Washington (DCA) to Hilton Head Island (HHH)
Flight time
≈ 1h 48m
Bearing
205° SW
Washington (DCA) to Hilton Head Island (HHH) is 502 miles (808 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies DCA–HHH
US DOT T-100 · filed dataIn April 2026, Republic Airways was the only carrier flying nonstop DCA–HHH; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 60% full.
Departures
66
April 2026
Seats
5,016
both directions
Passengers
3,017
both directions
Load factor
60.2%
passengers ÷ seats
Who flies DCA–HHH?
Republic Airways was the only carrier to fly nonstop DCA–HHH in April 2026 (66 departures).
- YX
Republic Airways
66 departures · 5,016 seats
Share of departures100.0%60.2%
Load
What plane flies DCA–HHH?
In April 2026, the Embraer E175 flew 100% of DCA–HHH departures.
- Embraer E175
66 departures · 60.2% load
100.0%
How has DCA–HHH traffic changed?
Nonstop DCA–HHH departures rose from 60 in May 2025 to 66 in April 2026.
Monthly nonstop DCA–HHH traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
60 departures · 2,809 passengers
61.6%
Load
June 2025
91 departures · 3,812 passengers
55.1%
Load
July 2025
66 departures · 3,130 passengers
62.4%
Load
August 2025
64 departures · 2,936 passengers
60.4%
Load
September 2025
66 departures · 2,837 passengers
56.6%
Load
October 2025
64 departures · 3,083 passengers
63.4%
Load
November 2025
59 departures · 2,227 passengers
49.7%
Load
December 2025
33 departures · 689 passengers
27.7%
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
30 departures · 1,014 passengers
44.5%
Load
March 2026
59 departures · 2,562 passengers
57.4%
Load
April 2026
66 departures · 3,017 passengers
60.2%
Load
By direction
The DOT files each direction separately — they rarely match.
DCA → HHH
65.4% full
33 departures · 1,640 passengers
HHH → DCA
54.9% full
33 departures · 1,377 passengers
Nonstop DCA–HHH traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Washington (DCA) from Hilton Head Island (HHH)?
DCA to HHH is 502 miles (808 km / 436 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DCA to HHH?
A nonstop covers the 502-mile great-circle distance in roughly 1h 48m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DCA–HHH?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying DCA–HHH?
Distance-based programs credit off the 502-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Other routes from DCA
Popular long-haul routes