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$139+ Cheap flights from Miami to Seattle (MIA - SEA)

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in January or February, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 September 17, 2025.

Round-trip from

$213
(Frontier)

One-way from

$139
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$317

Good round-trip deal

$281 or less

Good one-way deal

$173 or less
From Miami to Seattle/Tacoma Intl
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One-way flight from Miami to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 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 round-trip flight from Miami to Seattle/Tacoma Intl.
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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 September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:24 pmMIA - SEA
2 stops17h 49mFrontier
Sat 11/812:58 pmSEA - MIA
1 stop14h 21mFrontier
Deal found 9/15$213
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:50 pmMIA - SEA
Nonstop6h 45mAmerican Airlines
Wed 10/158:49 pmSEA - MIA
Nonstop5h 41mAmerican Airlines
Deal found 9/15$217
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:50 pmMIA - SEA
Nonstop6h 45mAmerican Airlines
Wed 10/158:49 pmSEA - MIA
Nonstop5h 41mAmerican Airlines
Deal found 9/15$218
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amMIA - SEA
1 stop9h 13mFrontier
Sun 11/162:22 pmSEA - MIA
1 stop12h 57mFrontier
Deal found 9/15$219
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:43 pmMIA - SEA
2 stops15h 50mFrontier
Thu 11/61:08 pmSEA - MIA
1 stop14h 11mFrontier
Deal found 9/15$220
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amMIA - SEA
1 stop9h 13mFrontier
Fri 11/142:22 pmSEA - MIA
1 stop12h 57mFrontier
Deal found 9/15$222
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:45 amMIA - SEA
1 stop16h 54mFrontier
Fri 10/102:31 pmSEA - MIA
1 stop12h 48mFrontier
Deal found 9/16$223
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amMIA - SEA
1 stop9h 13mFrontier
Fri 11/72:22 pmSEA - MIA
1 stop12h 57mFrontier
Deal found 9/15$224
This Vliegwinkel deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:43 pmMIA - SEA
Nonstop6h 47mHawaiian Airlines
Wed 10/158:30 amSEA - MIA
Nonstop5h 59mHawaiian Airlines
Deal found 9/16$230
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:43 pmMIA - SEA
Nonstop6h 47mAlaska Airlines
Wed 10/228:30 amSEA - MIA
Nonstop5h 59mAlaska Airlines
Deal found 9/17$232
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 amMIA - SEA
1 stop9h 07mFrontier
Fri 10/178:43 pmSEA - MIA
1 stop30h 36mFrontier
Deal found 9/15$234

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 2,558,603 searches. Data last updated September 17, 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 10/10

6:43 pm-10:30 pm

Nonstop6h 47m

Seattle/Tacoma Intl

Mon 10/13

8:30 am-5:29 pm

Nonstop5h 59m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 10/9

6:05 pm-9:47 pm

Nonstop6h 42m

Seattle/Tacoma Intl

Wed 10/15

8:00 am-4:54 pm

Nonstop5h 54m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/24

7:25 am-11:22 am

Nonstop6h 57m

Seattle/Tacoma Intl

Mon 1/5

9:20 pm-6:05 am

Nonstop5h 45m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 10/14

6:45 am-12:51 pm

1 stop9h 06m

Seattle/Tacoma Intl

Tue 10/21

10:54 pm-12:18 pm

1 stop10h 24m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 1/8

5:55 pm-9:25 pm

Nonstop6h 30m

Seattle/Tacoma Intl

Tue 1/13

7:55 am-4:55 pm

Nonstop6h 00m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/24

6:00 pm-9:54 pm

Nonstop6h 54m

Seattle/Tacoma Intl

Tue 1/6

9:20 pm-6:05 am

Nonstop5h 45m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/24

5:00 pm-8:50 pm

Nonstop6h 50m

Seattle/Tacoma Intl

Mon 1/5

8:00 am-5:05 pm

Nonstop6h 05m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 10/9

6:43 pm-10:30 pm

Nonstop6h 47m

Seattle/Tacoma Intl

Wed 10/15

8:30 am-5:29 pm

Nonstop5h 59m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 12/4

6:34 pm-10:30 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Wed 12/10

8:45 am-5:34 pm

Nonstop5h 49m

$237

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/24

6:00 pm-9:54 pm

Nonstop6h 54m

Seattle/Tacoma Intl

Thu 1/1

8:05 am-5:00 pm

Nonstop5h 55m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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The best insider tips for Miami to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Seattle trip
Airports
MIA

For a quick check-in, use the MIA Mover train to reach the Miami Intermodal Center for public transport options.

Read more about MIAby Ramsey Qubein
SEA

Use the Link light rail from SEA to downtown Seattle for an affordable, 40-minute journey with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MIA

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 September 12, 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $238). Flying from Miami to Seattle in June is currently the most expensive (average of $387). 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 September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Miami to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Miami to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Miami to Seattle. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Miami to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Miami to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

  • What airports do I use to fly from Miami to Seattle?

    To fly from Miami to Seattle, you need to book a flight from Miami (MIA) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Miami take 6h 21m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from Miami to Seattle/Tacoma Intl offered by 7 different airlines.

  • How popular is this Miami to Seattle flight route?

    Within the past month, 44 users have taken a look at flights from Miami to Seattle/Tacoma Intl.

  • How long is the flight from Miami to Seattle?

    Airlines like Hawaiian Airlines, Delta, and Alaska Airlines fly from Miami to Seattle in about 6h 42m. The time it takes to get you to your destination is usually consistent. The distance from Miami to Seattle is about 2719 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Frontier ($108), Spirit Airlines ($123), and Hawaiian Airlines ($128) offers the cheapest pricing from Miami to Seattle. Frontier is priced at 68% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $139. Users have also found prices from $139 and $139 on United Airlines and Alaska Airlines, respectively.

  • What are the most reliable airlines from Miami to Seattle?

    Consider American Airlines (65%), GOL (65%) or Qatar Airways (56%) when booking your flight. These represent the most reliable airlines when flying from Miami to Seattle.

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for $168 on average, our data indicates $664 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 $238). Flying from Miami to Seattle in June is currently the most expensive (average of $387). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Miami to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Miami to Seattle

Discover the top 7 airlines that operate flights from Miami to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$307FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$123Average$236FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$128Average$266FlexibilityNo cancel feeOn-time85%
DeltaCheapest$194Average$342FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$381FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$250Average$433FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$405FlexibilityNo cancel feeOn-time69%

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