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Cheap flights from Miami to Seattle from C$ 176

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

C$ 241

One-way from

C$ 176

Popular in

March

Cheapest in

January

Average price

C$ 528

Good one-way deal

C$ 361 or less
Delta
  • Delta
  • 18/9-29/9
  • Nonstop
  • 13h 00m total
  • Miami to Seattle
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Southwest
  • Southwest
  • 12/9
  • 1 total stop
  • 10h 25m total
  • Miami to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 13 June 2025.

Thu 18/96:05 p.m.MIA - SEA
Nonstop6h 55mDelta
Mon 29/98:00 a.m.SEA - MIA
Nonstop6h 05mDelta
Deal found 11/6C$ 241
Mon 13/106:26 p.m.MIA - SEA
Nonstop6h 39mAlaska Airlines
Wed 15/108:30 a.m.SEA - MIA
Nonstop5h 56mAlaska Airlines
Deal found 13/6C$ 252
Thu 18/94:40 p.m.MIA - SEA
1 stop8h 05mSouthwest
Tue 30/96:45 a.m.SEA - MIA
2 stops11h 55mSouthwest
Deal found 11/6C$ 275
Thu 10/77:00 a.m.MIA - SEA
1 stop12h 25mSpirit Airlines
Thu 10/75:30 p.m.SEA - MIA
1 stop9h 08mSpirit Airlines
Deal found 13/6C$ 334
Thu 2/106:31 p.m.MIA - SEA
Nonstop6h 34mHawaiian Airlines
Sun 12/108:30 a.m.SEA - MIA
Nonstop5h 56mHawaiian Airlines
Deal found 11/6C$ 338
Wed 16/74:53 p.m.MIA - SEA
2 stops11h 06mUnited Airlines
Sun 20/711:58 p.m.SEA - MIA
1 stop8h 06mUnited Airlines
Deal found 12/6C$ 357
Tue 15/76:00 a.m.MIA - SEA
1 stop20h 42mFrontier
Mon 28/77:48 p.m.SEA - MIA
1 stop7h 42mFrontier
Deal found 11/6C$ 416
Thu 16/1011:49 a.m.MIA - SEA
1 stop8h 30mSun Country Air
Sun 19/1011:59 p.m.SEA - MIA
1 stop7h 43mSun Country Air
Deal found 12/6C$ 429
Tue 15/73:08 p.m.MIA - SEA
1 stop8h 33mAmerican Airlines
Mon 28/78:16 p.m.SEA - MIA
Nonstop5h 44mAmerican Airlines
Deal found 11/6C$ 466

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 13 June 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 18/9

6:05 p.m.-10:00 p.m.

Nonstop6h 55m

Seattle/Tacoma Intl

Mon 29/9

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

Nonstop6h 05m

C$ 241

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 13/10

6:26 p.m.-10:05 p.m.

Nonstop6h 39m

Seattle/Tacoma Intl

Wed 15/10

8:30 a.m.-5:26 p.m.

Nonstop5h 56m

C$ 252

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 14/8

4:10 p.m.-11:35 p.m.

1 stop10h 25m

Seattle/Tacoma Intl

Mon 25/8

5:00 a.m.-3:15 p.m.

1 stop7h 15m

C$ 269

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 10/7

7:00 a.m.-4:25 p.m.

1 stop12h 25m

Seattle/Tacoma Intl

Thu 10/7

5:30 p.m.-5:38 a.m.

1 stop9h 08m

C$ 334

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 2/10

6:31 p.m.-10:05 p.m.

Nonstop6h 34m

Seattle/Tacoma Intl

Sun 12/10

8:30 a.m.-5:26 p.m.

Nonstop5h 56m

C$ 338

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 16/7

4:53 p.m.-12:59 a.m.

2 stops11h 06m

Seattle/Tacoma Intl

Sun 20/7

11:58 p.m.-11:04 a.m.

1 stop8h 06m

C$ 357

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 15/7

6:00 a.m.-11:42 p.m.

1 stop20h 42m

Seattle/Tacoma Intl

Mon 28/7

7:48 p.m.-6:30 a.m.

1 stop7h 42m

C$ 416

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 16/10

11:49 a.m.-5:19 p.m.

1 stop8h 30m

Seattle/Tacoma Intl

Sun 19/10

11:59 p.m.-10:42 a.m.

1 stop7h 43m

C$ 429

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 15/7

3:08 p.m.-8:41 p.m.

1 stop8h 33m

Seattle/Tacoma Intl

Mon 28/7

8:16 p.m.-5:00 a.m.

Nonstop5h 44m

C$ 466

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 12/9

4:10 p.m.-11:35 p.m.

1 stop10h 25m

C$ 176

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 16 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 9 June 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$ 261). 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 13 June 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Miami to Seattle by exploring options for tickets at noon.

Weekly flight availability from Miami to Seattle

Explore weekly flight availability from Miami to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from MIA to SEA are scheduled on a Friday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Miami to Seattle by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,496 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,791 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Miami to Seattle round-trip?

    Cheapflights users have booked flights from Miami to Seattle round-trip from C$ 241. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 252, and Southwest, from C$ 269. These flights start at 50% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Miami to Seattle one-way?

    The cheapest airlines for a one-way flight from Miami to Seattle are Southwest (C$ 176), United Airlines (C$ 183), and Delta (C$ 189).

  • 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 (84%), GOL (80%), American Airlines( 77%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 332. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 709 on average our data indicates C$ 611 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$ 261). 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 Miami?

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

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