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Cheap flights from Miami to Seattle from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Seattle departing on 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Hawaiian Airlines Logo
6:46 pm - 10:30 pmMIA-SEA
6h 44mnonstop
Hawaiian Airlines Logo
9:15 pm - 5:57 amSEA-MIA
5h 42mnonstop
$190Hawaiian Airlines
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Fri, Oct 31 - Mon, Nov 24
Frontier Logo
6:50 am - 12:14 pmMIA-SEA
32h 24m1 stop
Frontier Logo
12:48 pm - 5:19 amSEA-MIA
13h 31m1 stop
$192Frontier
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Wed, Dec 3 - Sun, Dec 7
Frontier Logo
6:00 am - 12:13 pmMIA-SEA
9h 13m1 stop
Frontier Logo
1:37 pm - 12:29 pmSEA-MIA
19h 52m2 stops
$195Frontier
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Sat, Nov 1 - Tue, Nov 4
Delta Logo
6:05 pm - 10:12 pmMIA-SEA
7h 07mnonstop
Delta Logo
8:00 am - 5:05 pmSEA-MIA
6h 05mnonstop
$199Delta
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Fri, Jan 9 - Tue, Jan 20
Alaska Airlines Logo
6:46 pm - 10:30 pmMIA-SEA
6h 44mnonstop
Alaska Airlines Logo
9:15 pm - 5:57 amSEA-MIA
5h 42mnonstop
$207Alaska Airlines
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Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
6:00 am - 12:13 pmMIA-SEA
9h 13m1 stop
Multiple Airlines Logo
7:17 pm - 12:08 amSEA-MIA
25h 51m2 stops
$209Multiple Airlines
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Fri, Nov 7 - Sun, Nov 9
Multiple Airlines Logo
6:00 am - 12:13 pmMIA-SEA
9h 13m1 stop
Multiple Airlines Logo
3:40 pm - 8:23 amSEA-MIA
37h 43m2 stops
$216Multiple Airlines
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Fri, Oct 31 - Fri, Dec 5
Alaska Airlines Logo
6:46 pm - 10:30 pmMIA-SEA
6h 44mnonstop
Alaska Airlines Logo
8:53 am - 5:46 pmSEA-MIA
5h 53mnonstop
$217Alaska Airlines
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Thu, Nov 13 - Tue, Nov 18
Delta Logo
6:05 pm - 9:47 pmMIA-SEA
6h 42mnonstop
Delta Logo
7:55 am - 4:49 pmSEA-MIA
5h 54mnonstop
$219Delta
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Thu, Nov 6 - Mon, Nov 10
American Airlines Logo
7:50 pm - 11:35 pmMIA-SEA
6h 45mnonstop
American Airlines Logo
10:08 pm - 6:49 amSEA-MIA
5h 41mnonstop
$243American Airlines
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Fri, Oct 31 - Tue, Dec 2

Alaska Airlines flights from Miami to Seattle

Our best Alaska Airlines deals on Miami to Seattle flight tickets
Alaska Airlines
Nov 20
MIA6:46 pmMiami
6h 44m
SEA10:30 pmSeattle/Tacoma Intl
Nov 24
SEA9:15 pmSeattle/Tacoma Intl
5h 42m
MIA5:57 amMiami
$207
Find similar
Alaska Airlines
Nov 13
MIA6:46 pmMiami
6h 44m
SEA10:30 pmSeattle/Tacoma Intl
Nov 18
SEA8:53 amSeattle/Tacoma Intl
5h 53m
MIA5:46 pmMiami
$217
Find similar
Alaska Airlines
Nov 6
MIA6:46 pmMiami
6h 44m
SEA10:30 pmSeattle/Tacoma Intl
Dec 2
SEA8:45 amSeattle/Tacoma Intl
5h 49m
MIA5:34 pmMiami
$218
Find similar

Hawaiian Airlines flights from Miami to Seattle

Our best Hawaiian Airlines deals on Miami to Seattle flight tickets
Hawaiian Airlines
Oct 31
MIA6:46 pmMiami
6h 44m
SEA10:30 pmSeattle/Tacoma Intl
Nov 24
SEA9:15 pmSeattle/Tacoma Intl
5h 42m
MIA5:57 amMiami
$190
Find similar
Hawaiian Airlines
Oct 31
MIA6:46 pmMiami
6h 44m
SEA10:30 pmSeattle/Tacoma Intl
Nov 24
SEA5:20 amSeattle/Tacoma Intl
7h 37m
1 stop
MIA3:57 pmMiami
$224
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
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

