Great Falls to Seattle (GTF–SEA) — Airlines, Schedules & Connections

GTF Airport Page →
511 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 4 flights Verified 1h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AS2444+1
AS Alaska
E75
5:06 PM
MDT
5:59 PM
PDT
1h 53m
M T W T F S S
Prices
AS2444+1
AS Alaska
E75
1:49 PM
PDT
4:26 PM
MDT
1h 37m
M T W T F S S
Prices
QR2146
QR Qatar
E75
2:57 PM
PDT
5:35 PM
MDT
1h 38m
M T W T F S S
Prices
QR2952
QR Qatar
E75
3:36 PM
PDT
6:12 PM
MDT
1h 36m
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
Great Falls to Seattle
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 511 mi 1h 53m nonstop -1h behind 12 1-stop hubs

GTF–SEA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 511 miles in approximately 1h 53m. Beyond nonstop, 12 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop GTF–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: HA 7 E75 1h53 Oneworld HA
Aircraft on this route
E75 Embraer E175 – AS
Alliance coverage
Oneworld: AS (7 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, GTF to SEA direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
19
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for GTF to SEA.
1-STOP
One-Stop Connections
12
Hubs
~4h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
347
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 Great Falls

Nearby airports with service to Seattle–Tacoma International Airport.
Metric GTF→SEA HLN→SEA BZN→SEA
Distance from GTF 67 mi 118 mi
Nonstop airlines 1 2 12
Weekly flights 7 21 116
Flight time 1h 53m 1h 47m 1h 55m
Airports within 200 miles of GTF with service to Seattle–Tacoma International Airport.

Travel Essentials

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

When it's 6:00 PM in Great Falls, it's 5:00 PM in Seattle.
Distance & Flight Time
511 mi / 822 km
Nonstop flight time is approximately 1h 53m.
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.

GTF–SEA Quick Facts

Key statistics for the Great Falls to Seattle route.
Route details
Distance511 mi / 822 km
Flight time1h 53m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights7 out / 19 return
1-stop connections12 hubs
Origin: GTF
IATA / ICAOGTF / KGTF
TimezoneAmerica/Denver
Passengers/yr0.4M
Elevation3,680 ft / 1,122 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about GTF to SEA flights.
Nonstop flights from Great Falls International Airport to Seattle–Tacoma International Airport take approximately 1h 53m. The route covers 511 miles.
1 airline operates nonstop service: Alaska Airlines. Plus 1 codeshare partner.
There are approximately 7 nonstop flights per week from GTF to SEA. The return direction has about 19 weekly flights.
Yes, 1-stop connections are available through BOI, COS, SFO, AZA, ICT, BZN, FCA, SLC, DEN, MSO, LAS and BIL. These options provide additional schedule flexibility.
Seattle is 1 hour behind Great Falls.
Yes, return flights from SEA to GTF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HLN, BZN and BTM. 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 GTF to SEA

Great Falls International Airport (GTF) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines. With 7 weekly departures, this is a regularly served route.

GTF to SEA Flight Duration and Schedule

Nonstop flight time from GTF to SEA ranges from 1 hours 53 minutes. The route covers a distance of 511 miles (822 km). There are approximately 7 weekly flights outbound and 19 return, totaling 26 flights per week in both directions.

Connecting Options and Alternatives

12 one-stop connections are available, with the fastest taking approximately 4 hours via BOI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Helena (HLN), Bozeman (BZN) and Butte (BTM).