Dulles to St Augustine (IAD–UST) — Airlines, Schedules & Connections

IAD Airport Page →
659 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 36 1-stop flights Verified 1w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

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 Augustine
Connecting service available through multiple hubs.
1 Flights/wk 659 mi 1h 32m nonstop 36 1-stop hubs

While no nonstop service exists between IAD and UST, connecting options are available through 36 hubs.

Also explore IAD Routes UST Routes IAD Live Flights UST Live Flights IAD Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to UST.
1-STOP
One-Stop Connections
36
Hubs
~3h
Fastest
~10h
Longest
Verified with published schedule alignment and minimum connection time.
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.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
St Augustine is 0 hours the same as Dulles.
IAD: EDT · UST: EDT

When it's 6:00 PM in Dulles, it's 6:00 PM in St Augustine.
Distance & Flight Time
659 mi / 1,060 km
Nonstop flight time is approximately 1h 32m.
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).

Facts

IAD–UST Quick Facts

Key statistics for the Dulles to St Augustine route.
Route details
Distance659 mi / 1,060 km
Flight time1h 32m
Time difference0 hours
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections36 hubs
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: UST
Full nameNortheast Florida Regional Airport
IATA / ICAOUST / KSGJ
TimezoneAmerica/New_York
Elevation10 ft / 3 m
FAQ

Frequently Asked Questions

Common questions about IAD to UST flights.
Nonstop flights from Washington Dulles International Airport to Northeast Florida Regional Airport take approximately 1h 32m. The route covers 659 miles.
There are approximately 1 nonstop flights per week from IAD to UST. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through GSO, JAX, MLB, SRQ, NAS, PBI, PHL, SEF, RDU, MCO, CMH, MHH, BHM, TPA, ATL, FXE, CLE, RSW, MDW, FLL, ECP, MIA, JFK, VRB, MEM, EWR, MKC, ORD, MSY, PLS, GCM, JAC, SLC, PHX, SJC and SNA. These options provide additional schedule flexibility.
Yes, return flights from UST 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.

Flights from IAD to UST

Washington Dulles International Airport (IAD) and Northeast Florida Regional Airport (UST) are connected through multiple connecting hub airports.

IAD to UST Flight Duration and Schedule

Nonstop flight time from IAD to UST ranges from 1 hours 32 minutes. The route covers a distance of 659 miles (1,060 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

36 one-stop connections are available, with the fastest taking approximately 3 hours via GSO.