Cheap flights from Dulles Intl (IAD) to Santiago de los Caballeros (STI) from $205

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. 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.
IAD — STI
Apr 23 — Apr 301

Cheap flight deals from Dulles Intl to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 18, 2024.

Popular in

July

Cheapest in

September

Round-trip from

$332

One-way from

$252
High demand for flights, 46% potential price rise
Best time to find cheap flights, 38% potential price drop
From Washington, D.C. Dulles Intl to Santiago de los Caballeros
One-way flight from Washington, D.C. Dulles Intl to Santiago de los Caballeros

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Saturday flights are generally found to be more expensive for flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santiago de los Caballeros.

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

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros, book at least 42 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $541 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $738.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros in September, with the cheapest ticket starting at $379.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros (IAD - STI)?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

Cheap American Airlines flights from Dulles Intl to Santiago de los Caballeros

Explore cheap flight options specifically provided by American Airlines for the route between Dulles Intl and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
Take a peek at the cheapest American Airlines flights we've detected traveling from Washington, D.C. to Santiago de los Caballeros. Make sure to double check the flight details before booking.
Wed 5/15:04 amIAD - STI
2 stops10h 31mAmerican Airlines
Wed 5/81:25 pmSTI - IAD
2 stops19h 29mAmerican Airlines
Deal found 4/17$458
Sat 4/275:04 amIAD - STI
2 stops7h 46mAmerican Airlines
Tue 5/141:25 pmSTI - IAD
2 stops10h 36mAmerican Airlines
Deal found 4/17$476
Thu 4/258:12 pmIAD - STI
2 stops16h 38mAmerican Airlines
Tue 4/304:35 pmSTI - IAD
2 stops22h 29mAmerican Airlines
Deal found 4/17$513
Tue 7/29:15 amIAD - STI
2 stops28h 19mAmerican Airlines
Tue 7/91:40 pmSTI - IAD
2 stops19h 05mAmerican Airlines
Deal found 4/17$550
Fri 9/135:31 pmIAD - STI
2 stops18h 51mAmerican Airlines
Tue 9/241:41 pmSTI - IAD
2 stops18h 55mAmerican Airlines
Deal found 4/17$552
Sat 5/258:12 pmIAD - STI
2 stops40h 13mAmerican Airlines
Fri 5/315:10 pmSTI - IAD
2 stops26h 32mAmerican Airlines
Deal found 4/17$570
Sat 9/72:05 pmIAD - STI
2 stops22h 17mAmerican Airlines
Sun 9/151:41 pmSTI - IAD
2 stops18h 55mAmerican Airlines
Deal found 4/17$660
Tue 5/78:12 pmIAD - STI
2 stops16h 13mAmerican Airlines
Sat 5/114:39 pmSTI - IAD
2 stops18h 36mAmerican Airlines
Deal found 4/16$669
Tue 6/185:43 pmIAD - STI
2 stops19h 51mAmerican Airlines
Tue 9/31:41 pmSTI - IAD
2 stops18h 55mAmerican Airlines
Deal found 4/17$763

Cheap Copa Airlines flights from Dulles Intl to Santiago de los Caballeros

Explore cheap flight options specifically provided by Copa Airlines for the route between Dulles Intl and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
Take a gander at the lowest prices we've found on Copa Airlines flights from Washington, D.C. to Santiago de los Caballeros. Make sure to examine the flight information before completing your reservation.
Fri 6/74:34 pmIAD - STI
1 stop22h 26mCopa Airlines
Tue 6/113:55 pmSTI - IAD
1 stop23h 15mCopa Airlines
Deal found 4/16$459
Wed 7/242:36 amIAD - STI
1 stop12h 24mCopa Airlines
Sat 8/33:56 pmSTI - IAD
1 stop8h 35mCopa Airlines
Deal found 4/17$461
Mon 5/62:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/16$473
Fri 5/32:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/17$481
Fri 7/262:36 amIAD - STI
1 stop12h 24mCopa Airlines
Sat 8/33:56 pmSTI - IAD
1 stop8h 35mCopa Airlines
Deal found 4/17$499
Mon 9/92:39 amIAD - STI
1 stop12h 19mCopa Airlines
Tue 9/173:56 pmSTI - IAD
1 stop8h 37mCopa Airlines
Deal found 4/17$502
Mon 7/12:36 amIAD - STI
1 stop12h 24mCopa Airlines
Tue 7/93:55 pmSTI - IAD
1 stop8h 36mCopa Airlines
Deal found 4/17$519
Fri 4/264:31 pmIAD - STI
1 stop22h 23mCopa Airlines
Tue 4/303:50 pmSTI - IAD
1 stop12h 30mCopa Airlines
Deal found 4/17$535
Wed 9/252:39 amIAD - STI
1 stop12h 19mCopa Airlines
Tue 10/13:58 pmSTI - IAD
1 stop8h 35mCopa Airlines
Deal found 4/17$575

