
Popular airlines from Swindon to Seattle, WA (SEA-Seattle - Tacoma Intl.)
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Air Canada
Air 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.)
- Sacramento (SMF) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Jan 15 at 1:16pm from Sacramento, arriving at 3:20pm in Seattle.Returning on Mon, Jan 19 at 8:25am from Seattle, arriving at 12:22pm in Sacramento.Select Alaska Airlines flight departing on Thu, Jan 15 at 1:16pm from Sacramento, returning on Mon, Jan 19 at 8:25am from Seattle priced at $16780% less than typical$167
- Sacramento (SMF) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Sun, Jan 11 at 7:00am from Sacramento, arriving at 9:07am in Seattle.Returning on Wed, Jan 14 at 12:07pm from Seattle, arriving at 2:05pm in Sacramento.Select Alaska Airlines flight departing on Sun, Jan 11 at 7:00am from Sacramento, returning on Wed, Jan 14 at 12:07pm from Seattle priced at $11775% less than typical$117
- Sacramento (SMF) to Seattle (SEA).Southwest Airlines, nonstop.Departing on Mon, Jan 12 at 7:50pm from Sacramento, arriving at 9:50pm in Seattle.Returning on Fri, Jan 16 at 6:05am from Seattle, arriving at 7:55am in Sacramento.Select Southwest Airlines flight departing on Mon, Jan 12 at 7:50pm from Sacramento, returning on Fri, Jan 16 at 6:05am from Seattle priced at $13770% less than typical$137
- Sacramento (SMF) to Seattle (SEA).Southwest Airlines, nonstop.Departing on Thu, Jan 15 at 5:55am from Sacramento, arriving at 7:55am in Seattle.Returning on Mon, Jan 19 at 8:25am from Seattle, arriving at 12:22pm in Sacramento.Select Southwest Airlines flight departing on Thu, Jan 15 at 5:55am from Sacramento, returning on Mon, Jan 19 at 8:25am from Seattle priced at $16760% less than typical$167
- Sacramento (SMF) to Seattle (SEA).Southwest Airlines, nonstop.Departing on Thu, Jan 15 at 8:30pm from Sacramento, arriving at 10:30pm in Seattle.Returning on Mon, Jan 19 at 8:25am from Seattle, arriving at 12:22pm in Sacramento.Select Southwest Airlines flight departing on Thu, Jan 15 at 8:30pm from Sacramento, returning on Mon, Jan 19 at 8:25am from Seattle priced at $16760% less than typical$167
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Dec 25 at 7:04am from Baltimore, arriving at 9:55am in Seattle.Returning on Thu, Jan 1 at 7:30pm from Seattle, arriving on Fri, Jan 2 at 5:45am in Baltimore.Select Alaska Airlines flight departing on Thu, Dec 25 at 7:04am from Baltimore, returning on Thu, Jan 1 at 7:30pm from Seattle priced at $46930% less than typical$469
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Dec 25 at 7:04am from Baltimore, arriving at 9:55am in Seattle.Returning on Mon, Jan 5 at 10:13pm from Seattle, arriving on Tue, Jan 6 at 10:19am in Baltimore.Select Alaska Airlines flight departing on Thu, Dec 25 at 7:04am from Baltimore, returning on Mon, Jan 5 at 10:13pm from Seattle priced at $42935% less than typical$429
- Sacramento (SMF) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Sat, Jan 10 at 1:16pm from Sacramento, arriving at 3:20pm in Seattle.Returning on Tue, Jan 13 at 6:10pm from Seattle, arriving at 8:03pm in Sacramento.Select Alaska Airlines flight departing on Sat, Jan 10 at 1:16pm from Sacramento, returning on Tue, Jan 13 at 6:10pm from Seattle priced at $11770% less than typical$117
- Tokyo (HND) to Seattle (SEA).Delta, nonstop.Departing on Wed, Dec 24 at 4:50pm from Tokyo, arriving at 8:45am in Seattle.Returning on Tue, Dec 30 at 10:35am from Seattle, arriving on Wed, Dec 31 at 2:05pm in Tokyo.Select Delta flight departing on Wed, Dec 24 at 4:50pm from Tokyo, returning on Tue, Dec 30 at 10:35am from Seattle priced at $61630% less than typical$616
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.