Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for security screening appointments to reduce wait times.
Round-trip from | $187 (FlightHub) |
---|---|
One-way from | $139 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $300 |
Good round-trip deal | $332 or less |
Good one-way deal | $221 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 11/5
8:00 am-4:54 pm
Nonstop5h 54m
Miami
Wed 11/12
6:00 pm-9:53 pm
Nonstop6h 53m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Tue 10/14
8:30 am-5:29 pm
Nonstop5h 59m
Miami
Fri 10/24
6:43 pm-10:30 pm
Nonstop6h 47m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Thu 10/9
8:00 am-4:54 pm
Nonstop5h 54m
Miami
Wed 10/15
6:05 pm-9:47 pm
Nonstop6h 42m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 10/1
8:25 am-5:45 pm
Nonstop6h 20m
Miami
Sat 10/4
6:43 pm-10:30 pm
Nonstop6h 47m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Fri 10/3
8:30 am-5:23 pm
Nonstop5h 53m
Miami
Thu 10/9
6:05 pm-9:47 pm
Nonstop6h 42m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Tue 9/30
8:25 am-5:45 pm
Nonstop6h 20m
Miami
Sat 10/4
6:43 pm-10:30 pm
Nonstop6h 47m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Fri 10/10
8:00 am-4:54 pm
Nonstop5h 54m
Miami
Wed 10/15
6:05 pm-9:47 pm
Nonstop6h 42m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Wed 11/12
7:55 am-4:49 pm
Nonstop5h 54m
Miami
Mon 11/17
6:00 pm-9:53 pm
Nonstop6h 53m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Sun 12/7
8:45 am-5:34 pm
Nonstop5h 49m
Miami
Thu 1/8
4:45 pm-10:24 pm
1 stop8h 39m
SeattleMiami
SEA - MIA
SEAMIA
Seattle/Tacoma Intl
Sun 11/16
8:53 am-5:46 pm
Nonstop5h 53m
Miami
Tue 11/18
6:46 pm-10:30 pm
Nonstop6h 44m
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, September is the cheapest month in which you can book a flight from Seattle to Miami (average of $232). Flying from Seattle to Miami in March is currently the most expensive (average of $289). 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 77% 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Las Vegas (LAS) – chosen by Cheapflights users on 43% of 1-stop itineraries from Seattle to Miami on Cheapflights.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 42m.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 42m.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 0h 55m.
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$118 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$128 | Average$262 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$129 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$162 | Average$348 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$197 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$208 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$237 | Average$475 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$266 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$286 | Average$576 | FlexibilityNo cancel fee | On-time63% |