Cheap Dulles Intl to Santiago de los Caballeros flights in April & May 2024

Find cheap flight options from Dulles Intl to Santiago de los Caballeros specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,185,007 searches. Prices were last updated on April 18, 2024.
These are some of the best deals we've found on flights to Santiago de los Caballeros in 2024 at this time. Check back in a little while for more flight options.
Wed 5/1512:35 pmIAD - STI
1 stop12h 21mDelta
Wed 5/226:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/17$435
Tue 5/712:35 pmIAD - STI
1 stop12h 21mDelta
Sat 5/116:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/16$437
Wed 5/112:21 pmIAD - STI
1 stop10h 32mDelta
Wed 5/86:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/17$456
Wed 5/15:04 amIAD - STI
2 stops10h 31mAmerican Airlines
Wed 5/81:25 pmSTI - IAD
2 stops19h 29mAmerican Airlines
Deal found 4/17$458
Mon 5/62:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/16$473
Sat 4/275:04 amIAD - STI
2 stops7h 46mAmerican Airlines
Tue 5/141:25 pmSTI - IAD
2 stops10h 36mAmerican Airlines
Deal found 4/17$476
Fri 5/32:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/17$481
Thu 4/258:12 pmIAD - STI
2 stops16h 38mAmerican Airlines
Tue 4/304:35 pmSTI - IAD
2 stops22h 29mAmerican Airlines
Deal found 4/17$513
Mon 5/62:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/17$531

Dulles Intl to Santiago de los Caballeros 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Santiago de los Caballeros in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
These are some of the best deals we've found on flights to Santiago de los Caballeros in 2024 at this time. Check back in a little while for more flight options.
Thu 9/266:03 amIAD - STI
1 stop6h 54mUnited Airlines
Tue 10/12:07 pmSTI - IAD
1 stop8h 13mUnited Airlines
Deal found 4/17$435
Tue 5/712:35 pmIAD - STI
1 stop12h 21mDelta
Sat 5/116:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/16$437
Wed 5/112:21 pmIAD - STI
1 stop10h 32mDelta
Wed 5/86:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/17$456
Wed 5/15:04 amIAD - STI
2 stops10h 31mAmerican Airlines
Wed 5/81:25 pmSTI - IAD
2 stops19h 29mAmerican Airlines
Deal found 4/17$458
Fri 6/74:34 pmIAD - STI
1 stop22h 26mCopa Airlines
Tue 6/113:55 pmSTI - IAD
1 stop23h 15mCopa Airlines
Deal found 4/16$459
Wed 7/242:36 amIAD - STI
1 stop12h 24mCopa Airlines
Sat 8/33:56 pmSTI - IAD
1 stop8h 35mCopa Airlines
Deal found 4/17$461
Wed 7/242:36 amIAD - STI
1 stop12h 24mCopa Airlines
Sat 8/33:56 pmSTI - IAD
1 stop12h 24mCopa Airlines
Deal found 4/18$471
Mon 5/62:35 amIAD - STI
1 stop12h 20mCopa Airlines
Sat 5/113:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/16$473
Sat 4/275:04 amIAD - STI
2 stops7h 46mAmerican Airlines
Tue 5/141:25 pmSTI - IAD
2 stops10h 36mAmerican Airlines
Deal found 4/17$476

