Dulles to Dubuque (IAD–DBQ) — Airlines, Schedules & Connections

IAD Airport Page →
734 mi airlines charter/private
On-time Some delays Frequent delays
Flight Schedule No service Verified 1mo ago
Also flown by charter / private operators.
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.

Last scheduled nonstop: May 2026.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Dulles to Dubuque
Connecting service available through multiple hubs.
1 Airlines 734 mi 2h 9m nonstop -1h behind

IAD–DBQ had nonstop service from Sun Country Airlines, last on the schedule in May 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 734 miles in 2h 9m.

Also explore IAD Routes DBQ Routes IAD Live Flights DBQ Live Flights IAD Delays
All flights from Dubuque (DBQ) Dubuque to Dulles flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop IAD–DBQ service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
SY Sun Country Airlines 0 – – 78% – –
Alliance coverage
Unaffiliated: SY (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for IAD to DBQ.
1-STOP
One-Stop Connections
0
Hubs
–
Fastest
–
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → DBQ
78%
Generally reliable. Most flights run on time.
Departing
78%
Return
DBQ → IAD
90%
Generally reliable. Most flights run on time.
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →
Alternatives

Other ways to reach Dubuque from Dulles

Nearby airports with service to Dubuque Regional Airport.
Metric IAD→DBQ BWI→DBQ
Distance from IAD – 45 mi
Nonstop airlines – 1
Weekly flights – –
Flight time 2h 9m 2h 3m
Departure OTP 78% –
Baltimore (BWI) to Dubuque flights
Airports within 200 miles of IAD with service to Dubuque Regional Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 5:00 PM in Dubuque.
Distance & Flight Time
734 mi / 1,180 km
Nonstop flight time is approximately 2h 9m 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).

Facts

IAD–DBQ Quick Facts

Key statistics for the Dulles to Dubuque route.
Route details
Distance734 mi / 1,180 km
Flight time2h 9m
Time difference-1 hour
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: DBQ
Full nameDubuque Regional Airport
IATA / ICAODBQ / KDBQ
TimezoneAmerica/Chicago
Passengers/yr0.0M
Elevation1,077 ft / 328 m
FAQ

Frequently Asked Questions

Common questions about IAD to DBQ flights.
Nonstop flights from Washington Dulles International Airport to Dubuque Regional Airport take about 2h 9m gate to gate. The route covers 734 miles.
1 airline operated the nonstop from IAD to DBQ: Sun Country Airlines. The last scheduled nonstop was in May 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in May 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 2h 9m.
Yes, 1-stop connections are available, ranked by layover time.
Dubuque is 1 hour behind Dulles.
Yes, return flights from DBQ 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 DBQ

Washington Dulles International Airport (IAD) and Dubuque Regional Airport (DBQ) had nonstop service from Sun Country Airlines, last on the schedule in May 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

IAD to DBQ Flight Duration and Schedule

Nonstop flight time from IAD to DBQ is about 2 hours 9 minutes gate to gate. The route covers a distance of 734 miles (1,180 km).

Connecting Options and Alternatives

1-stop connecting options are also available. Nearby alternative airports include Baltimore (BWI).