How often are flights from Miami to Seattle delayed?

About 21% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 151 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Miami to Seattle flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

What is the most punctual flight time for Miami to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How popular is this Miami to Seattle flight route?

Within the past month, 30 users have taken a look at flights from Miami to Seattle/Tacoma Intl.

How long is the flight from Miami to Seattle?

Airlines like Delta and Alaska Airlines fly from Miami to Seattle in about 6h 58m. 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 ($98), Hawaiian Airlines ($118), and Delta ($158) offers the cheapest pricing from Miami to Seattle. Frontier is priced at 71% 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 Spirit Airlines. According to our data, you can fly for as low as $70. Users have also found prices from $93 and $118 on Frontier and United Airlines, respectively.

Weekly flight availability from Miami to Seattle

The most flights from MIA to SEA are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Miami to Seattle?

Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for $199 on average, our data indicates $849 when flying from Miami to Seattle.

What are the most reliable airlines from Miami to Seattle?

Consider Hawaiian Airlines (76%), Air Tahiti Nui (76%) or American Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Miami to Seattle.

What are the most popular airlines that fly from Miami to Seattle?

The most popular airlines flying from Miami to Seattle are Delta, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Miami-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Miami-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Miami-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Miami-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 40m on average. When it comes time to book airfare, you have a few options: there are 12 outbound flights from Miami to Seattle/Tacoma Intl offered by 6 different airlines.

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.

$132+ Flights from Miami to Seattle

Q: How much does it cost to fly round-trip from Miami to Seattle?

Airfare is below average for this route at the moment. Miami to Seattle flights typically cost between $257 and $510 in February. The cheapest round-trip price found within the last 3 days was $198 on Frontier (Feb 13-Feb 22).

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Find cheap flights from Miami to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in February or October, booked 87 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap 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 December 28, 2025.

Wed 12/316:05 amMIA - SEA

1 stop9h 25mFrontier

Sun 1/42:54 pmSEA - MIA

1 stop11h 06mFrontier

Deal found 12/26

$448

Wed 12/315:30 amMIA - SEA

2 stops34h 00mFrontier

Thu 1/89:23 pmSEA - MIA

2 stops48h 23mFrontier

Deal found 12/26

$489

Tue 12/309:59 pmMIA - SEA

2 stops17h 31mMultiple Airlines

Fri 2/2712:00 pmSEA - MIA

1 stop14h 14mMultiple Airlines

Deal found 12/26

$533

Sun 12/289:01 pmMIA - SEA

2 stops24h 52mFrontier

Tue 1/67:13 pmSEA - MIA

2 stops18h 20mFrontier

Deal found 12/26

$554

Sun 12/287:01 pmMIA - SEA

2 stops26h 52mFrontier

Sun 1/42:54 pmSEA - MIA

2 stops28h 06mFrontier

Deal found 12/27

$625

Sun 12/286:11 pmMIA - SEA

Nonstop6h 54mAlaska Airlines

Thu 1/18:16 amSEA - MIA

Nonstop5h 55mAlaska Airlines

Deal found 12/25

$648

Best flights from Miami to Seattle
Discover carefully curated flight deals from Miami to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Fri 1/235:37 pmMIA - SEA

