Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for security screening appointments to reduce wait times.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $197 (Kiwi.com) |
One-way from | $118 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $579 |
Good round-trip deal | $374 or less |
Good one-way deal | $218 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Mon 1/26
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Wed 1/28
5:37 pm-9:35 pm
Nonstop6h 58m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Sun 1/18
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Thu 1/22
6:43 am-3:00 pm
1 stop11h 17m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Mon 2/2
8:44 am-5:34 pm
Nonstop5h 50m
Miami
Fri 2/6
6:34 pm-10:29 pm
Nonstop6h 55m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 1/21
4:55 pm-12:40 pm
2 stops16h 45m
Miami
Thu 1/29
8:05 am-2:21 pm
1 stop9h 16m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Thu 1/22
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Sun 2/1
7:50 am-2:54 pm
1 stop10h 04m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 1/28
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Mon 2/2
7:50 am-2:54 pm
1 stop10h 04m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 1/28
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Sun 2/1
7:50 am-2:54 pm
1 stop10h 04m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Thu 2/5
7:35 am-4:27 pm
Nonstop5h 52m
Miami
Mon 2/9
7:50 am-2:54 pm
1 stop10h 04m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Tue 1/20
6:05 am-5:59 pm
1 stop8h 54m
Miami
Sun 2/1
7:50 am-2:54 pm
1 stop10h 04m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 3/11
5:55 pm-6:49 am
1 stop9h 54m
Miami
Tue 3/24
6:49 am-2:54 pm
1 stop11h 05m
| 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*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Seattle to Miami is 74 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, February is the cheapest month in which you can book a flight from Seattle to Miami (average of $138). Flying from Seattle to Miami in December is currently the most expensive (average of $183). 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.
When flying from Seattle to Miami, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 73% versus a flight at noon.
Travelers seeking maximum savings on their Seattle to Miami flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$128 | Average$253 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$134 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$232 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$196 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$448 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$257 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$294 | Average$603 | FlexibilityNo cancel fee | On-time63% |