$188+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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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 January or October, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Miami to Seattle
Cheapest
Best
Last-minute
One-way
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 August 27, 2026.
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 August 27, 2026.
This CheapOair deal was found by Cheapflights users on 8/27. 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.
Wed 10/215:50 am -
1 stop12h 22m
Sat 10/244:27 pm -
1 stop29h 20m
Deal found 8/27![Frontier logo]()
$318
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Fri 10/235:50 am -
1 stop12h 22m
Wed 11/114:27 pm -
1 stop29h 17m
Deal found 8/26![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 8/23. 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.
Wed 10/145:50 am -
1 stop12h 22m
Wed 10/284:27 pm -
1 stop29h 17m
Deal found 8/23![Frontier logo]()
$322
This Super.com deal was found by Cheapflights users on 8/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:50 am -
1 stop12h 18m
Mon 10/54:27 pm -
1 stop29h 19m
Deal found 8/24![Frontier logo]()
$326
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:50 am -
1 stop12h 18m
Fri 9/254:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:43 pm -
2 stops20h 25m
Sat 9/264:27 pm -
1 stop29h 19m
Deal found 8/24![Frontier logo]()
$330
This Frontier deal was found by Cheapflights users on 8/22. 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 9/245:50 am -
1 stop12h 18m
Wed 9/304:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$331
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:50 am -
1 stop12h 18m
Sat 9/194:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:30 pm -
2 stops20h 38m
Tue 10/64:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$336
Best flights from Miami to SeattleDiscover 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 August 27, 2026.
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 August 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:16 pm -
Nonstop6h 38m
Wed 9/308:00 am -
Nonstop6h 13m
Deal found 8/23![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 8/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:19 pm -
Nonstop6h 36m
Mon 9/287:59 am -
Nonstop6h 08m
Deal found 8/24![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:00 am -
1 stop9h 32m
Wed 10/287:05 am -
1 stop8h 15m
Deal found 8/24![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:35 pm -
2 stops13h 05m
Mon 10/1212:10 am -
1 stop12h 35m
Deal found 8/22![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 8/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:40 pm -
2 stops11h 20m
Thu 11/196:30 am -
1 stop7h 55m
Deal found 8/26![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:00 pm -
1 stop10h 00m
Wed 9/305:20 am -
2 stops11h 55m
Deal found 8/25![Southwest logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:09 pm -
Nonstop6h 51m
Sat 11/288:13 am -
Nonstop5h 53m
Deal found 8/24![Alaska Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:19 pm -
Nonstop6h 36m
Thu 10/17:59 am -
Nonstop6h 08m
Deal found 8/23![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:45 am -
2 stops11h 52m
Wed 11/1110:50 am -
1 stop8h 41m
Deal found 8/24![United Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 8/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:00 pm -
2 stops9h 40m
Sat 10/176:15 am -
1 stop7h 25m
Deal found 8/26![Southwest logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:16 pm -
Nonstop6h 38m
Wed 9/168:00 am -
Nonstop6h 13m
Deal found 8/26![Alaska Airlines logo]()
$489
Last-minute flights from Miami to SeattleDiscover last-minute flight deals from Miami to Seattle. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Miami to Seattle. Data last updated August 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:50 am -
1 stop12h 18m
Sat 9/194:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$333
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:50 am -
1 stop12h 18m
Fri 9/254:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
1 stop12h 18m
Wed 9/307:25 pm -
2 stops26h 21m
Deal found 8/25![Frontier logo]()
$338
This CheapOair deal was found by Cheapflights users on 8/24. 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 9/195:50 am -
1 stop12h 18m
Sat 9/264:27 pm -
1 stop29h 19m
Deal found 8/24![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:43 pm -
2 stops20h 25m
Sat 9/264:27 pm -
1 stop29h 19m
Deal found 8/24![Frontier logo]()
$330
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:50 am -
1 stop12h 18m
Tue 9/294:27 pm -
1 stop29h 19m
Deal found 8/23![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:50 am -
1 stop12h 18m
Wed 9/304:27 pm -
1 stop29h 19m
Deal found 8/24![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:50 am -
1 stop12h 18m
Wed 9/307:25 pm -
2 stops18h 51m
Deal found 8/26![Frontier logo]()
$339
This Frontier deal was found by Cheapflights users on 8/22. 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 9/245:50 am -
1 stop12h 18m
Wed 9/304:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$331
This CheapOair deal was found by Cheapflights users on 8/27. 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.
