Seattle to Pasco (SEA–PSC) — Airlines, Schedules & Connections

SEA Airport Page →
172 mi airlines 45/wk
On-time Some delays Frequent delays
Flight Schedule 21 flights Verified 50m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
DL3992
DL Delta
E75L
10:28 AM
MDT
11:35 AM
MDT
1h 7m
M T W T F S S
Prices
AS2367
AS Alaska
E75L
11:20 AM
MDT
12:19 PM
MDT
0h 59m
M T W T F S S
Prices
DL3891
DL Delta
E7W
3:15 PM
MDT
4:16 PM
MDT
1h 1m
M T W T F S S
Prices
AS2213
AS Alaska
E75
4:30 PM
MDT
5:34 PM
MDT
1h 4m
M T W T F S S
Prices
AS3057
AS Alaska
E75
4:30 PM
MDT
5:34 PM
MDT
1h 4m
M T W T F S S
Prices
AS2302
AS Alaska
E75
8:42 PM
MDT
9:42 PM
MDT
1h
M T W T F S S
Prices
DL4017
DL Delta
E75S
10:40 PM
MDT TB
11:46 PM
MDT
1h 6m
M T W T F S S
Prices
AF2982
AF Air France
E7W
10:40 PM
MDT
11:47 PM
MDT
1h 7m
M T W T F S S
Prices
AM4013
AM Aeromexi
E75L
5:05 AM
MDT TM
6:29 AM
MDT
1h 24m
M T W T F S S
Prices
QR8835
QR Qatar
E75
5:12 AM
MDT
6:28 AM
MDT
1h 16m
M T W T F S S
Prices
AS3026
AS Alaska
E75L
5:12 AM
MDT
6:28 AM
MDT
1h 16m
M T W T F S S
Prices
DL3972
DL Delta
E75L
5:25 AM
MDT TM
6:44 AM
MDT
1h 19m
M T W T F S S
Prices
AS795
AS Alaska
73H
8:25 AM
MDT
9:40 AM
MDT
1h 15m
M T W T F S S
Prices
AF2105
AF Air France
E7W
12:45 PM
MDT
1:53 PM
MDT
1h 8m
M T W T F S S
Prices
AF2224
AF Air France
E7W
12:45 PM
MDT
1:55 PM
MDT
1h 10m
M T W T F S S
Prices
AF2077
AF Air France
E7W
12:45 PM
MDT
1:53 PM
MDT
1h 8m
M T W T F S S
Prices
AF2360
AF Air France
E7W
12:50 PM
MDT
1:58 PM
MDT
1h 8m
M T W T F S S
Prices
DL3992
DL Delta
E75L
1:24 PM
MDT
2:24 PM
MDT
1h
M T W T F S S
Prices
AS2366
AS Alaska
E75L
1:44 PM
MDT
2:42 PM
MDT
0h 58m
M T W T F S S
Prices
DL3919
DL Delta
E7W
5:49 PM
MDT
7:05 PM
MDT
1h 16m
M T W T F S S
Prices
AS3056
AS Alaska
E75
6:11 PM
MDT
7:22 PM
MDT
1h 11m
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 Pasco
3 carriers, 45 flights/week nonstop.
3 Airlines 45 Flights/wk 172 mi 0h 59m nonstop 10 1-stop hubs

SEA–PSC is served by 3 airlines with nonstop service. Delta Air Lines, Alaska Airlines and Air France lead the route. The flight covers 172 miles in approximately 0h 59m. Beyond nonstop, 10 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SEA–PSC service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines 21 E75L, E75S, E7W 1h01-1h07 78% SkyTeam
AS Alaska Airlines 20 E75, E75L 0h59-1h04 78% Oneworld
AF Air France 4 E7W 1h07 78% SkyTeam
Aircraft on this route
E75 Embraer E175 – AS
E75L Embraer E175 Long Wing – AS, DL
E75S Embraer E175 STD – DL
E7W Embraer E175 – AF, DL
Alliance coverage
SkyTeam: AF + DL (25 flights/wk, 56%)
Oneworld: AS (20 flights/wk, 44%)
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 PSC direction.
Mon
8
flights
Tue
5
flights
Wed
6
flights
Thu
6
flights
Fri
7
flights
Sat
5
flights
Sun
8
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
8
Nonstop flights
45
Outbound / wk
69
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to PSC.
1-STOP
One-Stop Connections
10
Hubs
~11h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
708
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 → PSC
78%
Generally reliable. Most flights run on time.
Departing
78%
Return
PSC → SEA
57%
Frequent delays expected. Consider flexible booking.
Arriving
57%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →

Other ways to reach Pasco from Seattle

Nearby airports with service to Tri Cities Airport.
Metric SEA→PSC BFI→PSC
Distance from SEA 5 mi
Nonstop airlines 3 1
Weekly flights 45
Flight time 0h 59m 0h 52m
Departure OTP 78%
Airports within 200 miles of SEA with service to Tri Cities Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Pasco is 0 hours the same as Seattle.
SEA: MDT · PSC: MDT

When it's 6:00 PM in Seattle, it's 6:00 PM in Pasco.
Distance & Flight Time
172 mi / 276 km
Nonstop flight time is approximately 0h 59m to 1h 7m.
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–PSC Quick Facts

Key statistics for the Seattle to Pasco route.
Route details
Distance172 mi / 276 km
Flight time0h 59m to 1h 7m
Time difference0 hours
Airlines (nonstop)3
Weekly flights45 out / 69 return
1-stop connections10 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: PSC
IATA / ICAOPSC / KPSC
TimezoneAmerica/Boise
Passengers/yr1.0M
Elevation410 ft / 125 m

Frequently Asked Questions

Common questions about SEA to PSC flights.
Nonstop flights from Seattle–Tacoma International Airport to Tri Cities Airport take approximately 0h 59m to 1h 7m. The route covers 172 miles.
3 airlines operate nonstop service: Air France, Alaska Airlines and Delta Air Lines.
There are approximately 45 nonstop flights per week from SEA to PSC. The return direction has about 69 weekly flights.
Yes, 1-stop connections are available through IAD, MSP, LAX, SLC, DEN, SFO, SNA, LAS, PHX and BUR. These options provide additional schedule flexibility.
Yes, return flights from PSC to SEA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BFI. 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 SEA to PSC

Seattle–Tacoma International Airport (SEA) and Tri Cities Airport (PSC) are connected by nonstop service from Air France, Alaska Airlines and Delta Air Lines. With 45 weekly departures, this is a heavily served route.

SEA to PSC Flight Duration and Schedule

Nonstop flight time from SEA to PSC ranges from 0 hours 59 minutes to 1 hours 7 minutes. The route covers a distance of 172 miles (276 km). There are approximately 45 weekly flights outbound and 69 return, totaling 114 flights per week in both directions.

Connecting Options and Alternatives

10 one-stop connections are available, with the fastest taking approximately 11 hours via IAD. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI).