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

BFI Airport Page →
2,300 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 22h 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...
Seattle to Dulles
Connecting service available through multiple hubs.
1 Flights/wk 2,300 mi 5h 6m nonstop +2h ahead 39 1-stop hubs

While no nonstop service exists between BFI and IAD, connecting options are available through 39 hubs.

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

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BFI to IAD.
1-STOP
One-Stop Connections
39
Hubs
~6h
Fastest
~27h
Longest
APA ~6h 30m BWI ~6h 54m BZN ~7h 3m PDX ~7h 9m PWK ~7h 10m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
240
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
BFI → IAD
84%
Generally reliable. Most flights run on time.
Arriving
84%
Return
IAD → BFI
63%
Moderate delays possible. Allow buffer time.
Departing
63%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →
Alternatives

Other ways to reach Dulles from Seattle

Nearby airports with service to Washington Dulles International Airport.
Metric BFI→IAD SEA→IAD YXX→IAD
Distance from BFI – 5 mi 104 mi
Nonstop airlines 0 6 1
Weekly flights 1 45 1
Flight time 5h 6m 4h 54m 3h 58m
Seattle (SEA) to Dulles flights · Abbotsford (YXX) to Dulles flights
Airports within 200 miles of BFI with service to Washington Dulles International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Dulles is 2 hours ahead of Seattle.
BFI: MDT · IAD: EDT

When it's 6:00 PM in Seattle, it's 8:00 PM in Dulles.
Distance & Flight Time
2,300 mi / 3,701 km
Nonstop flight time is approximately 5h 6m.
Getting from IAD

Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.

Dulles Climate

Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.

Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.

Check current weather forecasts before travel.
Facts

BFI–IAD Quick Facts

Key statistics for the Seattle to Dulles route.
Route details
Distance2,300 mi / 3,701 km
Flight time5h 6m
Time difference+2 hours
Airlines (nonstop)0
Weekly flights1 out / 2 return
1-stop connections39 hubs
Origin: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Boise
Passengers/yr0.1M
Elevation21 ft / 6 m
Destination: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
FAQ

Frequently Asked Questions

Common questions about BFI to IAD flights.
Nonstop flights from King County International Airport - Boeing Field to Washington Dulles International Airport take approximately 5h 6m. The route covers 2,300 miles.
There are approximately 1 nonstop flights per week from BFI to IAD. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through APA, BWI, BZN, PDX, PWK, MSP, SLN, SCF, MRY, CLT, DAL, SLC, YYZ, SAF, JAC, RIC, ORD, OAK, VNY, SBA, DEN, LGB, LAS, SJC, SAN, BOS, TEB, SNA, PBI, PSP, SFO, MIA, LAX, DFW, DUB, EDI, SEA, HND and PHX. These options provide additional schedule flexibility.
Dulles is 2 hours ahead of Seattle.
Yes, return flights from IAD to BFI are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SEA and YXX. 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 BFI to IAD

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

BFI to IAD Flight Duration and Schedule

Nonstop flight time from BFI to IAD ranges from 5 hours 6 minutes. The route covers a distance of 2,300 miles (3,701 km). There are approximately 1 weekly flights outbound and 2 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

39 one-stop connections are available, with the fastest taking approximately 6 hours via APA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA) and Abbotsford (YXX).