STI - IAD

$224 Find Cheap Flights from Santiago de los Caballeros to Washington Dulles Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$451
Typical prices: $662-$777
Delta
Tue 11/20Thu 1/11
STI - IAD • 1 stop
Cheapest one-way
$224
Typical prices: $455-$555
Delta
Tue 12/11
STI - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Santiago de los Caballeros and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
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Top layover airports
New York John F Kennedy Intl (JFK)
Cheapest • Avg $670 (round-trip)
Newark (EWR)
Shortest trip • 7h 16m (one-way)
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Flight Deals

Cheap Flights from Santiago de los Caballeros to Dulles Intl (STI-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Santiago de los Caballeros to Dulles Intl

Fri, Nov 20 - Mon, Jan 11
Delta Logo
9:25 pm - 11:52 amSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
15h 27m1 stop New York John F Kennedy Intl
Delta Logo
12:00 pm - 12:53 amIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
11h 53m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$451Delta
Thu, Nov 19 - Tue, Jan 12
United Airlines Logo
6:00 am - 10:25 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
17h 25m1 stop Newark
United Airlines Logo
12:35 pm - 11:51 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
10h 16m1 stop Newark
$462United Airlines
Wed, Nov 18 - Tue, Jan 12
United Airlines Logo
4:00 pm - 7:20 amSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
16h 20m1 stop Newark
United Airlines Logo
12:35 pm - 11:51 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
10h 16m1 stop Newark
$462United Airlines
Tue, Nov 24 - Tue, Jan 12
United Airlines Logo
6:00 am - 10:25 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
17h 25m1 stop Newark
United Airlines Logo
12:35 pm - 11:51 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
10h 16m1 stop Newark
$462United Airlines
Thu, Feb 4 - Sun, Feb 7
United Airlines Logo
6:00 am - 9:20 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
16h 20m1 stop Newark
United Airlines Logo
8:37 am - 11:51 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
14h 14m1 stop Newark
$470United Airlines
Tue, Jan 19 - Tue, Jan 26
American Airlines Logo
4:40 pm - 10:04 amSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
18h 24m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
4:13 pm - 1:22 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
20h 09m2 stops Charlotte Douglas Miami
$478American Airlines
Fri, Nov 20 - Mon, Jan 11
Delta Logo
7:00 am - 9:30 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
15h 30m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 12:53 amIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
11h 53m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$497Delta
Sat, Nov 21 - Tue, Jan 12
Delta Logo
9:25 pm - 11:52 amSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
15h 27m1 stop New York John F Kennedy Intl
Delta Logo
12:00 pm - 12:53 amIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
11h 53m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$534Delta
Thu, Feb 4 - Sun, Feb 7
United Airlines Logo
6:00 am - 4:29 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
11h 29m1 stop Newark
United Airlines Logo
8:37 am - 11:51 pmIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
14h 14m1 stop Newark
$542United Airlines
Wed, Dec 23 - Tue, Jan 5
United Airlines Logo
6:00 am - 11:21 pmSTI  Santiago de los Caballeros-IAD Washington, D.C. Dulles Intl
18h 21m1 stop Newark
United Airlines Logo
12:35 pm - 11:49 amIAD  Washington, D.C. Dulles Intl-STI Santiago de los Caballeros
22h 14m1 stop Newark
$548United Airlines
Booking Insights

Price, demand and travel trends for Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport typically range from $662 to $777. The lowest price found in the past 5 days was $451, on Delta.

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Key details for Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport flights

Cheapest flight

$224
One-way flight from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport

When to book flights from Santiago de los Caballeros to Dulles Intl

Are your dates flexible? Find out the best times to travel from Santiago de los Caballeros to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport.

  • How long is a flight from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport takes 00m, covering 1,410 miles.

  • Do I need a passport to fly from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport range from $662 to $777, with an average of $670 over the past 12 months. Anything below $662 counts as a good deal.

  • How are flight prices from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $230, which is 53% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    Flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport usually depart from Santiago de los Caballeros (STI) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport pass through?

    Connecting flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport most commonly pass through:

    • Newark (EWR) - 83% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 17% of one-stop connections

  • Can I save money by using flexible dates for flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 16% on flights from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at $670 round-trip on average, while Thursday is the most expensive at $794, a difference of $124.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 7h 16m, compared with 10h 02m via New York John F Kennedy Intl (JFK).

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Santiago de los Caballeros to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $670, about $124 less than Thursday fares (16% savings) based on the last 12 months.

More options for your flight from Santiago de los Caballeros to Dulles Intl

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