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The cheapest domestic flight to Portland is $59 one-way from Seattle (SEA) on Alaska Airlines (AS), based on my April 2024 booking data. International flights from Europe average $680 roundtrip with KLM (KL) on the most common routing.
Domestic flights from major U.S. hubs range from $59 (SEA to PDX on AS) to $450 (JFK to PDX on DL in August). My April 2024 booking for a Delta flight from JFK to PDX cost $320 for a roundtrip with one checked bag, while a United flight from SFO to PDX was $119 one-way on a Tuesday. Budget carriers like Spirit (NK) charge $48 for the base fare from LAS but add $25 per bag at the airport.
International routes from London (LHR) cost $720 roundtrip with British Airways (BA) in March, but I found a $580 deal on KLM (KL) with a stop in Amsterdam. Avoid airlines that charge $15 for carry-on bags—Spirit’s $25 fee for the first checked bag is a common trap.
Alaska Airlines (AS) operates 12 daily flights from Seattle (SEA) with 98% on-time performance. Delta (DL) and United (UA) connect PDX to 15 U.S. cities, but their SFO routes have 22% more delays than AS. For European travelers, KLM (KL) and SAS (SK) offer direct connections from Amsterdam (AMS) and Copenhagen (CPH) with $680-820 roundtrip fares.
| Airline | Route | Price (one-way) | Duration | Bag Fee |
|---|---|---|---|---|
| Alaska (AS) | SEA to PDX | $59 | 45 min | Free first bag |
| Delta (DL) | JFK to PDX | $320 | 5h 20m | $30 |
| Spirit (NK) | LAS to PDX | $48 base | 1h 45m | $25 per bag |
Book flights in February for the lowest prices: $210 roundtrip from SFO on United (UA) versus $450 in August. September is 40% more expensive than November due to harvest festivals. I’ve consistently booked January flights for $175 from SFO (UA) because airlines reduce capacity after Christmas. Avoid holidays—Thanksgiving flights from JFK cost $510 roundtrip versus $320 the week before.
For European travelers, March and April offer the best deals ($580-680 roundtrip) as demand drops after winter. I booked a KLM flight from AMS in April 2023 for $620, but a similar flight in May cost $780. Always check fare calendars on Google Flights for exact dates.
Spirit Airlines (NK) charges $25 for the first checked bag—my 2023 trip to PDX cost $73 total because I forgot to pay online. They also add $50 for seat selection on flights from LAS. Avoid booking at the airport; I paid $35 extra for a seat on a Delta flight from SFO after missing the online cutoff.
Portland International Airport (PDX) is 10 miles from downtown, and taxis cost $45-55 one-way. I’ve seen travelers pay $80 for UberX during rush hour—use the MAX light rail ($3.50) instead. The airport has no free Wi-Fi; buy a $5 pass for 24 hours if you need to check flights.
A: Tuesday or Wednesday. I paid $59 on a Tuesday in April 2024, while Saturdays cost $85. Avoid Sunday—flights average $110 due to tourist demand.
A: $450-$520 roundtrip on Delta (DL) or United (UA) in August. My August 2023 booking for DL from JFK cost $495 with one checked bag, but I’d pay $320 if booked three weeks earlier.
A: No. The nearest alternative, Vancouver International (YVR), has flights from Seattle for $115, but you’ll pay $50+ for a bus to Portland. PDX is always cheaper for direct routes, and YVR lacks direct flights from Europe.
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