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$189+ Cheap flights from Chattanooga to Seattle (CHA - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — SEA
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Chattanooga Lovell Field to Seattle/Tacoma Intl are usually found in February or April, booked 18 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Chattanooga to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2025.

Round-trip from

$309
(American Airlines)

One-way from

$189
(Delta)

Popular in

May

Cheapest in

February

Average price

$455
From Chattanooga Lovell Field to Seattle/Tacoma Intl
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One-way flight from Chattanooga Lovell Field to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Chattanooga to Seattle

Cheapest flights from Chattanooga to Seattle
Explore the most affordable flight options available from Chattanooga to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:54 amCHA - SEA
1 stop7h 15mDelta
Sun 10/511:20 pmSEA - CHA
1 stop6h 47mDelta
Deal found 8/12$309
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:18 pmCHA - SEA
1 stop8h 47mAmerican Airlines
Sat 10/46:28 amSEA - CHA
1 stop9h 25mAmerican Airlines
Deal found 8/12$310
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amCHA - SEA
2 stops14h 49mUnited Airlines
Wed 9/1011:54 pmSEA - CHA
1 stop8h 42mUnited Airlines
Deal found 8/11$314
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:16 pmCHA - SEA
1 stop7h 58mAmerican Airlines
Sat 11/2212:59 amSEA - CHA
1 stop7h 32mAmerican Airlines
Deal found 8/10$339
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:40 pmCHA - SEA
1 stop8h 19mDelta
Fri 9/1211:20 pmSEA - CHA
1 stop7h 54mDelta
Deal found 8/11$343
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:40 pmCHA - SEA
1 stop8h 19mDelta
Wed 9/109:45 pmSEA - CHA
1 stop8h 13mDelta
Deal found 8/11$368
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:59 pmCHA - SEA
1 stop10h 28mAmerican Airlines
Mon 10/1310:01 pmSEA - CHA
1 stop8h 51mAmerican Airlines
Deal found 8/11$369
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:00 pmCHA - SEA
1 stop10h 16mDelta
Fri 9/199:45 pmSEA - CHA
1 stop9h 29mDelta
Deal found 8/12$374
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:40 pmCHA - SEA
1 stop8h 19mDelta
Fri 9/1211:20 pmSEA - CHA
1 stop6h 38mDelta
Deal found 8/11$377
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:12 amCHA - SEA
1 stop8h 05mAmerican Airlines
Thu 9/45:26 amSEA - CHA
1 stop7h 29mAmerican Airlines
Deal found 8/11$384
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:31 pmCHA - SEA
1 stop8h 23mDelta
Mon 9/154:05 pmSEA - CHA
2 stops13h 53mDelta
Deal found 8/11$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Chattanooga to Seattle that are best for you.

Fly from

Chattanooga

Fly to

Seattle

Route

Depart

Return

Price

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Sat 11/15

5:15 am-1:10 pm

1 stop10h 55m

Seattle/Tacoma Intl

Sat 11/22

11:42 am-11:06 pm

1 stop8h 24m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Fri 9/26

6:31 pm-11:54 pm

1 stop8h 23m

Seattle/Tacoma Intl

Sun 10/5

11:20 pm-9:07 am

1 stop6h 47m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Sat 9/13

2:18 pm-8:05 pm

1 stop8h 47m

Seattle/Tacoma Intl

Tue 9/16

8:34 am-9:17 pm

1 stop9h 43m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Thu 9/4

6:40 pm-11:59 pm

1 stop8h 19m

Seattle/Tacoma Intl

Wed 9/10

9:45 pm-8:58 am

1 stop8h 13m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Wed 10/1

12:14 pm-4:53 pm

1 stop7h 39m

Seattle/Tacoma Intl

Mon 10/6

11:56 pm-12:19 pm

1 stop9h 23m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Thu 10/2

5:54 am-12:04 pm

1 stop9h 10m

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-10:30 am

1 stop8h 20m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Wed 10/22

2:14 pm-8:10 pm

1 stop8h 56m

Seattle/Tacoma Intl

Sat 10/25

7:44 am-7:53 pm

1 stop9h 09m

$309

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Sat 9/6

6:26 pm-11:59 pm

1 stop8h 33m

$189

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Thu 9/4

6:40 pm-11:59 pm

1 stop8h 19m

$189

ChattanoogaSeattle

CHA - SEA

CHASEA

Chattanooga Lovell Field

Mon 9/8

3:00 pm-8:10 pm

1 stop8h 10m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 16 results
1
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Best time to book a flight from Chattanooga to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Chattanooga with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chattanooga to Seattle

How far ahead should I book a flight from Chattanooga to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Chattanooga to Seattle. Price data was last updated on August 8, 2025.

Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chattanooga to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chattanooga to Seattle?

Currently, January is the cheapest month in which you can book a flight from Chattanooga to Seattle (average of $238). Flying from Chattanooga to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHA to SEA?

Find hourly flight availability from Chattanooga to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Chattanooga to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 9% versus a flight at noon.

What is the cheapest day to fly from Chattanooga to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Chattanooga to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chattanooga to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated August 13, 2025.
Read through reviews of airlines operating flights from Chattanooga to Seattle, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Chattanooga to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chattanooga to Seattle round-trip?

    According to our current data, Delta ($309), American Airlines ($310), and United Airlines ($314) offers the cheapest pricing from Chattanooga to Seattle. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Chattanooga to Seattle that include hotel bookings?

    Yes. In addition to deals on Chattanooga to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chattanooga to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chattanooga to Seattle.

  • Can I find deals for business class flights from Chattanooga to Seattle?

    Yes. Cheapflights offers flight deals from Chattanooga to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chattanooga to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Chattanooga to Seattle (average of $238). Flying from Chattanooga to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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Top 3 airlines flying from Chattanooga to Seattle

Discover the top 3 airlines that operate flights from Chattanooga to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$466FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$302Average$530FlexibilityNo cancel feeOn-time71%

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