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 10/31

6:46 pm-10:30 pm

Nonstop6h 44m

Seattle/Tacoma Intl

Mon 11/24

9:15 pm-5:57 am

Nonstop5h 42m

$190

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/3

6:50 am-12:14 pm

1 stop32h 24m

Seattle/Tacoma Intl

Sun 12/7

12:48 pm-5:19 am

1 stop13h 31m

$192

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 11/1

6:00 am-12:13 pm

1 stop9h 13m

Seattle/Tacoma Intl

Tue 11/4

1:37 pm-12:29 pm

2 stops19h 52m

$195

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/9

6:05 pm-10:12 pm

Nonstop7h 07m

Seattle/Tacoma Intl

Tue 1/20

8:00 am-5:05 pm

Nonstop6h 05m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 11/20

6:46 pm-10:30 pm

Nonstop6h 44m

Seattle/Tacoma Intl

Mon 11/24

9:15 pm-5:57 am

Nonstop5h 42m

$207

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 11/7

6:00 am-12:13 pm

1 stop9h 13m

Seattle/Tacoma Intl

Sun 11/9

7:17 pm-12:08 am

2 stops25h 51m

$209

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 10/31

6:00 am-12:13 pm

1 stop9h 13m

Seattle/Tacoma Intl

Fri 12/5

3:40 pm-8:23 am

2 stops37h 43m

$216

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 11/13

6:46 pm-10:30 pm

Nonstop6h 44m

Seattle/Tacoma Intl

Tue 11/18

8:53 am-5:46 pm

Nonstop5h 53m

$217

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 11/6

6:05 pm-9:47 pm

Nonstop6h 42m

Seattle/Tacoma Intl

Mon 11/10

7:55 am-4:49 pm

Nonstop5h 54m

$219

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 10/31

7:50 pm-11:35 pm

Nonstop6h 45m

Seattle/Tacoma Intl

Tue 12/2

10:08 pm-6:49 am

Nonstop5h 41m

$243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Miami to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Miami and Seattle?

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Miami to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you don’t want to visit Seattle in February, then you should wait until September to fly from Miami, when ticket prices are also cheap, with an average price of $299.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Miami is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $329. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Miami because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $497.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Miami at noon is the least expensive time of day to depart. momondo users have found prices as low as $338 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $506. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Miami to Seattle/Tacoma Intl flight route?

Fly from Miami to Seattle/Tacoma Intl for the best Miami - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Miami for as low as $276 on momondo.

What cabin class options are available on Miami to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Miami to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to Seattle flights?

No. A direct flight is the cheapest option for a flight between Miami to Seattle.

How have Miami to Seattle flight prices changed over time?

As of October 2025, prices for Miami to Seattle flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Miami to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Miami to Seattle (MIA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Seattle

Best Price Found

$158

Fastest flight time

6h 35m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Miami in the past 72 hours is $158. The best round-trip flight deal from Miami to Seattle found on momondo in the last 72 hours is $317.
The fastest flight from Miami to Seattle takes 6h 35m
Direct flights go from Miami to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Miami to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 2729.6 mi away from Miami. By plane, this route typically takes 6h 42m.

  • When did momondo last update prices for flights from Miami Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Miami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Miami Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Miami Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Miami to Seattle?

  • What is the most popular airline from Miami to Seattle?

Best airlines flying from Miami to Seattle

Compare and see reviews for airlines that fly from Miami to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,780 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $195Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Alaska AirlinesPriceFrom $219Free CancellationRating
8.0
11,095 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
United AirlinesPriceFrom $262Free CancellationRating
7.4
8,979 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Miami to Seattle

    Alaska Airlines flies from Miami to Seattle around 2 times per week, with 11,095 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Miami to Seattle in the last 72 hours was $219 (round-trip), much lower than the average airfare cost of $372 for Alaska Airlines flights on this route.

  • Delta Flights From Miami to Seattle

    The best Delta deal for Miami to Seattle flight tickets found on momondo in the last 72 hours was $195, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $341 round-trip. Delta operates 7 flights out of Miami into Seattle in an average week, so prices vary by time and availability. 7,979 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Tukwila
Lakewood
Kirkland
Fife
Centralia
Shoreline
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Miami to Seattle for you.

Can I find flights from Miami to Seattle with flexible booking policies on momondo?

All flight searches from Miami to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Miami to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Miami. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Miami to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Miami to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Seattle trip

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