Seattle to Miami flights – the most comfortable way to fly
2 airlines fly nonstop between Seattle and Miami, about 14 flights a week. The flight takes 6h 00m and covers 4,380 km. The most comfortable economy seat is on American Airlines's Airbus A321neo. There's no lie-flat business class on this route.
Most comfortable economy
- 31″ legroom
- 18.0″ wide seat
- Cabin altitude 8,000 ft
- Wi-Fi
- Power
Most comfortable business
- 38″ legroom
- 21.0″ wide seat
- No middle seats
- Cabin altitude 8,000 ft
- Wi-Fi
- Power
Nonstop flights from Seattle to Miami
| Flight | Departs | Duration | Aircraft | Economy | Business | Days |
|---|---|---|---|---|---|---|
| American Airlines AA618 SEA → MIA |
10:00 | 6h 00m | A321neo Narrow-body |
5.3Okay | 7.4Very comfortable | MTWTFSS |
| Delta DL3053 SEA → MIA |
10:15 | 6h 00m | 737-800 Narrow-body |
3.8Cramped | 7.4Very comfortable | MTWTFSS |
Frequently asked questions
How long is the flight from Seattle to Miami?
A nonstop flight from Seattle to Miami takes about 6 h 0 min and covers 4,380 km.
Which airlines fly nonstop from Seattle to Miami?
American Airlines and Delta fly nonstop, with about 14 flights a week.
What is the most comfortable economy seat from Seattle to Miami?
American Airlines on the Airbus A321neo: 3-3 layout, 31″ legroom and 18.0″ wide seats – comfort score 5.3/10 (okay).
Is there lie-flat business class from Seattle to Miami?
No – business class on this route is recliner (domestic first) (2-2). The best is American Airlines on the Airbus A321neo, comfort score 7.4/10.
Can I fly with my dog from Seattle to Miami?
Yes – American Airlines and Delta take small dogs in the cabin (usually up to 9 kg including the bag).
Is business class worth it from Seattle to Miami?
Business is a wide recliner with more legroom for about 151% more than economy on American Airlines – SkyBuddy's upgrade score: 3.5/10 (not worth it).
Which aircraft fly from Seattle to Miami?
Airbus A321neo and Boeing 737-800.
Schedules, seat details and fares are indicative estimates from SkyBuddy's airline model. Check the live price before you book.