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Cheap flights from Miami to Seattle from C$ 170

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in January or February, booked 79 days in advance, depart on a Monday or Tuesday and return on a Monday

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 25 March 2025.

Round-trip from

C$ 340

One-way from

C$ 170

Popular in

June

Cheapest in

January

Average price

C$ 643

Good one-way deal

C$ 170 or less
Delta
  • Delta
  • 2/5-5/5
  • Nonstop
  • 12h 41m total
  • Miami to Seattle
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Delta
  • Delta
  • 21/5
  • Nonstop
  • 6h 41m total
  • Miami to Seattle
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Highest demand for flights based on searches. 12% potential increase in price (C$ 112 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Fri 2/55:55 p.m.MIA - SEA
Nonstop6h 49mDelta
Mon 5/57:30 a.m.SEA - MIA
Nonstop5h 52mDelta
Deal found 24/3C$ 340
Fri 18/47:59 p.m.MIA - SEA
1 stop14h 00mAlaska Airlines
Sun 20/48:02 a.m.SEA - MIA
Nonstop6h 00mAlaska Airlines
Deal found 24/3C$ 354
Tue 6/59:00 a.m.MIA - SEA
2 stops12h 30mUnited Airlines
Tue 20/57:33 p.m.SEA - MIA
1 stop8h 56mUnited Airlines
Deal found 24/3C$ 375
Wed 4/66:21 p.m.MIA - SEA
Nonstop6h 39mHawaiian Airlines
Mon 9/68:25 a.m.SEA - MIA
Nonstop5h 56mHawaiian Airlines
Deal found 24/3C$ 397
Wed 23/47:00 a.m.MIA - SEA
1 stop12h 50mSouthwest
Sat 26/46:45 a.m.SEA - MIA
1 stop12h 55mSouthwest
Deal found 23/3C$ 427

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 25 March 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 2/5

5:55 p.m.-9:44 p.m.

Nonstop6h 49m

Seattle/Tacoma Intl

Mon 5/5

7:30 a.m.-4:22 p.m.

Nonstop5h 52m

C$ 340

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 18/4

7:59 p.m.-6:59 a.m.

1 stop14h 00m

Seattle/Tacoma Intl

Sun 20/4

8:02 a.m.-5:02 p.m.

Nonstop6h 00m

C$ 354

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 6/5

9:00 a.m.-6:30 p.m.

2 stops12h 30m

Seattle/Tacoma Intl

Tue 20/5

7:33 p.m.-7:29 a.m.

1 stop8h 56m

C$ 375

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 23/4

7:00 a.m.-4:50 p.m.

1 stop12h 50m

Seattle/Tacoma Intl

Sat 26/4

6:45 a.m.-10:40 p.m.

1 stop12h 55m

C$ 427

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 21/5

6:21 p.m.-10:00 p.m.

Nonstop6h 39m

C$ 170

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 2/5

7:22 a.m.-7:51 p.m.

1 stop15h 29m

C$ 175

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 29/4

4:48 p.m.-12:58 a.m.

1 stop11h 10m

C$ 185

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 22/5

6:21 p.m.-10:00 p.m.

Nonstop6h 39m

C$ 199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 24/4

6:00 a.m.-12:44 a.m.

1 stop21h 44m

C$ 229

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 5/5

5:55 p.m.-9:44 p.m.

Nonstop6h 49m

C$ 235

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 12 results
1
2

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 21 March 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 79 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 April is currently the most expensive (average of C$ 355). 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 25 March 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Miami to Seattle by exploring options for tickets in the morning.

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 25 March 2025.

The most flights from MIA to SEA are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 25 March 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
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

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$ 340. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 354, and Hawaiian Airlines, from C$ 368. These flights start at 38% 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 Delta (C$ 170), Spirit Airlines (C$ 175), and United Airlines (C$ 185).

  • 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 (90%), American Airlines (83%), Qatar Airways( 83%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 127. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 573 on average our data indicates C$ 567 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 April is currently the most expensive (average of C$ 355). 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
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

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