Nonstop6h 58mDelta

Mon 1/267:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/27

$199

Fri 2/275:59 pmMIA - SEA

Nonstop7h 05mAlaska Airlines

Tue 3/38:08 amSEA - MIA

Nonstop5h 51mAlaska Airlines

Deal found 12/27

$199

Tue 2/105:37 pmMIA - SEA

Nonstop6h 58mDelta

Tue 2/178:30 amSEA - MIA

Nonstop5h 44mDelta

Deal found 12/27

$199

Fri 3/206:04 pmMIA - SEA

Nonstop6h 56mAlaska Airlines

Sun 3/298:05 amSEA - MIA

Nonstop5h 59mAlaska Airlines

Deal found 12/26

$199

Tue 1/275:37 pmMIA - SEA

Nonstop6h 58mDelta

Tue 2/37:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/28

$199

Wed 1/285:37 pmMIA - SEA

Nonstop6h 58mDelta

Wed 2/47:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/26

$199

Fri 1/235:37 pmMIA - SEA

Nonstop6h 58mDelta

Thu 1/297:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/25

$199

Wed 2/186:29 pmMIA - SEA

Nonstop6h 46mDelta

Wed 2/258:30 amSEA - MIA

1 stop10h 21mDelta

Deal found 12/26

$209

Fri 1/235:37 pmMIA - SEA

Nonstop6h 58mDelta

Wed 1/287:10 amSEA - MIA

1 stop10h 16mDelta

Deal found 12/27

$209

Fri 3/66:34 pmMIA - SEA

Nonstop6h 56mDelta

Mon 3/95:55 pmSEA - MIA

1 stop9h 54mDelta

Deal found 12/26

$209

Last-minute flights from Miami to Seattle
Discover last-minute flight deals from Miami to Seattle. Data last updated December 28, 2025 and is based on user searches.

Wed 1/144:01 pmMIA - SEA

2 stops22h 08mMultiple Airlines

Sat 1/173:58 pmSEA - MIA

1 stop10h 20mMultiple Airlines

Deal found 12/26

$203

Wed 1/1410:07 amMIA - SEA

1 stop28h 02mFrontier

Sat 1/173:58 pmSEA - MIA

1 stop10h 20mFrontier

Deal found 12/26

$204

Wed 1/1410:07 amMIA - SEA

1 stop28h 02mFrontier

Fri 1/2312:34 pmSEA - MIA

1 stop8h 25mFrontier

Deal found 12/26

$212

Wed 1/1410:07 amMIA - SEA

1 stop28h 02mMultiple Airlines

Mon 1/1910:51 amSEA - MIA

2 stops22h 05mMultiple Airlines

Deal found 12/26

$213

Fri 1/165:37 pmMIA - SEA

Nonstop6h 58mDelta

Sun 1/257:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/26

$200

Fri 1/165:37 pmMIA - SEA

Nonstop6h 58mDelta

Tue 1/2011:10 pmSEA - MIA

1 stop8h 16mDelta

Deal found 12/26

$209

Sat 1/179:25 amMIA - SEA

1 stop28h 44mMultiple Airlines

Sat 1/2412:54 pmSEA - MIA

2 stops20h 02mMultiple Airlines

Deal found 12/26

$208

Fri 1/235:37 pmMIA - SEA

Nonstop6h 58mDelta

Thu 1/297:35 amSEA - MIA

Nonstop5h 52mDelta

Deal found 12/25

$199

Fri 1/238:36 pmMIA - SEA

2 stops41h 43mFrontier

Fri 1/3012:34 pmSEA - MIA

1 stop8h 25mFrontier

Deal found 12/26

$201

Tue 1/276:18 pmMIA - SEA

1 stop17h 53mMultiple Airlines

Tue 2/34:33 pmSEA - MIA

2 stops25h 26mMultiple Airlines

Deal found 12/28

$220

One-way flights from Miami to Seattle
Search for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Tue 1/201:01 pmMIA - SEA

2 stops49h 18mMultiple Airlines

Deal found 12/26

$132

Fri 2/276:25 amMIA - SEA

1 stop32h 36mFrontier

Deal found 12/28

$133

Tue 3/1712:00 pmMIA - SEA

2 stops11h 58mUnited Airlines

Deal found 12/28

$134

Sun 1/186:20 amMIA - SEA

2 stops12h 24mUnited Airlines

Deal found 12/26

$135

Tue 2/249:53 pmMIA - SEA

3 stops37h 20mMultiple Airlines

Deal found 12/28

$136

Tue 3/39:53 pmMIA - SEA

3 stops37h 20mMultiple Airlines

Deal found 12/26

$137

Wed 4/156:07 pmMIA - SEA

Nonstop6h 56mAlaska Airlines

Deal found 12/27

$138

Tue 1/207:45 pmMIA - SEA

Nonstop6h 57mAmerican Airlines

Deal found 12/28

$139

Thu 4/93:36 pmMIA - SEA

2 stops23h 54mFrontier

Deal found 12/27

$140

Wed 1/212:57 pmMIA - SEA

3 stops21h 39mMultiple Airlines

Deal found 12/28

$141

Tue 1/131:01 pmMIA - SEA

2 stops49h 08mMultiple Airlines

Deal found 12/28

$142

Thu 2/197:05 amMIA - SEA

3 stops28h 46mMultiple Airlines

Deal found 12/28

$143

Find flight deals from Miami to Seattle

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$199 (Delta)
One-way from	$132 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$377
Good round-trip deal	$300 or less
Good one-way deal	$204 or less

Provider with most accurate pricing for Miami-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Miami-Seattle/Tacoma Intl flights.

