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

IAD Airport Page →
1,939 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5d ago
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  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 Twin Falls
Connecting service available through multiple hubs.
1 Flights/wk 1,939 mi 4h 12m nonstop -2h behind 4 1-stop hubs

While no nonstop service exists between IAD and TWF, connecting options are available through 4 hubs.

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

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to TWF.
1-STOP
One-Stop Connections
4
Hubs
~8h
Fastest
~28h
Longest
VNY ~8h 3m IAH ~8h 43m LAS ~25h 23m SLC ~28h 25m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
130
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 → TWF
48%
Frequent delays expected. Consider flexible booking.
Departing
48%
Return
TWF → IAD
62%
Moderate delays possible. Allow buffer time.
Arriving
62%
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
-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.
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–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)0
Weekly flights1 out
1-stop connections4 hubs
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: TWF
Full nameJoslin Field Magic Valley Regional Airport
IATA / ICAOTWF / KTWF
TimezoneAmerica/Boise
Passengers/yr0.1M
Elevation4,154 ft / 1,266 m
FAQ

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 approximately 4h 12m. The route covers 1,939 miles.
There are approximately 1 nonstop flights per week from IAD to TWF.
Yes, 1-stop connections are available through VNY, IAH, LAS and SLC. These options provide additional schedule flexibility.
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 ranges from 4 hours 12 minutes. The route covers a distance of 1,939 miles (3,121 km).

Connecting Options and Alternatives

4 one-stop connections are available, with the fastest taking approximately 8 hours via VNY. Two-stop connections are also available via intermediate hubs.