Dulles Intl to Santiago de los Caballeros flights leaving soon

Find last-minute flight options from Dulles Intl to Santiago de los Caballeros for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
Check out these flights departing soon from Washington, D.C. to Santiago de los Caballeros. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 4/275:04 amIAD - STI
2 stops7h 46mAmerican Airlines
Tue 5/141:25 pmSTI - IAD
2 stops10h 36mAmerican Airlines
Deal found 4/17$476
Thu 4/258:12 pmIAD - STI
2 stops16h 38mAmerican Airlines
Tue 4/304:35 pmSTI - IAD
2 stops22h 29mAmerican Airlines
Deal found 4/17$513
Fri 4/264:31 pmIAD - STI
1 stop22h 23mCopa Airlines
Tue 4/303:50 pmSTI - IAD
1 stop12h 30mCopa Airlines
Deal found 4/17$535
Wed 4/242:35 amIAD - STI
1 stop12h 19mCopa Airlines
Tue 4/303:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/17$599
Sat 4/2712:21 pmIAD - STI
1 stop10h 53mDelta
Tue 5/146:15 amSTI - IAD
1 stop11h 06mDelta
Deal found 4/17$630
Wed 4/242:35 amIAD - STI
1 stop12h 19mCopa Airlines
Tue 4/303:50 pmSTI - IAD
1 stop8h 41mCopa Airlines
Deal found 4/17$635
Thu 4/2512:21 pmIAD - STI
1 stop10h 32mDelta
Tue 4/307:05 pmSTI - IAD
1 stop21h 58mDelta
Deal found 4/17$637
Fri 4/262:00 pmIAD - STI
2 stops35h 47mMultiple Airlines
Tue 4/303:50 pmSTI - IAD
1 stop8h 41mMultiple Airlines
Deal found 4/17$713
Thu 4/252:35 amIAD - STI
2 stops23h 12mMultiple Airlines
Tue 4/303:50 pmSTI - IAD
1 stop8h 41mMultiple Airlines
Deal found 4/17$879

One-way flights to Santiago de los Caballeros from Dulles Intl

Search for one-way flight options from Dulles Intl to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
Users traveling one-way from Washington, D.C. to Santiago de los Caballeros can select one of these great deals. For those needing a return trip from Washington, D.C., there is a search form available above.
Wed 5/81:00 pmIAD - STI
3 stops12h 59mMultiple Airlines
Deal found 4/17$205
Wed 5/84:59 pmIAD - STI
1 stop7h 57mDelta
Deal found 4/17$207
Sat 5/118:12 pmIAD - STI
2 stops19h 58mAmerican Airlines
Deal found 4/17$211
Sun 5/125:02 amIAD - STI
2 stops7h 23mAmerican Airlines
Deal found 4/17$225
Sun 6/25:02 amIAD - STI
2 stops11h 08mAmerican Airlines
Deal found 4/17$229
Sat 4/275:04 amIAD - STI
2 stops7h 46mAmerican Airlines
Deal found 4/17$248
Sun 6/26:14 amIAD - STI
1 stop6h 43mUnited Airlines
Deal found 4/17$252
Wed 6/122:35 amIAD - STI
1 stop12h 25mCopa Airlines
Deal found 4/17$253
Fri 6/1412:55 pmIAD - STI
3 stops37h 07mMultiple Airlines
Deal found 4/17$258

Find flights from Dulles Intl to Santiago de los Caballeros within your budget

Customize your flight search to find flights from Dulles Intl to Santiago de los Caballeros that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$435 - $1,046