Search Deals

From Miami to Seattle/Tacoma Intl

Search Deals

One-way flight from Miami to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Miami to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Miami to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/23

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Mon 1/26

7:35 am-4:27 pm

Nonstop5h 52m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 2/27

5:59 pm-10:04 pm

Nonstop7h 05m

Seattle/Tacoma Intl

Tue 3/3

8:08 am-4:59 pm

Nonstop5h 51m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 2/10

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Tue 2/17

8:30 am-5:14 pm

Nonstop5h 44m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 3/20

6:04 pm-10:00 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Sun 3/29

8:05 am-5:04 pm

Nonstop5h 59m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 1/27

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Tue 2/3

7:35 am-4:27 pm

Nonstop5h 52m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 1/28

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Wed 2/4

7:35 am-4:27 pm

Nonstop5h 52m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/23

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Thu 1/29

7:35 am-4:27 pm

Nonstop5h 52m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 2/18

6:29 pm-10:15 pm

Nonstop6h 46m

Seattle/Tacoma Intl

Wed 2/25

8:30 am-9:51 pm

1 stop10h 21m

$209

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/23

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Wed 1/28

7:10 am-8:26 pm

1 stop10h 16m

$209

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 3/6

6:34 pm-10:30 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Mon 3/9

5:55 pm-6:49 am

1 stop9h 54m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 21 results

Compare providers for flights from Miami to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
JustAirTicket	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Miami-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Miami-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Miami-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Miami-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Prices

Airlines

Delays

How far ahead should I book a flight from Miami to Seattle?

Booking 87 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, February is the cheapest month in which you can book a flight from Miami to Seattle (average of $107). Flying from Miami to Seattle in November is currently the most expensive (average of $208). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to Seattle as you normally would.

How much does it cost to fly round-trip from Miami to Seattle?

The best insider tips for Miami to Seattle flights

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.

SEA

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

Our travel experts

Ramsey Qubein

Expert on MIA

Brandon Schultz

Expert on SEA

Reviews of airlines servicing Seattle

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

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,554 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,016 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.2

Good

11,071 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Frontier

5.7

Fair

3,063 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

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 40m on average. When it comes time to book airfare, you have a few options: there are 12 outbound flights from Miami to Seattle/Tacoma Intl offered by 6 different airlines.
How popular is this Miami to Seattle flight route?
Within the past month, 30 users have taken a look at flights from Miami to Seattle/Tacoma Intl.
How long is the flight from Miami to Seattle?
Airlines like Delta and Alaska Airlines fly from Miami to Seattle in about 6h 58m. 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 ($98), Hawaiian Airlines ($118), and Delta ($158) offers the cheapest pricing from Miami to Seattle. Frontier is priced at 71% 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 Spirit Airlines. According to our data, you can fly for as low as $70. Users have also found prices from $93 and $118 on Frontier and United Airlines, respectively.
What are the most reliable airlines from Miami to Seattle?
Consider Hawaiian Airlines (76%), Air Tahiti Nui (76%) or American Airlines (75%) 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 $128. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for $199 on average, our data indicates $849 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, February is the cheapest month in which you can book a flight from Miami to Seattle (average of $107). Flying from Miami to Seattle in November is currently the most expensive (average of $208). 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

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Other flights to Seattle

Top 6 airlines flying from Miami to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$108	Average$305	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$138	Average$280	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$187	Average$341	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$209	Average$361	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$257	Average$423	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$259	Average$357	FlexibilityNo cancel fee	On-time69%

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$132+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Miami to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in February or October, booked 87 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Miami to Seattle

Cheapest flights from Miami to SeattleExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Miami to Seattle

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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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.

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Everything you need to know about your flight from Miami to Seattle

How far ahead should I book a flight from Miami to Seattle?

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Weekly flight availability from Miami to Seattle

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The best insider tips for Miami to Seattle flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Seattle trip

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Reviews of airlines servicing Seattle

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.

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?

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

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

What are the most reliable airlines from Miami to Seattle?

What are the cheapest flights from Miami to Seattle?

Can I find deals for flights from Miami to Seattle that include hotel bookings?

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Alternative routes for Miami to Seattle

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Top 6 airlines flying from Miami to Seattle

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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 December 28, 2025.