American Airlines flights to Miami from Seattle

View S$245 flight on Mon, 10 Nov, 2025Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

American Airlines flights from Seattle to Miami (SEA→MIA)

Prices were available within the past 7 days and start at S$245 for one-way flights and S$437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 10 Nov - Wed, 19 Nov
SEA
Seattle
MIA
Miami
S$437 Return, found 3 days ago
S$437
Return
found 3 days ago
Select American Airlines flight, departing Mon, 10 Nov from Seattle to Miami, returning Wed, 19 Nov, priced at S$437 found 3 days ago
American Airlines
Mon, 10 Nov - Wed, 19 Nov
SEA
Seattle
MIA
Miami
S$468 Return, found 3 days ago
S$468
Return
found 3 days ago
Select American Airlines flight, departing Mon, 10 Nov from Seattle to Miami, returning Wed, 19 Nov, priced at S$468 found 3 days ago
American Airlines
Thu, 29 Jan - Thu, 12 Feb
SEA
Seattle
MIA
Miami
S$470 Return, found 20 hours ago
S$470
Return
found 20 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Seattle to Miami, returning Thu, 12 Feb, priced at S$470 found 20 hours ago
American Airlines
Thu, 29 Jan - Thu, 12 Feb
SEA
Seattle
MIA
Miami
S$475 Return, found 20 hours ago
S$475
Return
found 20 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Seattle to Miami, returning Thu, 12 Feb, priced at S$475 found 20 hours ago
American Airlines
Mon, 10 Nov - Wed, 19 Nov
SEA
Seattle
MIA
Miami
S$484 Return, found 3 days ago
S$484
Return
found 3 days ago
Select American Airlines flight, departing Mon, 10 Nov from Seattle to Miami, returning Wed, 19 Nov, priced at S$484 found 3 days ago
American Airlines
Thu, 29 Jan - Thu, 12 Feb
SEA
Seattle
MIA
Miami
S$488 Return, found 20 hours ago
S$488
Return
found 20 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Seattle to Miami, returning Thu, 12 Feb, priced at S$488 found 20 hours ago
Seattle to Miami route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Miami Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
4353 km
Average flight time
8 hours 51 mins

Frequently asked questions

How much is an American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
You can discover affordable round-trip American Airlines flights from S$437 from SEA to MIA by organising your results from "Price (lowest to highest)" on Expedia. Or look for bargains from S$245 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to MIA with American Airlines?
September is one of the least expensive months to travel to Miami with American Airlines. You could also find fantastic deals on one-way and round-trip fares in October.
Does American Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
Jet off on one of American Airlines's 7 direct weekly flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA). To see your choices, enter your origin, dates and destination and hit search. Then select the "Nonstop" and "Airline" filters.
How long does it take to fly from SEA to MIA with American Airlines?
The journey time for a nonstop American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) typically takes 5h 43m.
What airports does American Airlines fly into in Miami?
The majority of American Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Miami arrive at Miami Intl. Airport (MIA). This is the airline's main entry point to this city. It's worth browsing Expedia for flights to nearby airports like Fort Lauderdale - Hollywood Intl. Airport (FLL), as prices may be lower.
What type of plane does American Airlines fly from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
American Airlines typically operates Airbus A321neo planes for journeys from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA). Remember that aircraft type can vary depending on operational demands, so the plane you board might be different on your travel date.
Can I change or cancel my American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
Depending on your fare type, a fee may apply if you cancel or change your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For more details on changing or cancelling your reservation, head to "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.