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$123+ Cheap flights from Atlanta to Seattle (ATL - 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SEA
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl are usually found in February or October, booked 36 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Atlanta to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 21, 2025.

Round-trip from

$239
(Kiwi.com)

One-way from

$123
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$377

Good round-trip deal

$361 or less

Good one-way deal

$213 or less
From Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl
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One-way flight from Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl.
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Find flight deals from Atlanta to Seattle

Cheapest flights from Atlanta to Seattle
Explore the most affordable flight options available from Atlanta to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:00 pmATL - SEA
1 stop23h 34mFrontier
Tue 8/266:41 amSEA - ATL
1 stop8h 24mFrontier
Deal found 8/19$238
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:23 pmATL - SEA
1 stop8h 07mFrontier
Tue 9/307:00 amSEA - ATL
1 stop11h 56mFrontier
Deal found 8/20$239
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:34 amATL - SEA
1 stop19h 25mMultiple Airlines
Sat 9/279:39 pmSEA - ATL
1 stop29h 08mMultiple Airlines
Deal found 8/20$240
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:34 amATL - SEA
1 stop19h 25mMultiple Airlines
Wed 9/247:00 amSEA - ATL
1 stop11h 56mMultiple Airlines
Deal found 8/20$241
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:30 amATL - SEA
1 stop7h 15mFrontier
Tue 9/26:41 amSEA - ATL
1 stop20h 24mFrontier
Deal found 8/19$242
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:35 amATL - SEA
1 stop19h 59mFrontier
Tue 9/97:00 amSEA - ATL
1 stop11h 56mFrontier
Deal found 8/19$243
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:30 amATL - SEA
2 stops17h 29mMultiple Airlines
Wed 9/177:00 amSEA - ATL
1 stop11h 56mMultiple Airlines
Deal found 8/19$244
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:55 pmATL - SEA
1 stop14h 38mFrontier
Sun 10/194:11 pmSEA - ATL
2 stops14h 15mFrontier
Deal found 8/19$245
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:42 amATL - SEA
1 stop18h 17mFrontier
Mon 9/221:47 pmSEA - ATL
1 stop13h 20mFrontier
Deal found 8/20$246
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:07 amATL - SEA
1 stop26h 27mFrontier
Fri 9/56:12 amSEA - ATL
1 stop9h 06mFrontier
Deal found 8/19$247
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:34 amATL - SEA
1 stop19h 25mMultiple Airlines
Sat 10/49:39 pmSEA - ATL
2 stops23h 56mMultiple Airlines
Deal found 8/20$248
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:34 amATL - SEA
2 stops10h 57mFrontier
Sat 9/67:00 amSEA - ATL
2 stops11h 27mFrontier
Deal found 8/18$249

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 21, 2025.
Use the filters below to find and compare flights from Atlanta to Seattle that are best for you.

