Seattle to Billings (SEA–BIL) — Airlines, Schedules & Connections

SEA Airport Page →
662 mi airlines 21/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 37m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS2353
AS Alaska
E75L
12:53 PM
MDT
3:25 PM
CDT
1h 32m
M T W T F S S
Prices
BA2961
BA British
E75L
8:45 PM
MDT
11:38 PM
CDT
1h 53m
M T W T F S S
Prices
AS2457
AS Alaska
E75L
8:45 PM
MDT
11:38 PM
CDT
1h 53m
M T W T F S S
Prices
AS2555
AS Alaska
E75
7:00 AM
CDT
8:17 AM
MDT
2h 17m
M T W T F S S
Prices
BA2962
BA British
E75
2:04 PM
CDT
3:17 PM
MDT
2h 13m
M T W T F S S
Prices
AS2084
AS Alaska
E75
2:04 PM
CDT
3:17 PM
MDT
2h 13m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Seattle to Billings
2 carriers, 21 flights/week nonstop.
2 Airlines 21 Flights/wk 662 mi 1h 32m nonstop +1h ahead 11 1-stop hubs

SEA–BIL is served by 2 airlines with nonstop service. Alaska Airlines and British Airways lead the route. The flight covers 662 miles in approximately 1h 32m. Beyond nonstop, 11 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SEA–BIL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 14 E75L 1h32-1h53 94% Oneworld
BA British Airways 7 E75L 1h53 94% Oneworld
Aircraft on this route
E75L Embraer E175 Long Wing – AS, BA
Alliance coverage
Oneworld: AS + BA (21 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to BIL direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
21
Outbound / wk
21
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to BIL.
1-STOP
One-Stop Connections
11
Hubs
~4h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
614
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
SEA → BIL
94%
Generally reliable. Most flights run on time.
Departing
94%
Arriving
68%
Return
BIL → SEA
72%
Moderate delays possible. Allow buffer time.
Departing
72%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → BIL delays →

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Billings is 1 hour ahead of Seattle.
SEA: MDT · BIL: CDT

When it's 6:00 PM in Seattle, it's 7:00 PM in Billings.
Distance & Flight Time
662 mi / 1,066 km
Nonstop flight time is approximately 1h 32m to 1h 53m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

SEA–BIL Quick Facts

Key statistics for the Seattle to Billings route.
Route details
Distance662 mi / 1,066 km
Flight time1h 32m to 1h 53m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights21 out / 21 return
1-stop connections11 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: BIL
IATA / ICAOBIL / KBIL
TimezoneAmerica/North_Dakota/Beulah
Passengers/yr1.0M
Elevation3,652 ft / 1,113 m

Frequently Asked Questions

Common questions about SEA to BIL flights.
Nonstop flights from Seattle–Tacoma International Airport to Billings Logan International Airport take approximately 1h 32m to 1h 53m. The route covers 662 miles.
2 airlines operate nonstop service: Alaska Airlines and British Airways.
There are approximately 21 nonstop flights per week from SEA to BIL. The return direction has about 21 weekly flights.
Yes, 1-stop connections are available through JAC, IND, MSP, MIA, PHX, SLC, LAS, PDX, DEN, GTF and DFW. These options provide additional schedule flexibility.
Billings is 1 hour ahead of Seattle.
Yes, return flights from BIL to SEA are available. Use the direction toggle at the top to view the return schedule.
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 SEA to BIL

Seattle–Tacoma International Airport (SEA) and Billings Logan International Airport (BIL) are connected by nonstop service from Alaska Airlines and British Airways. With 21 weekly departures, this is a well served route.

SEA to BIL Flight Duration and Schedule

Nonstop flight time from SEA to BIL ranges from 1 hours 32 minutes to 1 hours 53 minutes. The route covers a distance of 662 miles (1,066 km). There are approximately 21 weekly flights outbound and 21 return, totaling 42 flights per week in both directions.

Connecting Options and Alternatives

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