Thu 9/245:50 am -
1 stop12h 18m
Tue 9/294:27 pm -
1 stop29h 19m
Deal found 8/27![Frontier logo]()
$343
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Fri 9/255:50 am -
1 stop12h 18m
Wed 9/304:27 pm -
1 stop29h 19m
Deal found 8/26![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:30 pm -
2 stops20h 38m
Tue 10/64:27 pm -
1 stop29h 19m
Deal found 8/22![Frontier logo]()
$336
One-way flights from Miami to SeattleSearch for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Wed 9/26:00 am -
1 stop30h 19m
Deal found 8/26![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:05 pm -
2 stops20h 37m
Deal found 8/27![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 8/26. 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 10/89:57 am -
1 stop8h 15m
Deal found 8/26![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:05 pm -
2 stops20h 37m
Deal found 8/26![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 8/22. 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 9/66:00 am -
1 stop10h 22m
Deal found 8/22![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:30 pm -
2 stops20h 38m
Deal found 8/26![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 am -
2 stops30h 48m
Deal found 8/23![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:43 pm -
2 stops38h 59m
Deal found 8/23![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 8/27. 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 9/185:50 am -
1 stop12h 18m
Deal found 8/27![Frontier logo]()
$200
Find 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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (CheapOair) |
One-way from | $188 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $426 |
Good round-trip deal | $386 or less |
Good one-way deal | $216 or less |
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 7,457,451 searches. Data last updated August 27, 2026.
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
Cheapest round-trip
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Fri 9/25
6:16 pm-9:54 pm
Nonstop6h 38m
Seattle/Tacoma Intl
Wed 9/30
8:00 am-5:13 pm
Nonstop6h 13m
$367
Quickest round-trip
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Wed 9/23
6:19 pm-9:55 pm
Nonstop6h 36m
Seattle/Tacoma Intl
Mon 9/28
7:59 am-5:07 pm
Nonstop6h 08m
$367
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Tue 10/27
9:00 am-3:32 pm
1 stop9h 32m
Seattle/Tacoma Intl
Wed 10/28
7:05 am-6:20 pm
1 stop8h 15m
$387
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Tue 10/6
12:35 pm-10:40 pm
2 stops13h 05m
Seattle/Tacoma Intl
Mon 10/12
12:10 am-3:45 pm
1 stop12h 35m
$398
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Thu 11/12
2:40 pm-11:00 pm
2 stops11h 20m
Seattle/Tacoma Intl
Thu 11/19
6:30 am-5:25 pm
1 stop7h 55m
$412
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Thu 9/24
4:00 pm-11:00 pm
1 stop10h 00m
Seattle/Tacoma Intl
Wed 9/30
5:20 am-8:15 pm
2 stops11h 55m
$412
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Sat 10/10
3:00 pm-9:40 pm
2 stops9h 40m
Seattle/Tacoma Intl
Sat 10/17
6:15 am-4:40 pm
1 stop7h 25m
$432
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Sat 11/21
6:09 pm-10:00 pm
Nonstop6h 51m
Seattle/Tacoma Intl
Sat 11/28
8:13 am-5:06 pm
Nonstop5h 53m
$456
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Sun 9/27
6:19 pm-9:55 pm
Nonstop6h 36m
Seattle/Tacoma Intl
Thu 10/1
7:59 am-5:07 pm
Nonstop6h 08m
$467
MiamiSeattle
MIA Miami - SEA Seattle/Tacoma Intl
MIASEA
Miami
Sat 9/12
6:16 pm-9:54 pm
Nonstop6h 38m
Seattle/Tacoma Intl
Wed 9/16
8:00 am-5:13 pm
Nonstop6h 13m
$489
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Miami to Seattle
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.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Seattle in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Miami-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
MIA-SEA
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 90 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 $338). Flying from Miami to Seattle in June is currently the most expensive (average of $506). 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 August 27, 2026.
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 often are flights from Miami to Seattle delayed?
About 23% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 173 minutes.
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 in the early afternoon tend to experience delays more often.
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, Alaska Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.
The best insider tips for Miami to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Seattle trip
Our travel experts
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 August 27, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Centralia
Puyallup
Kent
Tumwater
Ellensburg
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
Browse thousands of different options on Cheapflights for your next trip
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Seattle flight routes
Alternative routes for Miami to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Miami to Seattle by cabin class
Find flights from Miami to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Miami and Seattle flights
Browse other Miami and Seattle flight options. Last updated on August 27, 2026.
Other flights from Miami
Browse through other flights departing from Miami. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Top 8 airlines flying from Miami to Seattle
Discover the top 8 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$377 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$152 | Average$499 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$169 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$388 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$246 | Average$410 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$492 | FlexibilityNo cancel fee | On-time71% |