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Cheap Flights from Washington Dulles (IAD) to Santiago (STI)

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Flight deals from Washington Dulles Airport to Santiago Airport

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Santiago Airport? If you want to travel next month, return fares start from £325. Find the lowest prices on one-way and return tickets right here.
Santiago.£325 per passenger.Departing Thu, 9 Apr, returning Mon, 13 Apr.Return flight with Allegiant Air and Spirit Airlines.Outbound indirect flight with Allegiant Air, departs from Washington Dulles on Thu, 9 Apr, arriving in Santiago.Inbound indirect flight with Spirit Airlines, departs from Santiago on Mon, 13 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £325, select.
Santiago.£338 per passenger.Departing Wed, 25 Mar, returning Tue, 31 Mar.Return flight with Frontier Airlines and Spirit Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 25 Mar, arriving in Santiago.Inbound indirect flight with Spirit Airlines, departs from Santiago on Tue, 31 Mar, arriving in Washington Dulles.Price includes taxes and charges.From £338, select.
Santiago.£348 per passenger.Departing Sat, 25 Apr, returning Sat, 2 May.Return flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Sat, 25 Apr, arriving in Santiago.Inbound indirect flight with Copa, departs from Santiago on Sat, 2 May, arriving in Washington Dulles.Price includes taxes and charges.From £348, select.
Santiago.£350 per passenger.Departing Thu, 3 Sep, returning Mon, 7 Sep.Return flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Thu, 3 Sep, arriving in Santiago.Inbound indirect flight with Copa, departs from Santiago on Mon, 7 Sep, arriving in Washington Dulles.Price includes taxes and charges.From £350, select.
Santiago.£511 per passenger.Departing Wed, 17 Jun, returning Fri, 3 Jul.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 17 Jun, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Fri, 3 Jul, arriving in Washington Dulles.Price includes taxes and charges.From £511, select.
Santiago.£535 per passenger.Departing Mon, 13 Jul, returning Tue, 21 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Mon, 13 Jul, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Tue, 21 Jul, arriving in Washington Dulles.Price includes taxes and charges.From £535, select.
Santiago.£562 per passenger.Departing Sat, 28 Mar, returning Mon, 6 Apr.Return flight with Frontier Airlines and Spirit Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 28 Mar, arriving in Santiago.Inbound indirect flight with Spirit Airlines, departs from Santiago on Mon, 6 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £562, select.
Santiago.£585 per passenger.Departing Fri, 21 Aug, returning Mon, 24 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Fri, 21 Aug, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Mon, 24 Aug, arriving in Washington Dulles.Price includes taxes and charges.From £585, select.
Santiago.£623 per passenger.Departing Thu, 18 Jun, returning Mon, 22 Jun.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Thu, 18 Jun, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Mon, 22 Jun, arriving in Washington Dulles.Price includes taxes and charges.From £623, select.
Santiago.£964 per passenger.Departing Fri, 1 Jan, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Fri, 1 Jan, arriving in Santiago.Inbound indirect flight with United, departs from Santiago on Mon, 4 Jan, arriving in Washington Dulles.Price includes taxes and charges.From £964, select.
Santiago.£993 per passenger.Departing Thu, 31 Dec, returning Mon, 4 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Thu, 31 Dec, arriving in Santiago.Inbound indirect flight with Delta, departs from Santiago on Mon, 4 Jan, arriving in Washington Dulles.Price includes taxes and charges.From £993, select.

Find the cheapest month to fly from Washington Dulles to Santiago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Santiago flights are currently cheapest in April.
Mar
from £338
Apr
from £325
May
Find prices
Jun
from £623
Jul
from £535
Aug
from £585
Sep
from £350
Oct
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Nov
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Dec
Find prices
Jan
from £964
Feb
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Washington Dulles to Santiago: Alternative routes

Compare routes from Washington Dulles to Santiago below. You may find an airport to fly into that's cheaper, faster, or easier than Santiago.

