Popular airlines from Swindon to Seattle, WA (SEA-Seattle - Tacoma Intl.)
Alaska AirlinesAlaska Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
Frontier AirlinesFrontier Airlines
Air CanadaAir Canada
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Swindon to Seattle, WA (SEA-Seattle - Tacoma Intl.)
- Spokane (GEG) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Wed, Dec 31 at 7:00am from Spokane, arriving at 8:24am in Seattle.Returning on Sun, Jan 4 at 5:40pm from Seattle, arriving at 6:48pm in Spokane.Select Alaska Airlines flight departing on Wed, Dec 31 at 7:00am from Spokane, returning on Sun, Jan 4 at 5:40pm from Seattle priced at $17755% less than typical$177
- San Diego (SAN) to Seattle (SEA).Delta, nonstop.Departing on Sun, Jan 18 at 11:00am from San Diego, arriving at 2:15pm in Seattle.Returning on Thu, Jan 22 at 10:10am from Seattle, arriving at 3:25pm in San Diego.Select Delta flight departing on Sun, Jan 18 at 11:00am from San Diego, returning on Thu, Jan 22 at 10:10am from Seattle priced at $12960% less than typical$129
- Santa Ana (SNA) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Tue, Dec 23 at 10:13am from Santa Ana, arriving at 1:19pm in Seattle.Returning on Sun, Jan 4 at 11:15pm from Seattle, arriving on Mon, Jan 5 at 9:25am in Santa Ana.Select Alaska Airlines flight departing on Tue, Dec 23 at 10:13am from Santa Ana, returning on Sun, Jan 4 at 11:15pm from Seattle priced at $32735% less than typical$327
- Sacramento (SMF) to Seattle (SEA).Southwest Airlines, nonstop.Departing on Thu, Dec 25 at 7:50pm from Sacramento, arriving at 9:50pm in Seattle.Returning on Sun, Jan 4 at 10:10pm from Seattle, arriving on Mon, Jan 5 at 12:04am in Sacramento.Select Southwest Airlines flight departing on Thu, Dec 25 at 7:50pm from Sacramento, returning on Sun, Jan 4 at 10:10pm from Seattle priced at $25740% less than typical$257
- Spokane (GEG) to Seattle (SEA).Delta, nonstop.Departing on Tue, Dec 30 at 7:23pm from Spokane, arriving at 8:50pm in Seattle.Returning on Sat, Jan 3 at 10:55pm from Seattle, arriving on Sun, Jan 4 at 12:04am in Spokane.Select Delta flight departing on Tue, Dec 30 at 7:23pm from Spokane, returning on Sat, Jan 3 at 10:55pm from Seattle priced at $15750% less than typical$157
- Santa Ana (SNA) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Sun, Dec 28 at 9:24pm from Santa Ana, arriving on Mon, Dec 29 at 12:21am in Seattle.Returning on Sun, Jan 4 at 11:15pm from Seattle, arriving on Mon, Jan 5 at 9:25am in Santa Ana.Select Alaska Airlines flight departing on Sun, Dec 28 at 9:24pm from Santa Ana, returning on Sun, Jan 4 at 11:15pm from Seattle priced at $36730% less than typical$367
- Santa Ana (SNA) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Jan 15 at 12:33pm from Santa Ana, arriving at 3:33pm in Seattle.Returning on Mon, Jan 19 at 7:15am from Seattle, arriving at 10:05am in Santa Ana.Select Alaska Airlines flight departing on Thu, Jan 15 at 12:33pm from Santa Ana, returning on Mon, Jan 19 at 7:15am from Seattle priced at $9965% less than typical$99
- Santa Ana (SNA) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Jan 15 at 3:35pm from Santa Ana, arriving at 6:34pm in Seattle.Returning on Mon, Jan 19 at 5:16pm from Seattle, arriving at 7:59pm in Santa Ana.Select Alaska Airlines flight departing on Thu, Jan 15 at 3:35pm from Santa Ana, returning on Mon, Jan 19 at 5:16pm from Seattle priced at $9965% less than typical$99
- Spokane (GEG) to Seattle (SEA).Delta, nonstop.Departing on Thu, Jan 15 at 7:25pm from Spokane, arriving at 8:46pm in Seattle.Returning on Mon, Jan 19 at 11:25am from Seattle, arriving at 12:37pm in Spokane.Select Delta flight departing on Thu, Jan 15 at 7:25pm from Spokane, returning on Mon, Jan 19 at 11:25am from Seattle priced at $9960% less than typical$99
Origin airport | SWI-All Airports |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Distance | 4744 mi |
Swindon to Seattle Flights
The cheapest times to fly from Swindon to Seattle
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Swindon to Seattle are during the month of . You can find some of the cheapest flights from Swindon to Seattle with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Swindon to Seattle
Sunday is one of the best days to book for cheap flights from Swindon to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Swindon to Seattle
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Swindon to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Swindon to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Swindon to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.