
Book Cheap Delta flight from Portland (PDX) to Seattle (SEA) from CA $87
Find The Best Day to Book a Cheap Delta Flights From Portland to Seattle
Cheapest Delta Flights from Portland (PDX) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $114 round trip and CA $87 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great Delta flight from PDX to SEA
To find a great deal on Delta flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Delta Portland to Seattle gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Delta between Portland and Seattle
Delta has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Portland to Seattle with Delta are December.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Delta flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
| DTW | USA | Detroit Metropolitan Wayne County | 156 |
| MSP | USA | Minneapolis - St. Paul Intl. | 131 |
| SLC | USA | Salt Lake City Intl. | 116 |
| SEA | USA | Seattle - Tacoma Intl. | 57 |
| LAX | USA | Los Angeles Intl. | 41 |
| AMS | NLD | Schiphol | 31 |
| YYC | CAN | Calgary Intl. | 26 |
| YYZ | CAN | Pearson Intl. | 24 |
| JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
We stayed one night after arriving late at night on an international flight. The shuttle bus arrived within 10 minutes after my call. The hotel is close to the airport so it was a quick ride. Check-in was easy and the staff were friendly. The beds were comfortable, the room was clean and the shower ...
Reviewed on Nov 8, 2025

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Property was close to airport and quick access
Reviewed on Nov 6, 2025

SureStay Hotel by Best Western SeaTac Airport North
Just what we needed, perfect being right by airport, wasn’t booked went last minute not realizing how long our layover was. Staff was great, super easy with a shuttle going out every 15 mins to airport 24/7 exactly what we needed to make it to our flight on time!! Vending machines saved us in middle ...
Reviewed on Nov 7, 2025
Want more than a(n) Delta Flight from Portland to Seattle?
Popular Delta Flight Routes from PDX
Top Delta Flight Routes from SEA
Domestic
- Seattle to Delhi (SEA - DEL)
- Montreal to Fort Lauderdale (YUL - FLL)
- Toronto to Fort Lauderdale (YYZ - FLL)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Lisbon (YYZ - LIS)
- Toronto to New York (YYZ - JFK)
- Montreal to Delhi (YUL - DEL)
- Toronto to Istanbul (YYZ - IST)
- Toronto to Orlando (YYZ - MCO)
- Vancouver to Delhi (YVR - DEL)
International
- Toronto to Dubai (YYZ - DXB)
- Toronto to Orlando (YYZ - MCO)
- Montreal to Casablanca (YUL - CMN)
- Montreal to Delhi (YUL - DEL)
- Toronto to New York (YYZ - LGA)
- Toronto to Lisbon (YYZ - LIS)
- Montreal to Paris (YUL - CDG)
- Toronto to Mumbai (YYZ - BOM)
- Toronto to New York (YYZ - JFK)
- Calgary to Delhi (YYC - DEL)
Most Popular
- Flights from Vancouver (YVR) to Palm Springs (PSP)
- Flights from Vancouver (YVR) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Dallas (DFW)
- WestJet Vancouver (YVR) to Las Vegas (LAS) flights
- Flights from Montreal (YUL) to Fort Lauderdale (FLL)
- Flights from Buffalo (BUF) to Dallas (DFW)
- Flights from Vancouver (YVR) to Fort Lauderdale (FLL)
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- JetBlue Airways Buffalo (BUF) to Boston (BOS) flights
- Flights from Detroit (DTW) to Fort Lauderdale (FLL)
- Flights from Fort Lauderdale (FLL) to Toronto (YYZ)
- Flights from Vancouver (YVR) to San Diego (SAN)
- Flights from Vancouver (YVR) to Dallas (DFW)
- Flights from Toronto (YYZ) to Dallas (DFW)
- JetBlue Airways Buffalo (BUF) to Fort Lauderdale (FLL) flights
- Porter Airlines Toronto (YTZ) to Philadelphia (PHL) flights
- Air Canada Toronto (YYZ) to Las Vegas (LAS) flights
- WestJet Edmonton (YEG) to Las Vegas (LAS) flights
- Flights from Pearson Intl. to NYC-All Airports
- Flights from Toronto (YYZ) to Philadelphia (PHL)
- Swoop Edmonton (YEG) to Las Vegas (LAS) flights
- Flights from St. Louis (STL) to Gulf Shores (GUF)
- Air Canada Toronto (YYZ) to Fort Lauderdale (FLL) flights
- Flights from Toronto (YYZ) to Las Vegas (LAS)
- Air Canada Montreal (YUL) to Las Vegas (LAS) flights
- Swoop Abbotsford (YXX) to Las Vegas (LAS) flights
- Spirit Airlines Niagara Falls (IAG) to Fort Lauderdale (FLL) flights
- Flights from Toronto (YYZ) to Boston (BOS)
- Air Canada Toronto (YYZ) to San Diego (SAN) flights
- Delta Buffalo (BUF) to Las Vegas (LAS) flights
