Cheap flights from Seattle to Atlanta from $128

The month of January is, on average, the cheapest month to fly to Atlanta from Seattle, with most prices found around $329. If you aren’t able to travel to Atlanta during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $337.

Our data shows that Wednesday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $469. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Sunday is $609.

The cheapest time of day to fly to Atlanta is in the afternoon when flights can be purchased for as low as $378. Flights to Atlanta are more costly at noon, with an average ticket price of $643. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to Atlanta Hartsfield-Jackson for the best Seattle/Tacoma Intl - Atlanta Hartsfield-Jackson flight prices

You are more likely to see cheaper flights to Atlanta from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from Seattle for as low as $326 on momondo.

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Atlanta Hartsfield-Jackson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 1% on your flight if you consider stops on a Seattle to Atlanta flight.

As of February 2026, prices for Seattle to Atlanta flights are approximately 25% more expensive when compared to flights at the same time last year.

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Atlanta Hartsfield-Jackson

Delta, Alaska Airlines and Frontier are the top three most popular airlines that fly to Atlanta from Seattle according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Atlanta. Keep in mind that there are 7 different airlines that fly to Atlanta on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Seattle and Atlanta have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Denver (DEN) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $273.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 18m.

Denver (DEN) has the shortest average layover time for this route: 5h 19m.

35 flights are operational daily from Seattle to Atlanta as of February 2026. The most popular departure time for this route is 8:00AM, with 67% of flights per day taking off at noon.

As of February 2026, 247 flights take off from Seattle and land in Atlanta each week. The most common flight departure day for this route is Thu, with 15% of weekly flights taking off on this day.