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Cheap flights from Miami to Seattle from C$ 163

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in October or May, booked 24 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 10 March 2026.

Thu 16/46:05 p.m.
MIA
-
SEA
1 stop9h 00m
Southwest
Sun 26/411:55 p.m.
SEA
-
MIA
1 stop9h 15m
Southwest
Deal found 6/3C$ 270
Thu 23/46:05 p.m.
MIA
-
SEA
1 stop9h 00m
Southwest
Wed 29/46:00 a.m.
SEA
-
MIA
2 stops12h 10m
Southwest
Deal found 5/3C$ 277
Thu 23/45:25 p.m.
MIA
-
SEA
Nonstop6h 40m
Delta
Wed 29/47:15 a.m.
SEA
-
MIA
Nonstop5h 56m
Delta
Deal found 9/3C$ 282
Tue 5/57:10 a.m.
MIA
-
SEA
1 stop10h 41m
Delta
Thu 7/57:50 a.m.
SEA
-
MIA
Nonstop6h 00m
Delta
Deal found 9/3C$ 284
Tue 28/43:00 p.m.
MIA
-
SEA
2 stops11h 35m
Southwest
Thu 30/45:15 a.m.
SEA
-
MIA
1 stop14h 35m
Southwest
Deal found 6/3C$ 285
Thu 23/45:25 p.m.
MIA
-
SEA
Nonstop6h 40m
Delta
Sun 26/411:59 p.m.
SEA
-
MIA
1 stop10h 41m
Delta
Deal found 9/3C$ 296
Tue 7/47:12 p.m.
MIA
-
SEA
1 stop16h 33m
Delta
Mon 13/411:14 p.m.
SEA
-
MIA
1 stop7h 41m
Delta
Deal found 8/3C$ 315
Wed 8/47:05 a.m.
MIA
-
SEA
1 stop10h 49m
Delta
Wed 15/46:00 a.m.
SEA
-
MIA
1 stop9h 06m
Delta
Deal found 5/3C$ 322
Tue 14/47:10 a.m.
MIA
-
SEA
1 stop10h 41m
Delta
Mon 18/57:50 a.m.
SEA
-
MIA
Nonstop6h 00m
Delta
Deal found 7/3C$ 323
Thu 2/44:53 p.m.
MIA
-
SEA
1 stop9h 19m
United Airlines
Tue 7/47:37 p.m.
SEA
-
MIA
1 stop9h 17m
United Airlines
Deal found 7/3C$ 324
Fri 3/47:12 p.m.
MIA
-
SEA
1 stop16h 33m
Delta
Mon 13/411:14 p.m.
SEA
-
MIA
1 stop7h 41m
Delta
Deal found 8/3C$ 328

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 10 March 2026.

Round-trip from

C$ 270

One-way from

C$ 163

Popular in

November

Cheapest in

October

Average price

C$ 503

Good one-way deal

C$ 539 or less
Southwest
  • Southwest
  • 16/4-26/4
  • 2 total stops
  • 18h 15m total
  • Miami to Seattle
Search Deals
Delta
  • Delta
  • 1/4
  • Nonstop
  • 6h 52m total
  • Miami to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Miami to Seattle/Tacoma Intl.
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 10 March 2026.
Use the filters below to find and compare flights from Miami to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/5

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

Seattle/Tacoma Intl

Tue 5/5

7:15 a.m.-4:11 p.m.

Nonstop5h 56m

C$ 337

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 22/4

6:04 p.m.-9:47 p.m.

Nonstop6h 43m

Seattle/Tacoma Intl

Sat 25/4

7:55 a.m.-5:04 p.m.

Nonstop6h 09m

C$ 377

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 23/4

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

1 stop9h 00m

Seattle/Tacoma Intl

Thu 30/4

5:30 a.m.-11:00 p.m.

2 stops14h 30m

C$ 392

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 21/5

8:00 a.m.-3:05 p.m.

1 stop10h 05m

Seattle/Tacoma Intl

Mon 25/5

7:50 a.m.-4:50 p.m.

Nonstop6h 00m

C$ 430

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 28/4

3:00 p.m.-10:30 p.m.

2 stops10h 30m

Seattle/Tacoma Intl

Thu 30/4

6:30 a.m.-10:50 p.m.

2 stops13h 20m

C$ 432

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 22/4

9:00 a.m.-6:00 p.m.

2 stops12h 00m

Seattle/Tacoma Intl

Sat 25/4

6:30 a.m.-6:28 p.m.

1 stop8h 58m

C$ 494

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 3/6

3:00 p.m.-11:35 p.m.

2 stops11h 35m

Seattle/Tacoma Intl

Mon 8/6

7:20 p.m.-10:45 a.m.

2 stops12h 25m

C$ 498

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sun 3/5

6:30 a.m.-2:40 p.m.

2 stops11h 10m

Seattle/Tacoma Intl

Sun 3/5

11:55 p.m.-12:10 p.m.

1 stop9h 15m

C$ 518

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 2/4

3:15 p.m.-1:25 a.m.

2 stops13h 10m

Seattle/Tacoma Intl

Tue 7/4

11:45 p.m.-2:15 p.m.

2 stops11h 30m

C$ 535

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sun 3/5

7:10 a.m.-2:51 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Sun 3/5

11:14 p.m.-9:55 a.m.

1 stop7h 41m

C$ 540

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 6 March 2026.

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 24 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, October is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 179). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 282). 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 10 March 2026.

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.

How much does it cost to fly round-trip from Miami to Seattle?

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 52m. 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: Finnair (76%), Hawaiian Airlines (74%), Air Tahiti Nui( 72%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 238. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 471 on average, our data indicates C$ 1,385 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, October is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 179). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 282). 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
SeaTac
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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