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

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511 mi airlines 19/wk
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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
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
AS2444+1
AS Alaska
E75
5:06 PM
MDT
5:59 PM
PDT
1h 53m
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
Seattle to Great Falls
2 carriers, 19 flights/week nonstop.
2 Airlines 19 Flights/wk 511 mi 1h 36m nonstop +1h ahead 20 1-stop hubs

SEA–GTF is served by 2 airlines with nonstop service. Qatar Airways and Alaska Airlines lead the route. The flight covers 511 miles in approximately 1h 36m. Beyond nonstop, 20 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SEA–GTF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
QR Qatar Airways 12 E75 1h36-1h38 81% Oneworld
AS Alaska Airlines 7 E75 1h37 81% Oneworld
Aircraft on this route
E75 Embraer E175 – AS, QR
Alliance coverage
Oneworld: AS + QR (19 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 GTF direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
2
flights
Fri
3
flights
Sat
2
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
19
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to GTF.
1-STOP
One-Stop Connections
20
Hubs
~3h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
341
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.

Travel Essentials

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

When it's 6:00 PM in Seattle, it's 7:00 PM in Great Falls.
Distance & Flight Time
511 mi / 822 km
Nonstop flight time is approximately 1h 36m to 1h 38m.
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–GTF Quick Facts

Key statistics for the Seattle to Great Falls route.
Route details
Distance511 mi / 822 km
Flight time1h 36m to 1h 38m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights19 out / 7 return
1-stop connections20 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: GTF
IATA / ICAOGTF / KGTF
TimezoneAmerica/Denver
Passengers/yr0.4M
Elevation3,680 ft / 1,122 m

Frequently Asked Questions

Common questions about SEA to GTF flights.
Nonstop flights from Seattle–Tacoma International Airport to Great Falls International Airport take approximately 1h 36m to 1h 38m. The route covers 511 miles.
2 airlines operate nonstop service: Alaska Airlines and Qatar Airways.
There are approximately 19 nonstop flights per week from SEA to GTF. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through YYC, BOI, YEG, SFO, PSP, PHX, AZA, MCI, OKC, MEM, MKE, IND, ORD, LAS, SLC, DEN, FCA, MSO, BIL and BZN. These options provide additional schedule flexibility.
Great Falls is 1 hour ahead of Seattle.
Yes, return flights from GTF 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 GTF

Seattle–Tacoma International Airport (SEA) and Great Falls International Airport (GTF) are connected by nonstop service from Alaska Airlines and Qatar Airways. With 19 weekly departures, this is a well served route.

SEA to GTF Flight Duration and Schedule

Nonstop flight time from SEA to GTF ranges from 1 hours 36 minutes to 1 hours 38 minutes. The route covers a distance of 511 miles (822 km). There are approximately 19 weekly flights outbound and 7 return, totaling 26 flights per week in both directions.

Connecting Options and Alternatives

20 one-stop connections are available, with the fastest taking approximately 3 hours via YYC. Two-stop connections are also available via intermediate hubs.