Cheapest one-way
$ 112.00
X4 · Nonstop · 0 hr 50 min
One-way tickets on PDX–SEA recently started around $ 112.00.
Flights from Portland to Seattle
Looking for cheap flights from Portland to Seattle? Fares on the PDX–SEA corridor have started around $ 223.00; review the latest prices, carriers and travel times here.
Portland to Seattle flights overview
On the latest Portland to Seattle searches, the cheapest ticket BookingTrolley recorded was $ 223.00. Based on this route's seasonal pattern, fares average roughly $ 230.00 over the year. Nov tends to be the cheapest month to fly (around $ 192.00), while Jun is usually the most expensive at about $ 285.00 — a swing of roughly 48%.
The fastest nonstop Portland to Seattle flights cover about 208 km in roughly 0 hr 50 min. BookingTrolley found 4 airlines currently compete on the PDX–SEA corridor, with X4 posting one of the lowest fares at $ 223.00. 2 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
Frequently asked questions about flying from Portland to Seattle
Tuesday and Wednesday are typically the cheapest days to fly from Portland to Seattle. According to BookingTrolley fare data on the Portland to Seattle route (PDX–SEA), round-trip tickets started at $ 223.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Portland to Seattle are X4 (from $ 223.00), Alaska Airlines (from $ 230.00), United Airlines (from $ 518.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Portland to Seattle started at $ 223.00 round trip on a nonstop itinerary on X4, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
A nonstop flight from Portland to Seattle takes about 0 hr 50 min in the air on the fastest outbound leg, based on BookingTrolley itinerary data from recent searches. Connecting flights add layover time and can extend total travel to a full day or more.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Portland to Seattle route (PDX–SEA), round-trip tickets started at $ 223.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Portland to Seattle.
Use BookingTrolley's flexible-date comparison for Portland (PDX) to Seattle (SEA) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
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Explore fares from Portland, into Seattle, and on related corridors with BookingTrolley.
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