Santiago

1 mile from central Santiago
ClosestCheapest
from £325
Search flights

Puerto Plata

23 miles from central Santiago
from £368
Search flights

Washington D.C. to Santiago: Flight information

The things to know before you go.
Cheapest flight found£325
Cheapest month to flyApril

Check out these Santiago hotels

Ready to plan your stay? Other travellers rate these Santiago hotels for cleanliness, service and location.
Pool & Gym - 10min Aeropuerto y Homs - Dream Stay
3.79 miles from city centre
£570
Per night
Nohian Collection Hotels
1.16 miles from city centre
£150
Per night
Hotel Santiago, Curio Collection By Hilton
1.35 miles from city centre
£157
Per night
Pool & Gym - 10min Aeropuerto y Homs - Dream Stay
3.79 miles from city centre
£570
Per night
Nohian Collection Hotels
1.16 miles from city centre
£150
Per night
Hotel Santiago, Curio Collection By Hilton
1.35 miles from city centre
£157
Per night
Explore top-rated hotels

Finding cheap flights from Washington Dulles to Santiago: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Santiago is £325. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Santiago. But we found flights with one or more stops from £325.
As of March 2026, there are no flights flying from Washington Dulles to Santiago.
The cheapest month to fly from Washington Dulles to Santiago is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Santiago Airport on Thursday, 9 April 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Santiago Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santiago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santiago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Santiago.

Flying from Washington Dulles International Airport (IAD) to Cibao International Airport (STI): what you need to know

  • Santiago's timezone is UTC-4, which is the same as Washington DC.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Make sure you're at the airport on time to board your IAD to STI flight.

  • Travelling during a peak time such as April? Public holidays and other popular periods can mean longer lines and delays at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from Washington Dulles International Airport to Cibao International Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between IAD and STI:

    • Fort Lauderdale-Hollywood International Airport

    • Newark Liberty International Airport

    • John F. Kennedy International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Cibao International Airport (STI)

  • The lowest price we've seen for a one-way Washington Dulles International Airport to Cibao International Airport flight is £172. A round-trip plane ticket is currently £325. Depending on the availability and when you book, these fares can change.

  • It's often best to book early if you're looking for cheap tickets from IAD to STI. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Washington Dulles International Airport to Cibao International Airport throughout the entire month. It's a great way to find a bargain if your trip dates aren't set in stone.

  • Picking up cheap flights from IAD to STI is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new discounted fare appears.

  • Pick your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Washington Dulles International Airport to Cibao International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • IAD is located at 1 Saarinen Circle.

  • When it comes to Washington Dulles International Airport's on-time performance, data shows 74.39% of flights complete their journey on time.

  • Washington Dulles International Airport is around 35 miles from central Washington DC. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 50 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of about 3 hours 25 minutes on public transport.

  • Searching for a handy hotel near IAD? If you're boarding an early flight from Washington Dulles International Airport to Cibao International Airport, these stays will have you moments from your departure gate:

Arriving at Cibao International Airport (STI)

  • Consider booking a hotel near STI if you're catching a late Washington Dulles International Airport to Cibao International Airport flight. Choose one of these options and avoid the hassle of a long transfer:

  • Grab a Cibao International Airport rental car and discover Santiago and beyond with your own wheels. America, Zezgo Rent a Car and Alamo are top providers you can book with here.

  • Reserving your ride from Cibao International Airport about one week in advance boosts your odds of scoring a great price.

Getting from Cibao International Airport (STI) to central Santiago

  • Cibao International Airport is approximately 12 miles from central Santiago. The drive time takes about 30 minutes.

  • Getting there by public transport typically takes 1 hour 10 minutes.

When to fly to Cibao International Airport (STI)

  • It's time to plan your travel dates for your flight from Washington Dulles International Airport to Cibao International Airport. August is the busiest month to head to Santiago. If you'd like a quieter vibe, go in May.

  • The warmest month in Santiago is August, with temperatures ranging between 21ºC (70ºF) and 33ºC (91ºF). Book your flights from Washington Dulles International Airport to Cibao International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 16ºC (61ºF) and 29ºC (84ºF). Look for cheap tickets from IAD to STI sometime around then if you like cooler conditions.

Explore more of Dominican Republic

  • You've done Santiago, now it's time to explore other corners of Dominican Republic. Travel about 85 miles south-east to Santo Domingo to tick off its popular sights. From Alcazar de Colon to National Pantheon (Pantheon Nacional) and National Palace, you've got a jam-packed schedule ahead.

  • If you're looking to explore another corner of Dominican Republic, head for Santo Domingo Este, about 90 miles south-east of Santiago. Museo Las Tres Aves, billeteros Park and Abuela Mota Final Resting Place are key highlights.

Plan the rest of your trip from Washington D.C. to Santiago

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.