Independent travel booking service, not affiliated with any airline. Agents available 24/7: (708) 866-8751
SEA → MIA · about 5h 49m · 2,721 miles · 4 airlines · fares updated September 16, 2026
Fares shown are recorded lows. An agent confirms today's live price on the call.
Licensed agents, 24/7. No charge for a quote.
Call to book from $338(708) 866-8751The lowest fares recorded on this route in recent searches. Call and an agent checks whether a similar fare is still open for your dates.
Recorded fares for SEA to MIA from cached search data, not live quotes. An agent confirms availability and today's price on the call.
This guide covers everything you need to book a flight from Seattle (SEA) to Miami (MIA): recent low fares, airlines, flight time, airport choices, and the cheapest months. Prices below are recorded lows rather than live quotes, so call (708) 866-8751 for a current fare; agents are available 24/7, every day.
The lowest one-way fare we have on record for this route is $338 on Southwest. Fares like that usually show up on off-peak days and for travel booked a few weeks out; an agent can check whether a similar fare is available for your dates.
Because Delta Air Lines treats Seattle as a hub, this pairing tends to have frequent departures throughout the day. American Airlines and Southwest Airlines also compete here, which keeps fares in check.
This is a 2,721 miles journey, about 5h 49m in the air on a nonstop, which puts it firmly in long-haul territory: baggage allowances, seat selection fees, and stopover options change the real cost of the ticket as much as the base fare does.
Prices are currently low for this route. Typical one-way lows run $367 to $445 by month; the lowest fare recorded recently was $338.
Lowest recorded one-way fare by departure date, next 15 days with data. Green bars are within 10% of the cheapest day.
Cheapest day in range: Wednesday, September 30 at $178. Recorded lows, not live quotes.
Lowest recorded one-way fare per month. Green marks the cheapest month.
Wednesday departures average $186, about 38% below Thursday at $302, based on recorded daily lows for the next two months.
West Coast and Mountain departures spike over summer holidays and the December break; January (after New Year), late April, May, and September are usually the cheapest windows.
On this specific route our fare history shows February as the cheapest month and December as the most expensive, a spread of $455 between the two.
Tuesday, Wednesday, and Saturday departures are usually the cheapest days on domestic routes; Friday and Sunday are the most expensive. Early-morning and late-evening flights are often priced below the midday departures.
For domestic travel, booking three to eight weeks ahead usually captures the best price. Inside two weeks, fares climb; more than four months out, airlines have not yet released their cheapest inventory.
Carriers most likely to serve this route, with the lowest fare recorded for each where our data names the airline. Agents compare all of them on one call.
| Airline | Recorded from | Changes on standard fares | Lowest fare brand | Call |
|---|---|---|---|---|
| Southwest Airlines | $338 | No fee, fare difference | Basic | Call(708) 866-8751 |
| Delta Air Lines | ask an agent | No fee, fare difference | Basic Economy | Call(708) 866-8751 |
| United Airlines | ask an agent | No fee, fare difference | Basic Economy | Call(708) 866-8751 |
| American Airlines | ask an agent | No fee, fare difference | Basic Economy | Call(708) 866-8751 |
Carriers listed are those most likely to serve the pair based on hubs and recorded fares. WarBird Flight is independent and not affiliated with any airline.
Recorded Southwest fares on SEA–MIA. Southwest on this route · independent service, not affiliated with Southwest.
Departures use Seattle–Tacoma International Airport (SEA), a hub for Delta.
You will land at Miami International Airport (MIA), a American hub. Fort Lauderdale (FLL) is 30 miles north and often cheaper for domestic flights.
Fares from a neighboring airport are sometimes far lower than the drive is long. Agents quote all of these on one call.
Licensed agents at our partner agency handle these by phone, 24/7. No charge for a quote.
The lowest one-way fare we have recorded recently is $338. Fares change daily; call (708) 866-8751 for today's price.
A nonstop flight takes about 5h 49m to cover 2,721 miles. Connecting itineraries add two to five hours depending on the layover.
Delta Air Lines, United Airlines, American Airlines, and Southwest Airlines are the carriers most likely to serve this route. We book all of them.
Based on our fare history, February has the lowest recorded fares and December the highest.
Yes. Call (708) 866-8751 and a live agent will search every airline, quote today's fare, and book it for you. WarBird Flight is an independent travel booking service; calls are answered by licensed travel agents at our partner agency.
Seattle–Tacoma International Airport (SEA) is the airport for this route.
A government-issued photo ID such as a REAL ID-compliant driver's license, a passport, or a passport card. Children under 18 flying with an adult do not need ID on domestic flights. If your license is not REAL ID-compliant, bring a passport.
Yes on most carriers, with an unaccompanied-minor service fee and age limits that differ by airline. Nonstop flights are strongly preferred and some airlines require them for younger children. Agents can book the service, note the guardian details, and confirm the fee before you pay.
