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Cheap flights from Miami to Seattle from C$ 193

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in January or September, booked 78 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 11 September 2025.

Round-trip from

C$ 299

One-way from

C$ 193

Popular in

March

Cheapest in

January

Average price

C$ 412

Good one-way deal

C$ 359 or less
Southwest
  • Southwest
  • 4/12-9/12
  • 3 total stops
  • 23h 45m total
  • Miami to Seattle
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Delta
  • Delta
  • 14/11
  • Nonstop
  • 6h 53m total
  • Miami to Seattle
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Highest demand for flights based on searches. 5% potential increase in price (C$ 37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Miami to Seattle/Tacoma Intl.
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Find flight deals from Miami to Seattle

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 11 September 2025.

Thu 4/121:45 p.m.MIA - SEA
1 stop12h 10mSouthwest
Tue 9/125:15 a.m.SEA - MIA
2 stops11h 35mSouthwest
Deal found 10/9C$ 299
Tue 4/111:45 p.m.MIA - SEA
1 stop12h 10mSouthwest
Sun 9/115:35 a.m.SEA - MIA
1 stop10h 10mSouthwest
Deal found 10/9C$ 313
Tue 16/126:05 p.m.MIA - SEA
Nonstop6h 57mDelta
Wed 7/18:00 a.m.SEA - MIA
Nonstop6h 05mDelta
Deal found 10/9C$ 328
Fri 3/1012:06 p.m.MIA - SEA
2 stops12h 28mUnited Airlines
Sun 5/1010:25 a.m.SEA - MIA
1 stop7h 48mUnited Airlines
Deal found 10/9C$ 335
Sat 13/127:00 a.m.MIA - SEA
1 stop8h 42mUnited Airlines
Tue 16/127:00 a.m.SEA - MIA
1 stop10h 09mUnited Airlines
Deal found 11/9C$ 349
Tue 16/125:00 p.m.MIA - SEA
1 stop8h 43mAlaska Airlines
Wed 7/15:30 a.m.SEA - MIA
1 stop7h 12mAlaska Airlines
Deal found 11/9C$ 355
Mon 15/126:05 p.m.MIA - SEA
Nonstop6h 57mDelta
Wed 7/18:00 a.m.SEA - MIA
Nonstop6h 05mDelta
Deal found 10/9C$ 356
Sat 25/106:35 a.m.MIA - SEA
2 stops12h 49mUnited Airlines
Tue 28/1011:59 p.m.SEA - MIA
1 stop7h 54mUnited Airlines
Deal found 10/9C$ 363
Wed 17/126:05 p.m.MIA - SEA
Nonstop6h 57mDelta
Wed 7/17:30 a.m.SEA - MIA
2 stops19h 45mDelta
Deal found 10/9C$ 374
Mon 15/126:35 p.m.MIA - SEA
2 stops14h 48mDelta
Mon 5/18:00 a.m.SEA - MIA
Nonstop6h 05mDelta
Deal found 10/9C$ 381

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 11 September 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

Thu 4/12

6:34 p.m.-10:30 p.m.

Nonstop6h 56m

Seattle/Tacoma Intl

Sun 7/12

8:45 a.m.-5:34 p.m.

Nonstop5h 49m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 11/12

2:24 p.m.-10:38 p.m.

1 stop11h 14m

Seattle/Tacoma Intl

Tue 16/12

11:59 p.m.-10:53 a.m.

1 stop7h 54m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 3/12

6:05 p.m.-10:02 p.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Mon 8/12

7:55 a.m.-4:49 p.m.

Nonstop5h 54m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 4/12

6:05 p.m.-10:02 p.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Mon 8/12

7:55 a.m.-4:49 p.m.

Nonstop5h 54m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 2/10

6:49 p.m.-10:30 p.m.

Nonstop6h 41m

Seattle/Tacoma Intl

Sun 5/10

8:30 a.m.-5:29 p.m.

Nonstop5h 59m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 19/12

7:25 a.m.-11:22 a.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Sun 4/1

9:20 p.m.-6:05 a.m.

Nonstop5h 45m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 17/12

6:34 p.m.-10:30 p.m.

Nonstop6h 56m

Seattle/Tacoma Intl

Wed 7/1

7:55 a.m.-4:55 p.m.

Nonstop6h 00m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 19/12

7:25 a.m.-11:22 a.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Wed 7/1

7:55 a.m.-4:55 p.m.

Nonstop6h 00m

C$ 328

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 13/12

7:00 a.m.-12:42 p.m.

1 stop8h 42m

Seattle/Tacoma Intl

Tue 16/12

7:00 a.m.-8:09 p.m.

1 stop10h 09m

C$ 349

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 15/12

6:05 p.m.-10:02 p.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Wed 7/1

8:00 a.m.-5:05 p.m.

Nonstop6h 05m

C$ 356

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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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 29 August 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 78 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, January is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 262). Flying from Miami to Seattle in December is currently the most expensive (average of C$ 353). 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 11 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 43% on flights from Miami to Seattle by exploring options for tickets in the morning.

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 6 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 56m. There are 4376 km between Miami and Seattle. Most flights are nonstop.

  • 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: Qatar Airways (79%), American Airlines (70%), GOL( 70%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 234. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 603 on average, our data indicates C$ 493 when flying from Miami to Seattle.

  • 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, January is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 262). Flying from Miami to Seattle in December is currently the most expensive (average of C$ 353). 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
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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