Frontier's UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.
Frontier offers Zone 1 boarding with a carry-on bag or special fare bundle purchase.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $64 (Frontier) |
One-way from | $30 (CheapOair) |
Popular in | April |
Cheapest in | December |
Average price | $166 |
Good round-trip deal | $152 or less |
Good one-way deal | $104 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Atlanta
IAD - ATL
IADATL
Washington, D.C. Dulles Intl
Tue 2/10
12:35 pm-2:40 pm
Nonstop2h 05m
Atlanta Hartsfield-Jackson
Fri 2/13
9:50 am-11:41 am
Nonstop1h 51m
BaltimoreAtlanta
BWI - ATL
BWIATL
Baltimore/Washington
Wed 12/17
8:00 am-10:18 am
Nonstop2h 18m
Atlanta Hartsfield-Jackson
Wed 12/24
5:55 am-7:22 am
1 stop25h 27m
Washington, D.C.Atlanta
IAD - ATL
IADATL
Washington, D.C. Dulles Intl
Fri 2/6
12:35 pm-2:40 pm
Nonstop2h 05m
Atlanta Hartsfield-Jackson
Sat 2/21
2:39 pm-4:30 pm
Nonstop1h 51m
BaltimoreAtlanta
BWI - ATL
BWIATL
Baltimore/Washington
Wed 12/31
5:30 am-7:45 am
Nonstop2h 15m
Atlanta Hartsfield-Jackson
Mon 1/5
8:45 am-8:35 pm
1 stop11h 50m
BaltimoreAtlanta
BWI - ATL
BWIATL
Baltimore/Washington
Fri 2/6
6:00 am-8:30 am
Nonstop2h 30m
Atlanta Hartsfield-Jackson
Sat 2/21
10:25 pm-8:03 am
1 stop9h 38m
Washington, D.C.Atlanta
DCA - ATL
DCAATL
Washington, D.C. Reagan-National
Tue 1/27
11:45 am-4:50 pm
1 stop5h 05m
Atlanta Hartsfield-Jackson
Wed 1/28
4:15 pm-6:00 pm
Nonstop1h 45m
BaltimoreAtlanta
BWI - ATL
BWIATL
Baltimore/Washington
Fri 1/9
4:44 pm-11:25 pm
1 stop6h 41m
Atlanta Hartsfield-Jackson
Sun 1/11
8:21 pm-8:31 am
1 stop12h 10m
Washington, D.C.Atlanta
IAD - ATL
IADATL
Washington, D.C. Dulles Intl
Thu 1/8
8:20 am-10:24 am
Nonstop2h 04m
Atlanta Hartsfield-Jackson
Sun 1/11
9:47 am-11:38 am
Nonstop1h 51m
Washington, D.C.Atlanta
IAD - ATL
IADATL
Washington, D.C. Dulles Intl
Sat 12/20
7:11 pm-9:30 pm
Nonstop2h 19m
Atlanta Hartsfield-Jackson
Wed 12/24
9:47 am-11:38 am
Nonstop1h 51m
Washington, D.C.Atlanta
IAD - ATL
IADATL
Washington, D.C. Dulles Intl
Tue 2/3
6:00 am-8:01 am
Nonstop2h 01m
Atlanta Hartsfield-Jackson
Wed 2/4
7:10 pm-8:45 pm
Nonstop1h 35m
| 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 Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Atlanta. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Atlanta (average of $36). Flying from Washington, D.C. to Atlanta in June is currently the most expensive (average of $76). 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.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Atlanta in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. to Atlanta flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to ATL are scheduled on a Tuesday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
About 14% of weekly flights between Washington, D.C. and Atlanta have experienced delays in the past year, with the average delay time being 138 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.
Saturday 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, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$146 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$53 | Average$125 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$262 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$274 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$262 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$283 | FlexibilityNo cancel fee | On-time71% |