Dulles to Marathon (IAD–MTH) — Airlines, Schedules & Connections

IAD Airport Page →
1,005 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 2d ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Dulles to Marathon
Connecting service available through multiple hubs.
1 Flights/wk 1,005 mi 2h 29m nonstop 12 1-stop hubs

While no nonstop service exists between IAD and MTH, connecting options are available through 12 hubs.

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

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to MTH.
1-STOP
One-Stop Connections
12
Hubs
~4h
Fastest
~28h
Longest
BCT ~4h 31m CLT ~4h 50m FLL ~5h 11m OKC ~6h 9m BNA ~6h 26m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
126
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → MTH
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Return
MTH → IAD
64%
Moderate delays possible. Allow buffer time.
Arriving
64%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →
Know before you go

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 6:00 PM in Marathon.
Distance & Flight Time
1,005 mi / 1,617 km
Nonstop flight time is approximately 2h 29m.
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–MTH Quick Facts

Key statistics for the Dulles to Marathon route.
Route details
Distance1,005 mi / 1,617 km
Flight time2h 29m
Time difference0 hours
Airlines (nonstop)0
Weekly flights1 out
1-stop connections12 hubs
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: MTH
Full nameFlorida Keys Marathon International Airport
IATA / ICAOMTH / KMTH
TimezoneAmerica/Kentucky/Monticello
Elevation5 ft / 2 m
FAQ

Frequently Asked Questions

Common questions about IAD to MTH flights.
Nonstop flights from Washington Dulles International Airport to Florida Keys Marathon International Airport take approximately 2h 29m. The route covers 1,005 miles.
There are approximately 1 nonstop flights per week from IAD to MTH.
Yes, 1-stop connections are available through BCT, CLT, FLL, OKC, BNA, HOU, DFW, EIS, LAS, YYC, PBI and SFO. These options provide additional schedule flexibility.
Yes, return flights from MTH 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 MTH

Washington Dulles International Airport (IAD) and Florida Keys Marathon International Airport (MTH) are connected through multiple connecting hub airports.

IAD to MTH Flight Duration and Schedule

Nonstop flight time from IAD to MTH ranges from 2 hours 29 minutes. The route covers a distance of 1,005 miles (1,617 km).

Connecting Options and Alternatives

12 one-stop connections are available, with the fastest taking approximately 4 hours via BCT. Two-stop connections are also available via intermediate hubs.