Seattle to Idaho Falls (SEA–IDA) — Airlines, Schedules & Connections

SEA Airport Page →
565 mi airlines charter/private 25/wk
On-time Some delays Frequent delays
Flight Schedule 9 flights Verified 4m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AS3490
AS Alaska
E75L
12:45 PM
PDT
3:37 PM
MDT
1h 52m
27%
M T W T F S S
Prices
AS3423+1
AS Alaska
E75L
7:50 PM
PDT
10:39 PM
MDT
1h 49m
27%
M T W T F S S
Prices
AY2623cs
AY Finnair
E75
7:50 PM
PDT
10:39 PM
MDT
1h 49m
17%
M T W T F S S
Prices
QR2999
QR Qatar
E75
7:50 PM
PDT
10:39 PM
MDT
1h 49m
34%
M T W T F S S
Prices
QR2059
QR Qatar
E75
7:15 AM
MDT
8:21 AM
PDT
2h 6m
M T W T F S S
Prices
AS3054
AS Alaska
E75
8:12 AM
MDT
9:16 AM
PDT
2h 4m
M T W T F S S
Prices
QR2086
QR Qatar
E75
1:43 PM
MDT
2:48 PM
PDT
2h 5m
M T W T F S S
Prices
AS3489+1
AS Alaska
E75
1:43 PM
MDT
2:48 PM
PDT
2h 5m
M T W T F S S
Prices
AY2622cs
AY Finnair
E75
1:43 PM
MDT
2:48 PM
PDT
2h 5m
M T W T F S S
Prices

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 9 hubs
PDX Portland 3h 39m AMASAY ASG4 Portland (PDX) to Idaho Falls flights
SLC Salt Lake City 4h AMASAY AFAMDL Salt Lake City (SLC) to Idaho Falls flights
DEN Denver 5h 18m ASAYCM UA Denver (DEN) to Idaho Falls flights
LAS Las Vegas 5h 18m AFAMAS G4 Las Vegas (LAS) to Idaho Falls flights
SNA Santa Ana 5h 53m AFASAY G4 Santa Ana (SNA) to Idaho Falls flights
DFW Dallas-Fort Worth 8h 58m AAASAY AAQR Dallas-Fort Worth (DFW) to Idaho Falls flights
ORD Chicago 10h 19m AAAFAS AAUA Chicago (ORD) to Idaho Falls flights
PHX Phoenix ~6h 38m AAAFAS AA Phoenix (PHX) to Idaho Falls flights
ANC Anchorage ~9h 31m 8CAMAS HTT Anchorage (ANC) to Idaho Falls flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Seattle to Idaho Falls
1 carrier, 25 flights/week nonstop.
1 Airlines 565 mi 1h 49m nonstop +1h ahead

SEA–IDA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 565 miles in approximately 1h 49m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop SEA–IDA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: AY, QR 14 E75L 1h49-1h52 78% Oneworld AY, QR
Aircraft on this route
E75 Embraer E175 – AY, QR
E75L Embraer E175 Long Wing – AS
Alliance coverage
Oneworld: AS (14 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 IDA direction.
Mon
4
flights
Tue
4
flights
Wed
3
flights
Thu
3
flights
Fri
4
flights
Sat
3
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
25
Outbound / wk
32
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to IDA.
1-STOP
One-Stop Connections
9
Hubs
~3h
Fastest
~10h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
679
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 → IDA
78%
Generally reliable. Most flights run on time.
Departing
78%
Return
IDA → SEA
94%
Generally reliable. Most flights run on time.
Arriving
94%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →

Travel Essentials

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

When it's 6:00 PM in Seattle, it's 7:00 PM in Idaho Falls.
Distance & Flight Time
565 mi / 909 km
Nonstop flight time is approximately 1h 49m gate to gate.
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–IDA Quick Facts

Key statistics for the Seattle to Idaho Falls route.
Route details
Distance565 mi / 909 km
Flight time1h 49m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights25 out / 32 return
1-stop connectionsAvailable
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m
Destination: IDA
IATA / ICAOIDA / KIDA
TimezoneAmerica/Boise
Passengers/yr0.6M
Elevation4,744 ft / 1,446 m

Frequently Asked Questions

Common questions about SEA to IDA flights.
Nonstop flights from Seattle–Tacoma International Airport to Idaho Falls Regional Airport take about 1h 49m gate to gate. The route covers 565 miles.
1 airline operates flights from SEA to IDA: Alaska Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Portland, Salt Lake City and Denver.
Idaho Falls is 1 hour ahead of Seattle.
Yes, return flights from IDA 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 IDA

Seattle–Tacoma International Airport (SEA) and Idaho Falls Regional Airport (IDA) are connected by nonstop service from Alaska Airlines. With 25 weekly departures, this is a well served route.

SEA to IDA Flight Duration and Schedule

Nonstop flight time from SEA to IDA is about 1 hours 49 minutes gate to gate. The route covers a distance of 565 miles (909 km). There are approximately 25 weekly flights outbound and 32 return, totaling 57 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Portland, Salt Lake City and Denver. Two-stop connections are also available via intermediate hubs.