Dulles to Santiago (IAD–STI) — Airlines, Schedules & Connections

IAD Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 11 1-stop flights
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
MIA Miami 5h 24m CMLXJUA AA Miami (MIA) to Santiago flights
JFK New York 6h 16m AFAMCI B6DLQR New York (JFK) to Santiago flights
FLL Fort Lauderdale 6h 28m CMF9UA B6 Fort Lauderdale (FLL) to Santiago flights
EWR Newark 6h 40m AVAZEJA B6UA Newark (EWR) to Santiago flights
BOS Boston 8h 38m AVAZCM B6 Boston (BOS) to Santiago flights
SJU San Juan 8h 58m ACUA B6M6 San Juan (SJU) to Santiago flights
MCO Orlando 10h 20m ADAVAZ B6 Orlando (MCO) to Santiago flights
PTY Tocumen 12h 24m CMUA CM Tocumen (PTY) to Santiago flights
PHL Philadelphia 15h 1m ACAVCM AA Philadelphia (PHL) to Santiago flights
MAD Madrid 22h 47m ACAYEI UX Madrid (MAD) to Santiago flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Santiago
Connecting service available through multiple hubs.

While no nonstop service exists between IAD and STI, 1-stop connecting options are available.

Connection Landscape

1-stop and 2-stop options for IAD to STI.
1-STOP
One-Stop Connections
11
Hubs
~5h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
726
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → STI
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Return
STI → IAD
80%
Generally reliable. Most flights run on time.
Arriving
80%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Travel Essentials

Practical planning for this route.
Time Difference
0h
Santiago is 0 hours the same as Dulles.
IAD: EDT · STI: AST

When it's 6:00 PM in Dulles, it's 6:00 PM in Santiago.
Visa & Entry

US passport holders enter the Dominican Republic visa-free for stays up to 30 days. A tourist card is included in the airline ticket price, so no separate purchase is needed. Passport must be valid for the duration of the stay. Extensions can be obtained at the migration office. Overstaying results in a fee calculated by length of the overstay, payable at the airport on departure.

Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–STI Quick Facts

Key statistics for the Dulles to Santiago route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: STI
IATA / ICAOSTI / MDST
TimezoneAmerica/Santo_Domingo
Passengers/yr2.2M
Elevation565 ft / 172 m

Frequently Asked Questions

Common questions about IAD to STI flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Miami, John F. Kennedy and Fort Lauderdale Hollywood.
On a single ticket, yes. Your bags are checked through to STI and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Yes, return flights from STI to IAD are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Miami, John F. Kennedy and Fort Lauderdale Hollywood. Two-stop connections are also available via intermediate hubs.