Dulles to Twin Falls (IAD–TWF) — Airlines, Schedules & Connections

IAD Airport Page →
1,939 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 2 1-stop flights Verified 3mos ago
Charter / private route. No scheduled airline service — operated by charter & private 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 connections via 2 hubs
SLC Salt Lake City 12h 44m DLKEUA DL Salt Lake City (SLC) to Twin Falls flights
LAS Las Vegas 16h 17m AZEJAET MX Las Vegas (LAS) to Twin Falls flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Twin Falls
Flown by charter / private operators — no scheduled airline service.
1,939 mi 4h 12m nonstop -2h behind

IAD–TWF has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Connection Landscape

1-stop and 2-stop options for IAD to TWF.
1-STOP
One-Stop Connections
2
Hubs
~12h
Fastest
~16h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
117
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → TWF
90%
Generally reliable. Most flights run on time.
Departing
90%
Return
TWF → IAD
77%
Generally reliable. Most flights run on time.
Arriving
77%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Twin Falls is 2 hours behind Dulles.
IAD: EDT · TWF: MDT

When it's 6:00 PM in Dulles, it's 4:00 PM in Twin Falls.
Distance & Flight Time
1,939 mi / 3,121 km
Nonstop flight time is approximately 4h 12m 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–TWF Quick Facts

Key statistics for the Dulles to Twin Falls route.
Route details
Distance1,939 mi / 3,121 km
Flight time4h 12m
Time difference-2 hours
Airlines (nonstop)Charter / private
1-stop connectionsAvailable
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: TWF
IATA / ICAOTWF / KTWF
TimezoneAmerica/Boise
Passengers/yr0.1M
Elevation4,154 ft / 1,266 m

Frequently Asked Questions

Common questions about IAD to TWF flights.
Nonstop flights from Washington Dulles International Airport to Joslin Field Magic Valley Regional Airport take about 4h 12m gate to gate. The route covers 1,939 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Salt Lake City and Harry Reid.
Twin Falls is 2 hours behind Dulles.
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 TWF

Washington Dulles International Airport (IAD) and Joslin Field Magic Valley Regional Airport (TWF) are connected through multiple connecting hub airports.

IAD to TWF Flight Duration and Schedule

Nonstop flight time from IAD to TWF is about 4 hours 12 minutes gate to gate. The route covers a distance of 1,939 miles (3,121 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Salt Lake City and Harry Reid. Two-stop connections are also available via intermediate hubs.