Baltimore to Seattle (BWI–BFI) — Airlines, Schedules & Connections

BWI Airport Page →
2,328 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 12 1-stop flights Verified 1d ago
Also flown by charter / private operators.
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 10 hubs
SLC Salt Lake City 10h 11m DLKEWN → EJAPXTUA Salt Lake City (SLC) to Seattle flights
LAX Los Angeles 10h 39m CANZSQ → UA Los Angeles (LAX) to Seattle flights
IAD Dulles ~7h 27m UA → DL Dulles (IAD) to Seattle flights
BUF Buffalo ~7h 43m EJAWN → Buffalo (BUF) to Seattle flights
MCI Kansas City ~8h SYWN → Kansas City (MCI) to Seattle flights
JFK New York ~8h 21m CI → DL New York (JFK) to Seattle flights
SAN San Diego ~8h 49m WN → San Diego (SAN) to Seattle flights
ATL Atlanta ~8h 50m 8CAFAM → Atlanta (ATL) to Seattle flights
SMF Sacramento ~8h 51m WN → Sacramento (SMF) to Seattle flights
HOU Houston ~9h 1m WN → DL Houston (HOU) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Baltimore to Seattle
Connecting service available through multiple hubs.
1 Airlines 2,328 mi 6h 35m nonstop -3h behind

BWI–BFI had nonstop service from Delta Air Lines, last on the schedule in June 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 2,328 miles in 6h 35m.

Also explore BWI Routes BFI Routes BWI Live Flights BFI Live Flights BWI Delays
All flights from Seattle (BFI) Seattle to Baltimore flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop BWI–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines 1 – – 100% SkyTeam –
Alliance coverage
SkyTeam: DL (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for BWI to BFI.
1-STOP
One-Stop Connections
12
Hubs
~7h
Fastest
~10h
Longest
IAD ~7h 27m BUF ~7h 43m MCI ~8h 0m JFK ~8h 21m SAN ~8h 49m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
99
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
BWI → BFI
100%
Generally reliable. Most flights run on time.
Departing
100%
Return
BFI → BWI
95%
Generally reliable. Most flights run on time.
Arriving
95%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BWI delays →
Alternatives

Other ways to reach Seattle from Baltimore

Nearby airports with service to King County International Airport - Boeing Field.
Metric BWI→BFI DCA→BFI IAD→BFI
Distance from BWI – 30 mi 45 mi
Nonstop airlines – 1 8
Weekly flights – – 1
Flight time 6h 35m 4h 14m 5h 12m
Departure OTP 100% – –
Washington (DCA) to Seattle flights · Dulles (IAD) to Seattle flights · Philadelphia (PHL) to Seattle flights
Airports within 200 miles of BWI 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 Baltimore.
BWI: EDT · BFI: PDT

When it's 6:00 PM in Baltimore, it's 3:00 PM in Seattle.
Distance & Flight Time
2,328 mi / 3,747 km
Nonstop flight time is approximately 6h 35m gate to gate.
Facts

BWI–BFI Quick Facts

Key statistics for the Baltimore to Seattle route.
Route details
Distance2,328 mi / 3,747 km
Flight time6h 35m
Time difference-3 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: BWI
Full nameBaltimore/Washington International Thurgood Marshall Airport
IATA / ICAOBWI / KBWI
TimezoneAmerica/New_York
Passengers/yr26.4M
Elevation146 ft / 45 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 BWI to BFI flights.
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to King County International Airport - Boeing Field take about 6h 35m gate to gate. The route covers 2,328 miles.
1 airline operated the nonstop from BWI to BFI: Delta Air Lines. The last scheduled nonstop was in June 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in June 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 6h 35m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Salt Lake City and Los Angeles.
Seattle is 3 hours behind Baltimore.
Yes, return flights from BFI to BWI are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA, IAD and PHL. 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 BWI to BFI

Baltimore/Washington International Thurgood Marshall Airport (BWI) and King County International Airport - Boeing Field (BFI) had nonstop service from Delta Air Lines, last on the schedule in June 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

BWI to BFI Flight Duration and Schedule

Nonstop flight time from BWI to BFI is about 6 hours 35 minutes gate to gate. The route covers a distance of 2,328 miles (3,747 km).

Connecting Options and Alternatives

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