✈ FareTimingfares observed nightly · not booking advice

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ATL → SEA

Atlanta - Seattle

$165
cheapest date in next 11 months · 2026-10-13
1
nights observed · since 2026-09-17
9
fare observations

When to fly: fares by month and weekday

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mon
$215
Tue
$210
$165
Wed
$210
Thu
$210
Fri
$210
Sat
$357
Sun
$362
cheapest $165most expensive $362· median of the cheapest fare per departure date in the latest sweep (round trip where offered, otherwise one way)

Fare calendar: cheapest fare per departure date

good (bottom quartile, ≤ $210)typicalexpensive (top quartile, ≥ $215)· observed 2026-09-17
Sep 2026
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19$509
20$362
21$215
22$210
23$210
24$210
25$210
26$204
27
28
29
30
Oct 2026
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13$165
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

When to buy: booking curve

Booking curve unlocks after 60 nights of observations - 1 so far.

Long-run seasonality: what people actually paid (DOT, by quarter)

$108$215$323$430Q1 2015 avg fare $356 · 3,111 sampled paxQ2 2015 avg fare $325 · 5,257 sampled paxQ3 2015 avg fare $305 · 5,728 sampled paxQ4 2015 avg fare $291 · 4,789 sampled paxQ1 2016 avg fare $287 · 3,818 sampled paxQ2 2016 avg fare $282 · 5,614 sampled paxQ3 2016 avg fare $286 · 6,044 sampled paxQ4 2016 avg fare $310 · 4,997 sampled paxQ1 2017 avg fare $309 · 3,891 sampled paxQ2 2017 avg fare $320 · 5,495 sampled paxQ3 2017 avg fare $315 · 5,795 sampled paxQ4 2017 avg fare $312 · 4,899 sampled paxQ1 2018 avg fare $320 · 3,892 sampled paxQ2 2018 avg fare $323 · 5,969 sampled paxQ3 2018 avg fare $320 · 6,324 sampled paxQ4 2018 avg fare $330 · 4,863 sampled paxQ1 2019 avg fare $334 · 4,099 sampled paxQ2 2019 avg fare $347 · 6,078 sampled paxQ3 2019 avg fare $329 · 6,287 sampled paxQ4 2019 avg fare $337 · 5,500 sampled paxQ1 2020 avg fare $340 · 3,027 sampled paxQ2 2020 avg fare $288 · 864 sampled paxQ3 2020 avg fare $251 · 1,961 sampled paxQ4 2020 avg fare $267 · 1,969 sampled paxQ1 2021 avg fare $218 · 1,759 sampled paxQ2 2021 avg fare $246 · 4,177 sampled paxQ3 2021 avg fare $282 · 4,998 sampled paxQ4 2021 avg fare $289 · 4,641 sampled paxQ1 2022 avg fare $302 · 3,201 sampled paxQ2 2022 avg fare $391 · 6,215 sampled paxQ3 2022 avg fare $362 · 6,843 sampled paxQ4 2022 avg fare $358 · 5,255 sampled paxQ1 2023 avg fare $309 · 4,090 sampled paxQ2 2023 avg fare $355 · 7,188 sampled paxQ3 2023 avg fare $321 · 7,546 sampled paxQ4 2023 avg fare $309 · 5,273 sampled paxQ1 2024 avg fare $321 · 3,977 sampled paxQ2 2024 avg fare $336 · 7,546 sampled paxQ3 2024 avg fare $317 · 7,518 sampled paxQ4 2024 avg fare $312 · 5,775 sampled paxQ1 2025 avg fare $334 · 3,929 sampled paxQ2 2025 avg fare $336 · 7,011 sampled pax20152016201720182019202020212022202320242025
Q1Q2 / Q4Q3· passenger-weighted average one-way market fare actually paid (this direction), US DOT DB1B 10% ticket sample
Method

Every night the collector pulls the cheapest fare per departure date for the next 11 months from Aviasales search data (Travelpayouts), and, on a rotating schedule, runs a Google Flights search for US routes that also returns Google's 60-day price history for that itinerary. The heatmap and calendar use the latest sweep; "good" and "expensive" are the bottom and top quartile of that sweep. The booking curve pools every observation ever made for this route by days between observation and departure. DOT DB1B is the US Department of Transportation's 10% sample of tickets sold, aggregated by quarter. Prices are indicative, not bookable.