Dulles to Seattle (IAD–BFI) — Airlines, Schedules & Connections

IAD Airport Page →
2,300 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 9 1-stop flights Verified 21h ago
Charter / private route. No scheduled airline service — operated by New England Airlines Inc..
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 9 hubs
LAX Los Angeles 9h 24m AAAZEJA → UA Los Angeles (LAX) to Seattle flights
SLC Salt Lake City 11h 22m DLKEUA → EJAPXTUA Salt Lake City (SLC) to Seattle flights
BUF Buffalo ~7h 57m AVCMSN → Buffalo (BUF) to Seattle flights
MCI Kansas City ~8h 8m AVCMLXJ → Kansas City (MCI) to Seattle flights
JFK New York ~8h 49m AFAMAV → DL New York (JFK) to Seattle flights
ATL Atlanta ~8h 49m AFAMCM → Atlanta (ATL) to Seattle flights
SAN San Diego ~8h 58m ASAZET → San Diego (SAN) to Seattle flights
SMF Sacramento ~9h 1m SNUA → Sacramento (SMF) to Seattle flights
TPA Tampa ~9h 45m AVAZCM → Tampa (TPA) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Dulles to Seattle
Flown by charter / private operators — no scheduled airline service.
2,300 mi 5h 12m nonstop -3h behind

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

Also explore IAD Routes BFI Routes IAD Live Flights BFI Live Flights IAD Delays
All flights from Seattle (BFI) Seattle to Dulles flights
Connections

Connection Landscape

1-stop and 2-stop options for IAD to BFI.
1-STOP
One-Stop Connections
9
Hubs
~7h
Fastest
~11h
Longest
BUF ~7h 57m MCI ~8h 8m JFK ~8h 49m ATL ~8h 49m SAN ~8h 58m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
131
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 → BFI
71%
Moderate delays possible. Allow buffer time.
Departing
71%
Return
BFI → IAD
78%
Generally reliable. Most flights run on time.
Arriving
78%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →
Alternatives

Other ways to reach Seattle from Dulles

Nearby airports with service to King County International Airport - Boeing Field.
Metric IAD→BFI DCA→BFI BWI→BFI
Distance from IAD – 23 mi 45 mi
Nonstop airlines – 1 2
Weekly flights ~1 – 1
Flight time 5h 12m 4h 14m 6h 35m
Departure OTP 71% – –
Washington (DCA) to Seattle flights · Baltimore (BWI) to Seattle flights
Airports within 200 miles of IAD with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Seattle is 3 hours behind Dulles.
IAD: EDT · BFI: PDT

When it's 6:00 PM in Dulles, it's 3:00 PM in Seattle.
Distance & Flight Time
2,300 mi / 3,701 km
Nonstop flight time is approximately 5h 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).

Facts

IAD–BFI Quick Facts

Key statistics for the Dulles to Seattle route.
Route details
Distance2,300 mi / 3,701 km
Flight time5h 12m
Time difference-3 hours
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~1 return
1-stop connectionsAvailable
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
FAQ

Frequently Asked Questions

Common questions about IAD to BFI flights.
Nonstop flights from Washington Dulles International Airport to King County International Airport - Boeing Field take about 5h 12m gate to gate. The route covers 2,300 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Los Angeles and Salt Lake City.
Seattle is 3 hours behind Dulles.
Yes, return flights from BFI to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA and 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 BFI

Washington Dulles International Airport (IAD) and King County International Airport - Boeing Field (BFI) are connected through multiple connecting hub airports.

IAD to BFI Flight Duration and Schedule

Nonstop flight time from IAD to BFI is about 5 hours 12 minutes gate to gate. The route covers a distance of 2,300 miles (3,701 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Los Angeles and Salt Lake City. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA) and Baltimore (BWI).