PDX
SEA
Round-trip flights from Portland to SeaTac starting at $117. Book now for the best deals!
One-way flights from Portland to SeaTac starting at $49. Great for flexible travel!
Tuesday is the cheapest day to fly from Portland to SeaTac. Save more by booking on this day!
Mar 2025 is the cheapest month to fly from Portland to SeaTac with prices starting at $68.
ONEWAY FLIGHTS
LAST MINUTE
CHEAP FLIGHTS
BEST FLIGHTS
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
Portland
PDX - Portland • 2025-10-14 • 09:00
Unknown
60 min
Unknown City
Non-stop • 60 min
If your flying dates are flexible, consider flying to SeaTac on a Tuesday.
Best time to book flights from Portland to SeaTac is during August.
SeaTac experiences a temperate maritime climate, with average temperatures ranging from 35°F (2°C) in winter to 75°F (24°C) in summer, characterized by wet winters and mild, dry summers. The best times for comfortable travel are late spring (May to early June) and early fall (September to October), when temperatures are moderate and rainfall is less frequent.
The best time to visit SeaTac is from late spring to early fall (May to September) when the weather is mild and pleasant, ideal for outdoor activities. Additionally, plan your visit around local events like the Seattle International Film Festival in May or the Washington State Fair in September for an enriching experience.
Flight prices start from $49 for this route. Save more by booking during August and choosing Tuesday departures.
The typical flight time is approximately 10-15 hours, with most routes featuring one stopover for better pricing and convenience.
Several airlines operate flights including Hawaiian Airlines, Spirit Airlines, Delta Air Lines. Compare schedules and prices to find the best option for your travel needs.
For optimal savings, book 2-3 months ahead and consider traveling during August when demand is lower.
There are several hotels near SEA Airport with convenient shuttle services. Many offer comfortable accommodations for both business and leisure travelers.
SeaTac combines rich cultural heritage with modern attractions. Visit during pleasant weather months to experience the city at its best.
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