£136 Cheap Flights from Chattanooga (CHA) to Seattle (SEA)

View £136 flight on Mon, 15 Sep 2025Opens in a new window

Popular airlines from Chattanooga Metropolitan Airport (CHA) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Chattanooga (CHA) to Seattle (SEA)

Prices were available within the past 7 days and start at £136 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Chattanooga (CHA) to Seattle (SEA)

August is typically the cheapest month to fly

From £146 - £362 per traveller.

Graph displaying average flight prices per month

Flight from Chattanooga to Seattle route information
Origin airport
Chattanooga Metropolitan
Destination airport
Seattle - Tacoma Intl.
Distance
3335 km

Compare flights from Chattanooga to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chattanooga to Seattle. Operating between them flights per day, 5 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Chattanooga Metropolitan to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Chattanooga Metropolitan (CHA) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Chattanooga to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Chattanooga Metropolitan to Seattle - Tacoma Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chattanooga and Seattle
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chattanooga to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Chattanooga Metropolitan to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from CHA to Seattle - Tacoma Intl. Airport (SEA)?
If you're travelling between CHA and Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chattanooga Metropolitan Airport (CHA) to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Chattanooga Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chattanooga Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Chattanooga Metropolitan Airport (CHA) to Sea-Tac Airport?
There are lots of ways to make the 6 hours and 47 minutes between Chattanooga Metropolitan Airport (CHA) and Sea-Tac Airport fly by. Be productive and sort through your camera roll or delete all those backed-up emails. A nice snooze also helps pass the time!
How far is the flight from CHA to Sea-Tac Airport?
Expect to be in the air for a while, as the flight distance between Chattanooga Metropolitan Airport (CHA) and Sea-Tac Airport is 3,400 kilometres. Create a playlist of your favourite songs before leaving home to keep yourself entertained during the journey.
Which airlines fly direct from Chattanooga Airport to SEA?
Flying directly between Chattanooga Metropolitan Airport (CHA) and Sea-Tac Airport isn't possible at the moment. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are Chattanooga Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap fares from Chattanooga Metropolitan Airport (CHA) to SEA appearing a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.

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