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

BIL Airport Page →
662 mi airlines 70/wk
On-time Some delays Frequent delays
Flight Schedule 21 flights Verified 20h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
QR2015
QR Qatar
E75
6:00 AM
MDT
7:07 AM
PDT
2h 7m
M T W T F S S
Prices
AS2457+4
AS Alaska
E75
6:00 AM
MDT
7:07 AM
PDT
2h 7m
M T W T F S S
Prices
BA2962cs
BA British
E75
7:00 AM
MDT
8:08 AM
PDT
2h 8m
M T W T F S S
Prices
AS2555+4
AS Alaska
E75
7:00 AM
MDT
8:08 AM
PDT
2h 8m
M T W T F S S
Prices
KE6234cs
KE Korean
E75L
7:56 AM
MDT
9:10 AM
PDT
2h 14m
M T W T F S S
Prices
QR2014cs
QR Qatar
E75L
7:56 AM
MDT
9:10 AM
PDT
2h 14m
M T W T F S S
Prices
QR2013cs
QR Qatar
E75L
2:05 PM
MDT
3:15 PM
PDT
2h 10m
M T W T F S S
Prices
AS2084+4
AS Alaska
E75L
2:06 PM
MDT
3:13 PM
PDT
2h 7m
M T W T F S S
Prices
BA2960cs
BA British
E75
2:06 PM
MDT
3:13 PM
PDT
2h 7m
M T W T F S S
Prices
AS2295
AS Alaska
E75
7:21 PM
MDT
8:33 PM
PDT
2h 12m
M T W T F S S
Prices
AS2390
AS Alaska
E75
9:12 AM
PDT
12:07 PM
MDT
1h 55m
M T W T F S S
Prices
AS2084+4
AS Alaska
E75
10:22 AM
PDT
1:21 PM
MDT
1h 59m
M T W T F S S
Prices
AS2295
AS Alaska
E75
3:47 PM
PDT
6:41 PM
MDT
1h 54m
M T W T F S S
Prices
QR2124
QR Qatar
E75
3:47 PM
PDT
6:41 PM
MDT
1h 54m
M T W T F S S
Prices
QR2181
QR Qatar
E75
3:47 PM
PDT
6:41 PM
MDT
1h 54m
M T W T F S S
Prices
BA2961cs
BA British
E75
8:04 PM
PDT
10:59 PM
MDT
1h 55m
M T W T F S S
Prices
AS2169
AS Alaska
E75
8:04 PM
PDT
10:59 PM
MDT
1h 55m
M T W T F S S
Prices
AS2457+4
AS Alaska
E75
8:04 PM
PDT
10:59 PM
MDT
1h 55m
M T W T F S S
Prices
AS2367
AS Alaska
E75
8:39 PM
PDT
11:33 PM
MDT
1h 54m
M T W T F S S
Prices
QR3332cs
QR Qatar
E75L
9:04 PM
PDT
11:58 PM
MDT
1h 54m
M T W T F S S
Prices
KE6233cs
KE Korean
E75L
9:04 PM
PDT
11:58 PM
MDT
1h 54m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Billings to Seattle
1 carrier, 70 flights/week nonstop.
1 Airlines 70 Flights/wk 662 mi 2h 7m nonstop -1h behind 16 1-stop hubs

BIL–SEA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 662 miles in approximately 2h 7m. Beyond nonstop, 16 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop BIL–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: BA, HA, KE, QR 28 E75, E75L 2h07-2h12 50% Oneworld BA, HA, KE, QR
Aircraft on this route
E75 Embraer E175 – AS, BA, QR
E75L Embraer E175 Long Wing – AS, KE, QR
Alliance coverage
Oneworld: AS (28 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, BIL to SEA direction.
Mon
10
flights
Tue
10
flights
Wed
10
flights
Thu
10
flights
Fri
10
flights
Sat
10
flights
Sun
10
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
10
Nonstop flights
70
Outbound / wk
64
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BIL to SEA.
1-STOP
One-Stop Connections
16
Hubs
~5h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
646
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.

Other ways to reach Seattle from Billings

Nearby airports with service to Seattle–Tacoma International Airport.
Metric BIL→SEA BZN→SEA HLN→SEA
Distance from BIL 126 mi 174 mi
Nonstop airlines 1 12 2
Weekly flights 70 116 21
Flight time 2h 7m 1h 55m 1h 47m
Departure OTP 50%
Airports within 200 miles of BIL with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Seattle is 1 hour behind Billings.
BIL: MDT · SEA: PDT

When it's 6:00 PM in Billings, it's 5:00 PM in Seattle.
Distance & Flight Time
662 mi / 1,066 km
Nonstop flight time is approximately 2h 7m to 2h 14m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

BIL–SEA Quick Facts

Key statistics for the Billings to Seattle route.
Route details
Distance662 mi / 1,066 km
Flight time2h 7m to 2h 14m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights70 out / 64 return
1-stop connections16 hubs
Origin: BIL
IATA / ICAOBIL / KBIL
TimezoneAmerica/Denver
Passengers/yr1.0M
Elevation3,652 ft / 1,113 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about BIL to SEA flights.
Nonstop flights from Billings Logan International Airport to Seattle–Tacoma International Airport take approximately 2h 7m to 2h 14m. The route covers 662 miles.
1 airline operates nonstop service: Alaska Airlines. Plus 4 codeshare partners.
There are approximately 70 nonstop flights per week from BIL to SEA. The return direction has about 64 weekly flights.
Yes, 1-stop connections are available through BZN, AZA, RNO, BOI, OAK, PHX, MDW, TUS, SLC, LAS, MSP, ORD, DFW, DEN, PDX and GTF. These options provide additional schedule flexibility.
Seattle is 1 hour behind Billings.
Yes, return flights from SEA to BIL are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BZN, HLN and GTF. 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 BIL to SEA

Billings Logan International Airport (BIL) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines. With 70 weekly departures, this is a heavily served route.

BIL to SEA Flight Duration and Schedule

Nonstop flight time from BIL to SEA ranges from 2 hours 7 minutes to 2 hours 14 minutes. The route covers a distance of 662 miles (1,066 km). There are approximately 70 weekly flights outbound and 64 return, totaling 134 flights per week in both directions.

Connecting Options and Alternatives

16 one-stop connections are available, with the fastest taking approximately 5 hours via BZN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Bozeman (BZN), Helena (HLN) and Great Falls (GTF).