickets cost $305 on average for return flights. On the other hand, the most expensive months are July and December, where the average cost of tickets from Costa Rica is $415 and $400 respectively. For one-way flights, the best month to travel is December with an average price of $184.
What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?
The average price for all round-trip flights to Washington, D.C. Dulles Intl Airport depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the evening, when round-trip flights cost $244 on average. The most expensive time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $449.
What is a good deal for flights to Washington, D.C. Dulles Intl Airport?
If you’re looking for cheap airfare to Washington, D.C. Dulles Intl Airport, 25% of our users found tickets to Washington, D.C. Dulles Intl Airport for the following prices or less: From San José $449 round-trip.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, D.C. Dulles Intl Airport, 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, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.
What are the most popular airlines flying to Washington, D.C. Dulles Intl Airport?
The most popular airline among KAYAK users flying to Washington, D.C. Dulles Intl Airport is Avianca, followed by United Airlines and Copa Airlines.
How long is the flight to Washington, D.C. Dulles Intl Airport?
The duration of your flight to Washington, D.C. depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Washington, D.C. on KAYAK are from Liberia, which takes 4h 35m, and San José, which takes 4h 44m.
How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?
There are around 945 direct flights from within Costa Rica to Washington, D.C. Dulles Intl Airport every day. Most flights depart in the morning, with 45% of flights departing in the morning.
Good to know
Low season | August |
|---|---|
High season | July |
Cheapest flight | $168 |
FAQs - booking Washington Dulles Airport flights
Top tips for finding cheap flights to Washington Dulles Airport
Traveling to a place near Dulles Intl?
Book flights to Dulles Intl if you plan to visit one of these locationsWinchester
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Martinsburg
Oxon Hill
Owings Mills
Charles Town
Greenbelt
Glen Burnie
Edgewood
Chesapeake Beach
Camp Springs
Ellicott City
Pikesville
Hunt Valley
Colonial Beach
Capitol Heights
More options for your flight to Dulles Intl
Complete your trip to Washington, D.C. with a hotel stay or car rental
Information on the airport you'll fly into in Washington, D.C.
Cabin class types available on flights to Dulles Intl
Cabin classes available on flights to Dulles Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights for Dulles Intl
Flights from domestic origins to Dulles Intl
Flights from all regions of Costa Rica to Dulles Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Choose which airport to fly into in Washington, D.C.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Popular routes to Dulles Intl
The most searched for flights to Dulles Intl from KAYAK users over the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.