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Cheap flights from Miami to Seattle from C$ 233

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in October or September, booked 39 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 8 June 2026.

Tue 11/812:50 p.m.
MIA
-
SEA
2 stops13h 15m
Southwest
Tue 18/86:40 a.m.
SEA
-
MIA
2 stops10h 20m
Southwest
Deal found 8/6C$ 496
Sun 13/96:05 p.m.
MIA
-
SEA
Nonstop6h 54m
Delta
Sun 11/108:25 a.m.
SEA
-
MIA
Nonstop6h 02m
Delta
Deal found 8/6C$ 498
Tue 11/86:20 p.m.
MIA
-
SEA
Nonstop6h 40m
Alaska Airlines
Wed 19/88:13 a.m.
SEA
-
MIA
Nonstop6h 06m
Alaska Airlines
Deal found 8/6C$ 500
Sat 29/86:40 a.m.
MIA
-
SEA
2 stops15h 25m
Delta
Mon 7/98:05 a.m.
SEA
-
MIA
Nonstop6h 06m
Delta
Deal found 3/6C$ 509
Fri 2/1012:35 p.m.
MIA
-
SEA
2 stops10h 50m
Southwest
Mon 5/105:00 a.m.
SEA
-
MIA
1 stop8h 45m
Southwest
Deal found 7/6C$ 510
Thu 3/96:21 p.m.
MIA
-
SEA
Nonstop6h 44m
Delta
Mon 7/98:05 a.m.
SEA
-
MIA
Nonstop6h 06m
Delta
Deal found 5/6C$ 512
Tue 11/86:20 p.m.
MIA
-
SEA
Nonstop6h 40m
Alaska Airlines
Thu 20/88:13 a.m.
SEA
-
MIA
Nonstop6h 06m
Alaska Airlines
Deal found 8/6C$ 514
Wed 5/86:20 p.m.
MIA
-
SEA
Nonstop6h 40m
Alaska Airlines
Wed 12/88:12 a.m.
SEA
-
MIA
Nonstop6h 05m
Alaska Airlines
Deal found 8/6C$ 517
Wed 9/92:20 p.m.
MIA
-
SEA
2 stops11h 45m
Southwest
Wed 23/98:55 a.m.
SEA
-
MIA
1 stop9h 55m
Southwest
Deal found 3/6C$ 518
Sat 29/86:40 a.m.
MIA
-
SEA
2 stops15h 25m
Delta
Sat 5/911:45 a.m.
SEA
-
MIA
2 stops15h 15m
Delta
Deal found 3/6C$ 520
Sun 6/97:40 a.m.
MIA
-
SEA
1 stop9h 35m
Southwest
Mon 14/911:05 p.m.
SEA
-
MIA
1 stop11h 20m
Southwest
Deal found 8/6C$ 521
Mon 31/87:15 a.m.
MIA
-
SEA
2 stops14h 50m
Delta
Tue 8/98:25 a.m.
SEA
-
MIA
Nonstop6h 07m
Delta
Deal found 3/6C$ 523

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 8 June 2026.

Round-trip from

C$ 496

One-way from

C$ 233

Popular in

June

Cheapest in

October

Average price

C$ 623

Good one-way deal

C$ 384 or less
Southwest
  • Southwest
  • 11/8-14/8
  • 4 total stops
  • 26h 05m total
  • Miami to Seattle
Search Deals
Southwest
  • Southwest
  • 15/10
  • 1 total stop
  • 9h 30m total
  • Miami to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 8 June 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

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 2/10

4:57 p.m.-11:26 p.m.

1 stop9h 29m

Seattle/Tacoma Intl

Sat 10/10

7:11 a.m.-8:58 p.m.

1 stop10h 47m

C$ 512
Quickest round-trip

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 21/11

8:00 a.m.-11:42 a.m.

Nonstop6h 42m

Seattle/Tacoma Intl

Tue 1/12

8:05 a.m.-5:06 p.m.

Nonstop6h 01m

C$ 517

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 18/11

6:05 p.m.-9:58 p.m.

Nonstop6h 53m

Seattle/Tacoma Intl

Tue 1/12

8:25 a.m.-5:27 p.m.

Nonstop6h 02m

C$ 528

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 29/7

6:20 p.m.-10:00 p.m.

Nonstop6h 40m

Seattle/Tacoma Intl

Thu 6/8

8:12 a.m.-5:17 p.m.

Nonstop6h 05m

C$ 542

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sun 2/8

6:26 p.m.-10:10 p.m.

Nonstop6h 44m

Seattle/Tacoma Intl

Wed 12/8

8:05 a.m.-5:11 p.m.

Nonstop6h 06m

C$ 542

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 18/8

6:45 a.m.-12:15 p.m.

1 stop8h 30m

Seattle/Tacoma Intl

Sun 23/8

5:20 a.m.-4:50 p.m.

1 stop8h 30m

C$ 549

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 24/11

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

1 stop9h 00m

Seattle/Tacoma Intl

Mon 30/11

9:30 p.m.-6:31 a.m.

Nonstop6h 01m

C$ 556

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 4/9

3:52 p.m.-11:04 p.m.

1 stop10h 12m

Seattle/Tacoma Intl

Tue 15/9

11:00 p.m.-2:46 p.m.

2 stops12h 46m

C$ 562

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 1/9

6:22 p.m.-10:00 p.m.

Nonstop6h 38m

Seattle/Tacoma Intl

Wed 2/9

8:13 a.m.-5:19 p.m.

Nonstop6h 06m

C$ 567

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 9/9

12:50 p.m.-11:05 p.m.

2 stops13h 15m

Seattle/Tacoma Intl

Fri 18/9

11:05 p.m.-1:35 p.m.

2 stops11h 30m

C$ 581

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 24 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?

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 90 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$ 414). Flying from Miami to Seattle in June is currently the most expensive (average of C$ 623). 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 8 June 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 4 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 42m. 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: American Airlines (82%), GOL (78%), Qatar Airways( 75%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 384. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 732 on average, our data indicates C$ 384 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$ 414). Flying from Miami to Seattle in June is currently the most expensive (average of C$ 623). 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
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Tukwila
Olympia
Marysville
Kirkland

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