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Thu 9/26

1 stop6h 54m

Santiago de los Caballeros

Tue 10/1

1 stop8h 13m

$435

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Tue 5/7

1 stop12h 21m

Santiago de los Caballeros

Sat 5/11

1 stop11h 06m

$437

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 5/1

1 stop10h 32m

Santiago de los Caballeros

Wed 5/8

1 stop11h 06m

$456

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 5/1

2 stops10h 31m

Santiago de los Caballeros

Wed 5/8

2 stops19h 29m

$458

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Fri 6/7

1 stop22h 26m

Santiago de los Caballeros

Tue 6/11

1 stop23h 15m

$459

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Wed 7/24

1 stop12h 24m

Santiago de los Caballeros

Sat 8/3

1 stop8h 35m

$461

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Mon 5/6

1 stop12h 20m

Santiago de los Caballeros

Sat 5/11

1 stop8h 41m

$473

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Sat 4/27

2 stops7h 46m

Santiago de los Caballeros

Tue 5/14

2 stops10h 36m

$476

Washington, D.C. Dulles IntlSantiago de los Caballeros

IAD - STI

IADSTI

Washington, D.C. Dulles Intl

Mon 7/1

3 stops15h 25m

Santiago de los Caballeros

Fri 7/19

3 stops33h 58m

$1,046

Flights are sorted by cheapest first

Deals found on 4/17

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Santiago de los Caballeros. Price data was last updated on January 28, 2024.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Santiago de los Caballeros. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Santiago de los Caballeros by month

Plan your trip from Dulles Intl to Santiago de los Caballeros by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Santiago de los Caballeros is currently $232 while a round-trip flight costs $522. Price data was last updated on April 14, 2024.

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros (average of $332). Flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros in July is currently the most expensive (average of $562). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$342

February

$352

March

$374

April

$390

May

$368

June

$417

July

$562

August

$452

September

$332

October

$347

November

$392

December

$413

Temperature and rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature and rainfall totals by month.

STI

Temperature

73.4 - 80.6 °F

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de los Caballeros. Reviews last updated April 18, 2024.
See what other customers who have flown with American Airlines, Copa Airlines and Delta from Washington, D.C. to Santiago de los Caballeros have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,104 reviews

Food

7.5

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.1
Very good
11,104 reviews
8.1
Very good
11,104 reviews

Food

7.5

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.0
Very good
2,949 reviews
8.1
Very good
11,104 reviews

Food

7.5

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.4
Good
11,346 reviews
8.1
Very good
11,104 reviews

Food

7.5

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.3
Good
14,963 reviews
8.1
Very good
11,104 reviews

Food

7.5

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Santiago de los Caballeros from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Santiago de los Caballeros, you will be flying into Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city. Santiago is the only Santiago de los Caballeros airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Santiago de los Caballeros from Washington, D.C. Dulles Intl on a regular basis.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $500. The cheapest flight booked recently is on United Airlines for just $435, but on average you can expect to pay $504.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros for under $500?

    There are currently 11+ open flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros round-trip from $435. Other airlines that can offer you cheap pricing are Delta, from $437, and American Airlines, from $458. United Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros one-way?

    One-way options have recently been found by users for as low as $207 on Delta. Other airlines that offer cheap prices include American Airlines from $211 and United Airlines from $252 one-way.

  • What does IAD to STI mean?

    Washington, D.C. Dulles Intl Airport is IAD and Santiago de los Caballeros Airport is STI. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Dulles Intl to Santiago de los Caballeros that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Santiago de los Caballeros flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Santiago de los Caballeros with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Santiago de los Caballeros flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Santiago de los Caballeros.

  • Can I find deals for business class flights from Dulles Intl to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Dulles Intl to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to Santiago de los Caballeros that allow pets onboard?

    Many airlines flying from Dulles Intl to Santiago de los Caballeros offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Santiago de los Caballeros?

    Yes, you can often find last-minute deals on Dulles Intl to Santiago de los Caballeros flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros flight deals you see on this page were last updated on 4/18.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Dulles Intl to Santiago de los Caballeros

Discover the top 2 airlines that operate flights from Dulles Intl to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,185,007 searches. Data last updated April 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$394Average$661FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$396Average$576FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Dulles Intl to Santiago de los Caballeros by cabin class

Find flights from Dulles Intl to Santiago de los Caballeros, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Santiago de los Caballeros?

Cheapflights helps you search for flights from Dulles Intl to Santiago de los Caballeros via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Santiago de los Caballeros?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Santiago de los Caballeros from Dulles Intl.

Can Cheapflights find flights from Dulles Intl to Santiago de los Caballeros with no change fees?

Need flexible booking options for your flight to Santiago de los Caballeros from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Santiago de los Caballeros become cheaper?

Of course! You can now track prices for flights from Dulles Intl to Santiago de los Caballeros and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.