Dulles to St Louis (IAD–SUS) — Airlines, Schedules & Connections

IAD Airport Page →
710 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Flight Schedule Charter / private Verified 5d ago
Charter / private route. No scheduled airline service — operated by NetJets Aviation.
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 More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to St Louis
Flown by charter / private operators — no scheduled airline service.
710 mi 1h 45m nonstop -1h behind

IAD–SUS has no scheduled airline service; it is flown by charter / private operators.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → SUS
90%
Generally reliable. Most flights run on time.
Departing
90%
Return
SUS → IAD
96%
Generally reliable. Most flights run on time.
Arriving
96%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Other ways to reach St Louis from Dulles

Nearby airports with service to Spirit of St Louis Airport.
Metric IAD→SUS BWI→SUS
Distance from IAD 45 mi
Nonstop airlines 1
Weekly flights ~1
Flight time 1h 45m 1h 55m
Departure OTP 90%
Airports within 200 miles of IAD with service to Spirit of St Louis Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Dulles.
IAD: EDT · SUS: CDT

When it's 6:00 PM in Dulles, it's 5:00 PM in St Louis.
Distance & Flight Time
710 mi / 1,143 km
Nonstop flight time is approximately 1h 45m gate to gate.
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–SUS Quick Facts

Key statistics for the Dulles to St Louis route.
Route details
Distance710 mi / 1,143 km
Flight time1h 45m
Time difference-1 hour
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~1 return
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: SUS
IATA / ICAOSUS / KSUS
TimezoneAmerica/Chicago
Elevation463 ft / 141 m

Frequently Asked Questions

Common questions about IAD to SUS flights.
Nonstop flights from Washington Dulles International Airport to Spirit of St Louis Airport take about 1h 45m gate to gate. The route covers 710 miles.
St Louis is 1 hour behind Dulles.
Yes, return flights from SUS to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BWI. See the Alternatives section for a full comparison.
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.

Flights from IAD to SUS

Washington Dulles International Airport (IAD) and Spirit of St Louis Airport (SUS) are connected through multiple connecting hub airports.

IAD to SUS Flight Duration and Schedule

Nonstop flight time from IAD to SUS is about 1 hours 45 minutes gate to gate. The route covers a distance of 710 miles (1,143 km).

Connecting Options and Alternatives

Nearby alternative airports include Baltimore (BWI).