Cheap flights from Miami to Seattle

One-way fares from $147 · MIA → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Miami
Cheapest fare
$147

Frontier Airlines · Fri, Nov 20

Cheapest month
November

from $147

Direct flights
Yes

Alaska Airlines and American Airlines

Flight time
6h 44m

4,400 km

Get a price alert

We'll email you when Miami → Seattle drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $147. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Miami to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $147
  2. December 2026 $157

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart21:52 Fri, Nov 20MIA → SEA 8h 14m · 1 stop
$147one way, per person
View deal
Alaska Airlines
Depart18:10 Tue, Nov 10MIA → SEA 6h 44m · Direct
$165one way, per person
View deal
Alaska Airlines
Depart18:10 Thu, Nov 12MIA → SEA 6h 44m · Direct
$165one way, per person
View deal
Frontier Airlines
Depart21:52 Mon, Nov 23MIA → SEA 8h 14m · 1 stop
$165one way, per person
View deal
Frontier Airlines
Depart21:52 Tue, Nov 24MIA → SEA 8h 14m · 1 stop
$165one way, per person
View deal
Frontier Airlines
Depart21:52 Wed, Nov 25MIA → SEA 8h 14m · 1 stop
$165one way, per person
View deal
Frontier Airlines
Depart05:45 Thu, Nov 26MIA → SEA 7h 47m · 1 stop
$165one way, per person
View deal
Alaska Airlines
Depart18:10 Sat, Nov 7MIA → SEA 6h 44m · Direct
$171one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Seattle

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in SeattleCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in SeattleTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in SeattlePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in SeattleCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Miami to Seattle

Miami (MIA) and Seattle (SEA) are about 4,400 km apart. Direct flights take around 6h 44m, and recent direct fares were with Alaska Airlines and American Airlines. Over the next few months, one-way fares start from $147, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Miami to Seattle?

The cheapest one-way fare we've seen recently is $147 with Frontier Airlines, departing Friday, November 20, 2026. Over the coming months, the lowest fare in each month ranges from $147 to $157.

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

November 2026 currently has the lowest fares, from $147 one way.

Are there direct flights from Miami to Seattle?

Yes. Recent direct fares were with Alaska Airlines and American Airlines.

How long is the flight from Miami to Seattle?

A direct flight takes about 6h 44m. Miami and Seattle are around 4,400 km apart.

Which airlines fly from Miami to Seattle?

Recent fares on this route were with Frontier Airlines, Alaska Airlines and American Airlines.

More cheap flights from Miami

Compare flights to Seattle from other cities →