Find flights
Deals
When to book
FAQs

Cheap flights from Miami to Seattle from C$ 168

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in February or October, booked 87 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Miami to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Miami to Seattle
Explore the most affordable flight options available from Miami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 25/1211:56 a.m.MIA - SEA
1 stop10h 48mUnited Airlines
Wed 31/1211:15 p.m.SEA - MIA
1 stop9h 32mUnited Airlines
Deal found 11/12C$ 422
Wed 24/124:10 p.m.MIA - SEA
1 stop11h 49mUnited Airlines
Wed 31/1211:15 p.m.SEA - MIA
1 stop9h 32mUnited Airlines
Deal found 11/12C$ 454
Thu 25/127:25 a.m.MIA - SEA
Nonstop6h 57mAlaska Airlines
Thu 1/19:20 p.m.SEA - MIA
Nonstop5h 45mAlaska Airlines
Deal found 11/12C$ 468
Thu 25/1211:56 a.m.MIA - SEA
1 stop10h 48mUnited Airlines
Wed 14/18:40 a.m.SEA - MIA
1 stop8h 11mUnited Airlines
Deal found 9/12C$ 479
Wed 24/1211:56 a.m.MIA - SEA
2 stops12h 11mUnited Airlines
Sat 3/111:59 p.m.SEA - MIA
1 stop7h 55mUnited Airlines
Deal found 10/12C$ 483
Thu 25/124:50 p.m.MIA - SEA
Nonstop6h 53mDelta
Wed 14/17:35 a.m.SEA - MIA
Nonstop5h 52mDelta
Deal found 9/12C$ 501
Thu 25/128:45 a.m.MIA - SEA
2 stops12h 21mUnited Airlines
Fri 2/111:59 p.m.SEA - MIA
1 stop7h 55mUnited Airlines
Deal found 9/12C$ 554
Mon 29/125:00 p.m.MIA - SEA
Nonstop6h 50mDelta
Thu 8/16:05 a.m.SEA - MIA
1 stop8h 30mDelta
Deal found 10/12C$ 576

Find flight deals from Miami to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

C$ 287

One-way from

C$ 168

Popular in

March

Cheapest in

February

Average price

C$ 517
Delta
  • Delta
  • 23/1-29/1
  • Nonstop
  • 12h 50m total
  • Miami to Seattle
Search Deals
29/1
  • 29/1
  • 3 total stops
  • 31h 06m total
  • Miami to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Miami to Seattle that are best for you.

Fly from

Miami

Fly to

Seattle

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 13/3

5:57 p.m.-9:49 p.m.

Nonstop6h 52m

Seattle/Tacoma Intl

Wed 18/3

8:00 a.m.-4:47 p.m.

Nonstop5h 47m

C$ 287

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 24/1

5:50 a.m.-12:20 p.m.

1 stop9h 30m

Seattle/Tacoma Intl

Thu 29/1

7:35 a.m.-4:27 p.m.

Nonstop5h 52m

C$ 301

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 23/1

5:37 p.m.-9:35 p.m.

Nonstop6h 58m

Seattle/Tacoma Intl

Thu 29/1

7:35 a.m.-4:27 p.m.

Nonstop5h 52m

C$ 301

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 16/1

4:39 p.m.-10:33 p.m.

1 stop8h 54m

Seattle/Tacoma Intl

Sun 25/1

7:50 p.m.-3:39 p.m.

1 stop16h 49m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 26/1

6:34 p.m.-10:29 p.m.

Nonstop6h 55m

Seattle/Tacoma Intl

Mon 2/2

8:44 a.m.-5:34 p.m.

Nonstop5h 50m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sun 25/1

7:50 a.m.-2:54 p.m.

1 stop10h 04m

Seattle/Tacoma Intl

Sun 1/2

7:35 a.m.-4:27 p.m.

Nonstop5h 52m

C$ 356

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 24/1

5:37 p.m.-9:35 p.m.

Nonstop6h 58m

Seattle/Tacoma Intl

Sat 31/1

11:55 a.m.-12:51 a.m.

1 stop9h 56m

C$ 356

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 26/1

7:50 a.m.-2:54 p.m.

1 stop10h 04m

Seattle/Tacoma Intl

Mon 2/2

5:40 p.m.-6:35 a.m.

1 stop9h 55m

C$ 370

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 11/3

6:30 a.m.-12:45 p.m.

1 stop9h 15m

Seattle/Tacoma Intl

Mon 16/3

11:55 p.m.-2:25 p.m.

2 stops11h 30m

C$ 376

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 6/3

6:05 p.m.-12:30 a.m.

1 stop9h 25m

Seattle/Tacoma Intl

Tue 31/3

11:55 p.m.-2:25 p.m.

2 stops11h 30m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Miami to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Miami with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Miami to Seattle

How far ahead should I book a flight from Miami to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Miami to Seattle. Price data was last updated on 5 December 2025.

The price you pay for your flight from Miami to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Miami to Seattle?

Currently, February is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 141). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 287). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to SEA?

Find hourly flight availability from Miami to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

When flying from Miami to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Miami to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Miami to Seattle flight route?

    This flight path from Miami to Seattle/Tacoma Intl was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Miami to Seattle?

    Departing from Miami to Seattle will take you 6h 58m. There are 4376 km between Miami and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Miami to Seattle?

    Before booking your flight to Seattle from Miami, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (78%), Air Tahiti Nui (78%), American Airlines( 77%).

  • Can I find deals for flights from Miami to Seattle that include hotel bookings?

    Yes. In addition to deals on Miami to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Seattle.

  • Can I find deals for business class flights from Miami to Seattle?

    Yes. Cheapflights offers flight deals from Miami to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 141). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 287). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Miami to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Miami to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Miami to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Miami by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Miami to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Miami to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Miami to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.