Fly from

Atlanta

Fly to

Seattle

Route

Depart

Return

Price

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Wed 9/17

7:56 pm-10:22 pm

Nonstop5h 26m

Seattle/Tacoma Intl

Wed 9/24

7:00 am-9:56 pm

1 stop11h 56m

$241

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Sat 8/30

7:30 am-11:45 am

1 stop7h 15m

Seattle/Tacoma Intl

Tue 9/2

6:41 am-6:05 am

1 stop20h 24m

$242

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Thu 9/4

7:34 am-3:31 pm

2 stops10h 57m

Seattle/Tacoma Intl

Sat 9/6

7:00 am-9:27 pm

2 stops11h 27m

$249

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Sat 9/13

7:34 am-8:39 pm

1 stop16h 05m

Seattle/Tacoma Intl

Sat 9/20

9:39 pm-5:47 am

1 stop29h 08m

$250

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Sat 10/4

7:00 am-9:20 am

Nonstop5h 20m

Seattle/Tacoma Intl

Sat 10/11

4:10 pm-11:59 pm

Nonstop4h 49m

$257

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Wed 9/10

9:34 pm-11:59 pm

Nonstop5h 25m

Seattle/Tacoma Intl

Tue 9/16

6:00 am-1:49 pm

Nonstop4h 49m

$257

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Sat 9/13

6:55 am-9:17 am

Nonstop5h 22m

Seattle/Tacoma Intl

Tue 9/16

4:07 pm-12:03 am

Nonstop4h 56m

$257

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Wed 10/8

11:30 am-2:01 pm

Nonstop5h 31m

Seattle/Tacoma Intl

Wed 10/15

3:45 pm-11:33 pm

Nonstop4h 48m

$257

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Sat 10/4

7:00 am-9:20 am

Nonstop5h 20m

Seattle/Tacoma Intl

Sat 10/11

4:10 pm-11:59 pm

Nonstop4h 49m

$257

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Wed 9/24

7:47 am-10:09 am

Nonstop5h 22m

Seattle/Tacoma Intl

Tue 9/30

3:15 pm-11:03 pm

Nonstop4h 48m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 22 results
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The best insider tips for Atlanta to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Seattle trip
Airports
ATL

For a quick check-in, use the international terminal for shorter security lines if you're not checking bags.

Read more about ATLby Chris Dong
SEA

Take the Link light rail from SEA to downtown Seattle for an inexpensive, 40-minute journey with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Chris Dong

Chris Dong

Expert on ATL

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Atlanta to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Atlanta 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 Atlanta to Seattle

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

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

The price you pay for your flight from Atlanta to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Atlanta to Seattle (average of $238). Flying from Atlanta to Seattle in June is currently the most expensive (average of $388). 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 ATL to SEA?

Find hourly flight availability from Atlanta 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 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Atlanta to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Seattle. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Atlanta to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday 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 21, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Atlanta to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,672 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,207 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

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

  • What airports do I use to fly from Atlanta to Seattle?

    Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Atlanta Hartsfield-Jackson. Booking flights from Hartsfield-Jackson (ATL) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 29 daily flights to Seattle from 8 different airlines. 5h 18m is how long a flight from Atlanta to Seattle/Tacoma Intl will take if you book a nonstop flight.

  • How popular is this Atlanta to Seattle flight route?

    The Atlanta Hartsfield-Jackson to Seattle/Tacoma Intl flight path was viewed by 161 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Atlanta to Seattle?

    A quick flight from Atlanta to Seattle can take about 5h 20m. Frontier provides one of the quickest options available for as low as $257. Airlines will cover a distance of 2176 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Atlanta to Seattle round-trip from $97. Other airlines that can offer you cheap pricing are Frontier, from $128, and Southwest, from $174. Spirit Airlines is currently priced 73% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Atlanta to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Atlanta to Seattle on time: Singapore Airlines (90%), KLM (89%), WestJet (85%).

  • What are the cheapest flights from Atlanta to Seattle?

    Looking at all options, your cheapest flight can be booked for $143. While the most popular route (Atlanta Hartsfield-Jackson - Seattle/Tacoma Intl) can be booked for $207 on average our data indicates $938 when flying from Atlanta to Seattle.

  • Where are the most common layover locations when flying from Atlanta to Seattle?

    The most popular layover on flights from Atlanta to Seattle is Denver.

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Travelers on a layover in Denver can visit Coors Field, 16th Street Mall, and Paramount Theatre, by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively after landing at Denver Intl. Travelers in need of a car in Denver can rent one for about $59 per day.

  • Where are the least popular layover locations for Atlanta to Seattle flights?

    Atlanta to Seattle flights that have layovers will least frequently stop in Las Vegas.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta 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 Atlanta to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Atlanta to Seattle (average of $238). Flying from Atlanta to Seattle in June is currently the most expensive (average of $388). 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
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Atlanta to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Atlanta to Seattle

Discover the top 8 airlines that operate flights from Atlanta 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$234FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$265FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$174Average$404FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$185Average$365FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$188Average$383FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$237Average$393FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$406FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$397FlexibilityNo cancel feeOn-time69%

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