DCA - STI

$183 Find Cheap Flights from Reagan Washington National Airport to Santiago de los Caballeros - 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 from Reagan-National to Santiago de los Caballeros departing on 9/14. 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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Everything you should know

Cheapest round-trip
$423
Typical prices: $509-$689
American Airlines
Sat 10/3Tue 10/13
DCA - STI • 1 stop
Cheapest one-way
$183
Typical prices: $181-$296
United Airlines
Mon 9/14
DCA - STI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Reagan-National and Santiago de los Caballeros. You'll need at least 1 connection.
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Top layover airports
Boston (BOS)
Cheapest • Avg $403 (round-trip)
Newark (EWR)
Shortest trip • 6h 55m (one-way)
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When to book
8 weeks
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 36% compared to booking last minute.
Insights
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When to travel
January
Cheapest • 20% price drop
October
Most popular
Good to know
Good to know
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+1
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We hope you love your trip to Santiago de los Caballeros!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Reagan-National to Santiago de los Caballeros (DCA-STI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Santiago de los Caballeros 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 Santiago de los Caballeros

Sat, Oct 3 - Tue, Oct 13
American Airlines Logo
8:20 am - 2:15 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
5h 55m1 stop Miami
American Airlines Logo
3:16 pm - 10:28 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 12m1 stop Miami
$423American Airlines
Fri, Oct 2 - Mon, Oct 12
American Airlines Logo
8:20 am - 2:15 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
5h 55m1 stop Miami
American Airlines Logo
3:16 pm - 10:28 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 12m1 stop Miami
$423American Airlines
Fri, Aug 28 - Wed, Sep 2
American Airlines Logo
6:00 am - 9:07 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
15h 07m1 stop Miami
American Airlines Logo
7:00 am - 2:46 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 46m1 stop Miami
$423American Airlines
Sat, Nov 7 - Wed, Nov 11
JetBlue Logo
6:00 am - 3:33 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
8h 33m1 stop Fort Lauderdale
JetBlue Logo
4:43 pm - 11:34 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 51m1 stop Fort Lauderdale
$437JetBlue
Wed, Nov 4 - Sat, Nov 14
JetBlue Logo
6:00 am - 3:33 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
8h 33m1 stop Fort Lauderdale
JetBlue Logo
4:43 pm - 11:34 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 51m1 stop Fort Lauderdale
$437JetBlue
Sat, Oct 17 - Sat, Oct 31
JetBlue Logo
7:59 am - 2:45 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
6h 46m1 stop Fort Lauderdale
JetBlue Logo
10:01 am - 5:30 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 29m1 stop Orlando
$441JetBlue
Sun, Nov 8 - Sun, Nov 22
United Airlines Logo
9:05 am - 11:51 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
13h 46m1 stop Newark
United Airlines Logo
6:00 am - 12:29 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
7h 29m1 stop Newark
$488United Airlines
Sat, Oct 17 - Mon, Oct 26
Delta Logo
6:08 am - 5:33 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
11h 25m1 stop New York John F Kennedy Intl
Delta Logo
7:05 pm - 10:09 amSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
15h 04m1 stop New York John F Kennedy Intl
$590Delta
Sat, Oct 17 - Mon, Oct 26
United Airlines Logo
6:00 am - 3:12 pmDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
9h 12m1 stop Newark
United Airlines Logo
5:00 am - 3:28 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
10h 28m1 stop Newark
$855United Airlines
Sun, Aug 16 - Tue, Aug 18
Delta Logo
1:30 pm - 1:55 amDCA  Washington, D.C. Reagan-National-STI Santiago de los Caballeros
12h 25m1 stop New York LaGuardia
Delta Logo
6:00 am - 10:58 pmSTI  Santiago de los Caballeros-DCA Washington, D.C. Reagan-National
16h 58m1 stop New York John F Kennedy Intl
$940Delta
Booking Insights

KAYAK's insights & trends for Reagan-National to Santiago de los Caballeros flights

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

How much is a round-trip flight from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros departing in August.

Flight prices are below average for this route right now.

Flights to Santiago de los Caballeros from Washington, D.C. Reagan-National Airport usually cost between $543 and $650 in August.
The lowest price found in the past 5 days was $423 on American Airlines (Aug 28-Sep 2).

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros?

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 Santiago de los Caballeros, 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 Santiago de los Caballeros is January, where tickets cost $467 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $749 and $667 respectively.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros?

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 Santiago de los Caballeros, 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 Santiago de los Caballeros, you should book around 8 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Find deals

Good to know

Low season

January

Cheapest flight

$183
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Reagan Washington National Airport to Santiago de los Caballeros

When to book flights from Reagan-National to Santiago de los Caballeros

Are your dates flexible? Find out the best times to travel from Reagan-National to Santiago de los Caballeros based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to Santiago de los Caballeros flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros?

    In the last 5 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Santiago de los Caballeros was $183 for a one-way ticket and $423 for a round-trip.

  • Do I need a passport to fly between Reagan Washington National Airport and Santiago de los Caballeros?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Reagan Washington National Airport and on arrival in Santiago de los Caballeros.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to Santiago de los Caballeros?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Reagan Washington National Airport to Santiago de los Caballeros?

    Star Alliance, and oneworld are the airline alliances operating flights between Reagan Washington National Airport and Santiago de los Caballeros, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Santiago de los Caballeros, United Airlines or JetBlue?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Santiago de los Caballeros are United Airlines and JetBlue. With an average price for the route of $739 and an overall rating of 7.4, United Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of $556 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Santiago de los Caballeros?

    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 Santiago de los Caballeros.

  • 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 Santiago de los Caballeros?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santiago de los Caballeros from Reagan Washington National Airport 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 Santiago de los Caballeros?

    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 to Santiago de los Caballeros with an airline and back to Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and STI can sometimes prove cheaper using this method.

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

    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 to Santiago de los Caballeros from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Reagan-National to Santiago de los Caballeros

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)
Santiago de los Caballeros (STI)