Use SEA Spot Saver to book security screening appointments in advance, reducing wait times without TSA PreCheck or CLEAR.

| Most accurate provider | Justfly.com 3 stars | 
|---|---|
| Most trusted provider | Justfly.com 3 stars | 
| Round-trip from | $214 (Kiwi.com) | 
| One-way from | $133 (Kiwi.com) | 
| Popular in | December | 
| Cheapest in | September | 
| Average price | $357 | 
| Good round-trip deal | $354 or less | 
| Good one-way deal | $241 or less | 
Fly from
Fly to
Route
Depart
Return
Price
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Wed 2/4
12:00 pm-7:57 pm
Nonstop4h 57m
Atlanta Hartsfield-Jackson
Sat 2/7
4:29 pm-7:00 pm
Nonstop5h 31m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Thu 11/27
2:02 pm-9:50 pm
Nonstop4h 48m
Atlanta Hartsfield-Jackson
Wed 12/3
7:30 am-10:20 am
Nonstop5h 50m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Wed 12/3
3:47 pm-11:31 pm
Nonstop4h 44m
Atlanta Hartsfield-Jackson
Mon 12/8
6:20 pm-8:50 pm
Nonstop5h 30m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Sat 11/22
3:42 pm-11:26 pm
Nonstop4h 44m
Atlanta Hartsfield-Jackson
Tue 11/25
7:30 am-10:15 am
Nonstop5h 45m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Tue 12/9
7:20 am-6:45 pm
1 stop8h 25m
Atlanta Hartsfield-Jackson
Tue 12/9
7:45 pm-10:27 pm
Nonstop5h 42m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Tue 3/3
11:30 pm-7:18 am
Nonstop4h 48m
Atlanta Hartsfield-Jackson
Wed 3/4
3:35 pm-11:46 pm
1 stop11h 11m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Sat 11/22
11:55 pm-7:39 am
Nonstop4h 44m
Atlanta Hartsfield-Jackson
Wed 11/26
9:00 am-11:41 am
Nonstop5h 41m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Tue 3/3
8:20 am-4:08 pm
Nonstop4h 48m
Atlanta Hartsfield-Jackson
Wed 3/4
3:35 pm-11:46 pm
1 stop11h 11m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Thu 2/19
8:20 am-4:08 pm
Nonstop4h 48m
Atlanta Hartsfield-Jackson
Sun 2/22
8:00 am-10:27 am
Nonstop5h 27m
SeattleAtlanta
SEA - ATL
SEAATL
Seattle/Tacoma Intl
Fri 12/5
2:03 pm-9:50 pm
Nonstop4h 47m
Atlanta Hartsfield-Jackson
Mon 12/8
7:30 am-10:19 am
Nonstop5h 49m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | 
The best time to book flights from Seattle to Atlanta is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, March is the cheapest month in which you can book a flight from Seattle to Atlanta (average of $148). Flying from Seattle to Atlanta in June is currently the most expensive (average of $276). 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.
One of the essential ways to save on airfare from Seattle to Atlanta is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 41% on airfare.
Travelers seeking maximum savings on their Seattle to Atlanta flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 11% of weekly flights between Seattle and Atlanta have experienced delays in the past year, with the average delay time being 145 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, STARLUX Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$117 | Average$229 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$149 | Average$279 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$433 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$316 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$402 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$257 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$467 | FlexibilityNo cancel fee | On-time63% |