For a quick check-in, use the MIA Mover train to reach the Miami Intermodal Center for public transport options.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $219 (American Airlines) |
One-way from | $134 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $326 |
Good round-trip deal | $321 or less |
Good one-way deal | $208 or less |
Fly from
Fly to
Route
Depart
Return
Price
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 11/27
7:17 am-11:15 am
Nonstop6h 58m
Seattle/Tacoma Intl
Thu 12/4
8:45 am-5:34 pm
Nonstop5h 49m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 12/4
6:34 pm-10:30 pm
Nonstop6h 56m
Seattle/Tacoma Intl
Mon 12/8
12:45 pm-4:00 pm
1 stop24h 15m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 12/4
6:00 pm-9:58 pm
Nonstop6h 58m
Seattle/Tacoma Intl
Wed 12/10
7:55 am-4:50 pm
Nonstop5h 55m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 11/27
6:05 pm-9:58 pm
Nonstop6h 53m
Seattle/Tacoma Intl
Mon 12/1
7:55 am-4:49 pm
Nonstop5h 54m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 12/25
7:25 am-11:22 am
Nonstop6h 57m
Seattle/Tacoma Intl
Mon 12/29
9:20 pm-6:05 am
Nonstop5h 45m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 12/12
6:05 pm-10:03 pm
Nonstop6h 58m
Seattle/Tacoma Intl
Mon 12/15
7:55 am-4:50 pm
Nonstop5h 55m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 12/12
6:34 pm-10:30 pm
Nonstop6h 56m
Seattle/Tacoma Intl
Sun 12/14
12:45 pm-4:00 pm
1 stop24h 15m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Sat 11/22
6:05 pm-9:58 pm
Nonstop6h 53m
Seattle/Tacoma Intl
Wed 11/26
7:55 am-4:49 pm
Nonstop5h 54m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 12/25
2:10 pm-10:47 pm
1 stop11h 37m
Seattle/Tacoma Intl
Sun 1/4
11:59 pm-12:10 pm
1 stop9h 11m
MiamiSeattle
MIA - SEA
MIASEA
Miami
Tue 12/2
7:05 am-4:07 pm
1 stop12h 02m
Seattle/Tacoma Intl
Thu 12/4
9:25 am-9:50 pm
1 stop9h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Miami to Seattle (average of $121). Flying from Miami to Seattle in November is currently the most expensive (average of $209). 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 Miami to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Miami to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 20% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 163 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Atlas Air have had the lowest number of delays on this route, with no flights being classified as delayed.
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Aug 2025
MFR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$280 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$197 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$368 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$257 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$262 | Average$401 | FlexibilityNo cancel fee | On-time69% |