Trip.com
>
Flights
>
Flights to United States
>
Flights to Washington
>
Flights to Seattle
Hotels in Seattle
>
Flights from Chattanooga to Seattle

What to know about flights from Chattanooga to Seattle?

The distance between Chattanooga and Seattle is approximately 3,354.86 km. Based on Trip.com's data, travel demand peaks in December.

Cheapest one-way
$312
Delta Air Lines Delta Air Lines CHA-SEA 8h 27m · 1 stop Tue, Oct 20
Select flight
Cheapest round-trip
$346
Delta Air Lines Delta Air Lines CHA-SEA 7h 52m · 2 stops Wed, Nov 4 - Wed, Nov 11
Select flight
Recommended airlines
Delta Air Lines Delta Air LinesCheapest· From $312 Delta Air Lines Delta Air LinesMost booked
When to travel
September
Cheapest
December
Peak season for travel
Route details
3,354.86 km
Flight distance

Explore the cheapest one-way and round-trip flights from Chattanooga to Seattle over the next 90 days, with one-way fares from $312 and round-trip from $346. Based on Trip.com's latest 7-day flight data.

    • CHA 7:00 PM
      7h 52m
      1 stop
      SEA 11:52 PM
      Chattanooga - Seattle | Wed, Nov 4 | Delta Air Lines
      SEA 10:35 PM
      9h 3m
      1 stop
      CHA 10:38 AM
      Seattle - Chattanooga | Wed, Nov 11 | Delta Air Lines
      $346 $466
      26% off
      26% off
      $466 $346
    • CHA 2:50 PM
      10h 13m
      1 stop
      SEA 10:03 PM
      Chattanooga - Seattle | Thu, Oct 29 | Delta Air Lines
      SEA 10:35 PM
      7h 46m
      1 stop
      CHA 9:21 AM
      Seattle - Chattanooga | Tue, Nov 3 | Delta Air Lines
      $357 $466
      23% off
      23% off
      $466 $357
    • CHA 5:35 AM
      7h 28m
      1 stop
      SEA 10:03 AM
      Chattanooga - Seattle | Fri, Nov 13 | Delta Air Lines
      SEA 6:00 AM
      6h 20m
      1 stop
      CHA 3:20 PM
      Seattle - Chattanooga | Wed, Nov 18 | Delta Air Lines
      $359 $466
      23% off
      23% off
      $466 $359
    • CHA 3:00 PM
      9h 58m
      1 stop
      SEA 9:58 PM
      Chattanooga - Seattle | Sun, Nov 29 | Delta Air Lines
      SEA 9:45 AM
      9h 15m
      1 stop
      CHA 10:00 PM
      Seattle - Chattanooga | Wed, Dec 2 | Delta Air Lines
      $367
      21% off
      $466 $367
    • CHA 6:34 AM
      8h 44m
      1 stop
      SEA 12:18 PM
      Chattanooga - Seattle | Sun, Oct 25 | American Airlines
      SEA 1:25 PM
      7h 34m
      1 stop
      CHA 11:59 PM
      Seattle - Chattanooga | Sun, Nov 1 | American Airlines
      $378
      19% off
      $466 $378
    • CHA 1:06 PM
      8h 4m
      1 stop
      SEA 6:10 PM
      Chattanooga - Seattle | Thu, Nov 12 | American Airlines
      SEA 5:10 AM
      7h 8m
      1 stop
      CHA 3:18 PM
      Seattle - Chattanooga | Sun, Nov 15 | American Airlines
      $378
      19% off
      $466 $378
    • CHA 4:35 PM
      8h 22m
      1 stop
      SEA 9:57 PM
      Chattanooga - Seattle | Fri, Nov 6 | American Airlines
      SEA 12:47 PM
      7h 22m
      1 stop
      CHA 11:09 PM
      Seattle - Chattanooga | Wed, Nov 11 | American Airlines
      $389
      17% off
      $466 $389
    • CHA 5:35 AM
      7h 28m
      1 stop
      SEA 10:03 AM
      Chattanooga - Seattle | Fri, Nov 6 | Delta Air Lines
      SEA 11:25 AM
      7h 35m
      1 stop
      CHA 10:00 PM
      Seattle - Chattanooga | Tue, Nov 10 | Delta Air Lines
      $392
      16% off
      $466 $392
    • CHA 6:07 PM
      8h 50m
      1 stop
      SEA 11:57 PM
      Chattanooga - Seattle | Tue, Dec 1 | Delta Air Lines
      SEA 6:00 AM
      9h
      1 stop
      CHA 6:00 PM
      Seattle - Chattanooga | Fri, Dec 4 | Delta Air Lines
      $393
      16% off
      $466 $393
