Portland to Seattle Flights
The Portland to Seattle route connects Portland International Airport (PDX) in US with Seattle–Tacoma International Airport (SEA) in US. This short-haul flight covers approximately 129 miles (208 km) with a typical flight time of 29m. This route is served by 9 airlines: SkyWest, Horizon, Alaska Airlines and others. AirportRoutes has tracked 54 unique flight numbers on this route.
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About This Route
Route Overview
The Portland (PDX) → Seattle (SEA) air route spans 129 miles (208 km), linking two of the Pacific Northwest’s largest business and leisure hubs. Typical gate-to-gate time is about 45–60 minutes, though the actual airborne portion is often shorter. Travelers choose this hop for same-day meetings, quick weekend getaways, and easy connections through Seattle’s larger flight network. It’s also a practical alternative when I-5 traffic or winter road conditions make driving less predictable. With frequent daily departures on major carriers, the route offers flexibility for early-morning starts and late returns. Expect scenic views on clear days, including glimpses of the Cascades and Puget Sound as you approach Seattle.
Travel Tips
Book early for the best fares—this short route can spike in price close to departure, especially on weekdays; compare one-way options and watch for sales in the $79–$199 USD range depending on timing. At PDX, use the MAX Red Line or short-term parking for quick access; security lines are often manageable but still allow time for morning peaks. At SEA, plan for longer walks and potential train transfers between concourses, and consider an ORCA card or Link light rail for downtown. Flights are brief, so pack essentials in a personal item and expect limited onboard service. Light turbulence is common over the region’s terrain; choose an aisle if you prefer easier movement.
Destination Highlights
Seattle pairs waterfront energy with neighborhood culture, making it ideal for a compact visit. Start at Pike Place Market for local produce, flowers, and iconic seafood counters, then walk the waterfront for ferries and views across Elliott Bay. The Space Needle and Chihuly Garden and Glass deliver classic skyline moments, while the Museum of Pop Culture (MoPOP) spotlights music and film history. For a more local feel, explore Capitol Hill for cafés and nightlife, Ballard for breweries and Nordic heritage, and Fremont for quirky art and shops. Don’t miss Seattle’s signature flavors: espresso culture, salmon, Dungeness crab, and teriyaki—plus craft beer and cider throughout the city.
Best Time to Fly
Late spring through early fall—especially May to September—offers the most reliable weather and clear views, with warmer, drier days in Seattle. July and August are peak season, often bringing higher fares and fuller flights. For better pricing and fewer crowds, aim for April–May or September–October, when conditions are still pleasant. Winter (roughly November–February) can be wetter with occasional disruptions from wind or low clouds, though deals are more common. Notable demand bumps occur around Seafair (August) and major holiday travel periods.
Airport Information
Departure Airport
Portland International Airport
- ICAO Code:
KPDX- IATA Code:
PDX- City:
- 🇺🇸 Portland
- Country:
- US
- Elevation:
- 31 ft
Destination Airport
Seattle–Tacoma International Airport
- ICAO Code:
KSEA- IATA Code:
SEA- City:
- 🇺🇸 Seattle
- Country:
- US
- Elevation:
- 433 ft
Route Statistics
9
Operators54
Tracked Flights129
Miles29m
Flight DurationRoute Map
Operating Airlines
| Airline | ICAO | IATA |
|---|---|---|
| SkyWest |
SKW
|
OO
|
| Horizon |
QXE
|
QX
|
| Alaska Airlines |
ASA
|
AS
|
| Delta Air Lines |
DAL
|
DL
|
| PenAir |
NLA
|
-
|
| ABX Air |
ABX
|
GB
|
| Envoy Air |
ENY
|
MQ
|
| Sun Country Airlines |
SCX
|
SY
|
| United |
UAL
|
UA
|
Flight Schedule Pattern
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 65 | 13% |
|
| Tuesday | 66 | 13% |
|
| Wednesday | 84 | 17% |
|
| Thursday | 73 | 14% |
|
| Friday | 78 | 15% |
|
| Saturday | 66 | 13% |
|
| Sunday | 75 | 15% |
|
Pattern Analysis
API observations used to build this analysis
Weekend: 141 flights
All Flight Routes
9 Routes| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
ABX Air
ABX
/ GB
|
B762 | 18:12 6:12 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active | |
|
Alaska Airlines
ASA
/ AS
|
|
B739 | 05:00 5:00 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active |
|
Delta Air Lines
DAL
/ DL
|
BCS3 | 07:15 7:15 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active | |
|
Envoy Air
ENY
/ MQ
|
E170 | 00:10 12:10 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active | |
|
Horizon
QXE
/ QX
|
|
E75L | 06:00 6:00 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active |
|
PenAir
NLA
|
- | E75L | - |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active |
|
SkyWest
SKW
/ OO
|
|
E75L | 05:30 5:30 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active |
|
Sun Country Airlines
SCX
/ SY
|
B738 | 11:10 11:10 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active | |
|
United
UAL
/ UA
|
B38M | 23:05 11:05 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 1, 2026 | Active |
Spotted Departure Times
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 00:10 12:10 AM | Envoy Air |
ENY
|
MQ
|
| 05:00 5:00 AM | Alaska Airlines |
ASA
|
AS
|
| 05:30 5:30 AM | SkyWest |
SKW
|
OO
|
| 06:00 6:00 AM | Horizon |
QXE
|
QX
|
| 07:15 7:15 AM | Delta Air Lines |
DAL
|
DL
|
| 11:10 11:10 AM | Sun Country Airlines |
SCX
|
SY
|
| 18:12 6:12 PM | ABX Air |
ABX
|
GB
|
| 23:05 11:05 PM | United |
UAL
|
UA
|
Time Information
Times are shown in the departure airport's local timezone (UTC).
00:10 - 23:05