MIA → SEA

Find and Compare the Cheapest Ways to Fly from Miami to Seattle

Compare one-way, round-trip and flight + hotel packages from Miami to Seattle, a nonstop flight of about 6h, with fares from around 350. Nonstop fares seen from Alaska.

Miami to Seattle flight facts

Miami to Seattle is a domestic route covering about 2,720 miles, arriving at Seattle-Tacoma International Airport (SEA) in United States. Peak travel season in Seattle runs July–September (dry, sunny and mild), while November–April is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Alaska.

Key facts for flights from Miami to Seattle
Departing fromMiami International Airport (MIA)
Arriving atSeattle-Tacoma International Airport (SEA)
Distance2,720 miles (4,380 km)
Nonstop flight timeAbout 6h
Nonstop airlines seenAlaska
Round-trip fares from$350 (estimate)
Cheapest monthsSeptember, February, October
Peak season in SeattleJuly–September
Cheapest hotel months in SeattleNovember–April
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Seattle

  • Peak season

    July–September

    Dry, sunny and mild

  • Shoulder season

    May–June & October

    Cool with mixed sun

  • Off-peak season

    November–April

    Grey, drizzly and cool

Estimated round-trip fares by month, Miami to Seattle

Estimated lowest round-trip fare per month
MonthFares from
January$375
February$355
March$445
April$375
May$415
June$460
July$535
August$450
September$350
October$365
November$415
December$495

Flying from Miami to Seattle

Airlines Flying this Route

Nonstop fares we've tracked on this route come from Alaska. Ducoffs.com compares full-service and low-cost airlines flying between Miami and Seattle in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Miami to Seattle

Fares on this route tend to be lowest in September, February, and October. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Miami and Seattle are about 2,720 miles apart. A nonstop flight takes roughly 6h; connecting itineraries usually add 2 to 5 hours.

Miami to Seattle flight questions

How can I find the absolute cheapest flight from Miami to Seattle?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Miami to Seattle?

Based on typical seasonal demand, September, February, and October tend to offer the lowest fares on this route, with estimated round-trip prices starting around $350. Live prices change daily, so run a search for your exact dates.

How long is the flight from Miami to Seattle?

Miami and Seattle are about 2,720 miles apart. A nonstop flight takes roughly 6h, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Miami to Seattle?

Recent nonstop fares we've tracked on this route come from Alaska. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Seattle?

Hotel rates in Seattle are usually lowest in November–April, when demand is quieter, and highest during peak season (July–September). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Seattle?

This route arrives at Seattle-Tacoma International Airport (SEA). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Seattle?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.