    • CHA 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Chattanooga - Seattle | Tue, Oct 20 | Normal Airline
      SEA 3:00 PM
      6h
      Nonstop
      CHA 4:00 PM
      Seattle - Chattanooga | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      CHA 6:25 PM
      8h 27m
      1 stop
      SEA 11:52 PM
      Chattanooga - Seattle | Tue, Oct 20 | Delta Air Lines
      $312 $385
      19% off
      19% off
      $385 $312
    • CHA 6:02 PM
      8h 8m
      1 stop
      SEA 11:10 PM
      Chattanooga - Seattle | Tue, Oct 20 | American Airlines
      $315 $385
      18% off
      18% off
      $385 $315
    • CHA 7:05 AM
      10h 40m
      1 stop
      SEA 2:45 PM
      Chattanooga - Seattle | Wed, Nov 4 | Delta Air Lines
      $316 $385
      18% off
      18% off
      $385 $316
    • CHA 5:35 AM
      7h 28m
      1 stop
      SEA 10:03 AM
      Chattanooga - Seattle | Mon, Nov 2 | Delta Air Lines
      $316
      18% off
      $385 $316
    • CHA 4:06 PM
      10h 41m
      1 stop
      SEA 11:47 PM
      Chattanooga - Seattle | Tue, Nov 24 | American Airlines
      $323
      16% off
      $385 $323
    • CHA 8:06 AM
      9h 45m
      1 stop
      SEA 2:51 PM
      Chattanooga - Seattle | Fri, Nov 13 | American Airlines
      $324
      16% off
      $385 $324
    • CHA 7:30 AM
      10h 16m
      1 stop
      SEA 2:46 PM
      Chattanooga - Seattle | Sun, Nov 1 | American Airlines
      $325
      16% off
      $385 $325
    • CHA 4:06 PM
      9h 17m
      1 stop
      SEA 10:23 PM
      Chattanooga - Seattle | Sun, Nov 22 | American Airlines
      $325
      16% off
      $385 $325
    • CHA 3:00 PM
      9h 58m
      1 stop
      SEA 9:58 PM
      Chattanooga - Seattle | Fri, Nov 13 | Delta Air Lines
      $325
      16% off
      $385 $325
    • CHA 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Chattanooga - Seattle | Tue, Oct 20 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Chattanooga to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airlines are the most popular for Chattanooga to Seattle flights?

You can choose from 1 airlines that fly from Chattanooga to Seattle, including Delta Air Lines, Delta Air Lines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Chattanooga to Seattle according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Chattanooga to Seattle (CHA-SEA)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $312 on Cheapest nonstop routes (e.g. CHA to SEA on Tue, Oct 20), while Delta Air Lines offers Cheapest nonstop round-trips from $346 departing on Wed, Nov 4 and returning on Wed, Nov 11.
  • At the moment, several airlines serve connecting flights from Chattanooga to Seattle, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chattanooga to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Chattanooga to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Oct 20, with one-way flights priced at just $312.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chattanooga to Seattle is September, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chattanooga to Seattle on October 23, 2026 with Delta Air Lines, with prices starting at $309.
  • You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Chattanooga Metropolitan Airport to Seattle-Tacoma International Airport (CHA-SEA) are by far the most popular option for this route.
  • The time difference between Seattle and Chattanooga is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chattanooga to Seattle is $418. Fares vary by travel date, airline and availability.
  • Enter Chattanooga and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.