$105+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
Apr 26 — May 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 October or May, booked 24 days in advance, depart on a Wednesday or Friday 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 March 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 March 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 4/237:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 4/2710:11 pm
SEA
- MIA
2 stops34h 52m
Frontier
Deal found 3/23![Frontier logo]()
$199
This Trip.com deal was found by Cheapflights users on 3/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Sat 5/27:12 pm
SEA
- MIA
2 stops26h 37m
Frontier
Deal found 3/26![Frontier logo]()
$201
This Super.com deal was found by Cheapflights users on 3/24. 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 4/177:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 4/204:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 3/24![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/167:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Wed 4/227:12 pm
SEA
- MIA
2 stops24h 52m
Frontier
Deal found 3/25![Frontier logo]()
$206
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Fri 4/174:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 3/25![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Wed 4/227:00 am
MIA
- SEA
1 stop29h 27m
Multiple Airlines
Sun 4/264:20 pm
SEA
- MIA
2 stops13h 35m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$215
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:10 pm
MIA
- SEA
1 stop17h 12m
Frontier
Sun 5/243:19 pm
SEA
- MIA
1 stop11h 14m
Frontier
Deal found 3/25![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Wed 4/227:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Wed 4/297:12 pm
SEA
- MIA
1 stop30h 53m
Frontier
Deal found 3/25![Frontier logo]()
$217
This Booking.com deal was found by Cheapflights users on 3/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:41 pm
MIA
- SEA
1 stop15h 41m
Frontier
Sun 5/177:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/22![Frontier logo]()
$218
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 March 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 March 27, 2026.
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Tue 5/57:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 3/22![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 3/26. 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 4/2512:05 pm
MIA
- SEA
2 stops13h 05m
Southwest
Sat 5/211:55 pm
SEA
- MIA
2 stops12h 00m
Southwest
Deal found 3/26![Southwest logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 4/306:04 pm
MIA
- SEA
Nonstop6h 43m
Alaska Airlines
Mon 5/47:55 am
SEA
- MIA
Nonstop6h 09m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:37 am
MIA
- SEA
1 stop11h 18m
United Airlines
Wed 6/311:52 pm
SEA
- MIA
1 stop8h 32m
United Airlines
Deal found 3/22![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 3/23. 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.
Thu 5/76:05 pm
MIA
- SEA
Nonstop6h 50m
Delta
Sat 5/167:50 am
SEA
- MIA
Nonstop6h 00m
Delta
Deal found 3/23![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:05 pm
MIA
- SEA
Nonstop6h 50m
Delta
Fri 5/297:50 am
SEA
- MIA
Nonstop6h 00m
Delta
Deal found 3/25![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 3/25. 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.
Fri 4/2412:05 pm
MIA
- SEA
2 stops14h 25m
Southwest
Sat 4/255:45 am
SEA
- MIA
2 stops10h 55m
Southwest
Deal found 3/25![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:05 pm
MIA
- SEA
Nonstop6h 50m
Delta
Sun 5/317:50 am
SEA
- MIA
Nonstop6h 00m
Delta
Deal found 3/26![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/3010:50 am
MIA
- SEA
1 stop11h 54m
United Airlines
Mon 5/47:25 am
SEA
- MIA
1 stop10h 46m
United Airlines
Deal found 3/24![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:18 pm
MIA
- SEA
1 stop9h 24m
United Airlines
Mon 4/2710:35 pm
SEA
- MIA
2 stops12h 52m
United Airlines
Deal found 3/22![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 3/22. 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.
Thu 5/71:00 pm
MIA
- SEA
2 stops13h 30m
Southwest
Wed 5/136:00 am
SEA
- MIA
2 stops12h 10m
Southwest
Deal found 3/22![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:05 pm
MIA
- SEA
Nonstop6h 50m
Delta
Sun 5/317:50 am
SEA
- MIA
Nonstop6h 00m
Delta
Deal found 3/26![Delta logo]()
$404
Last-minute flights from Miami to SeattleDiscover last-minute flight deals from Miami to Seattle. Data last updated March 27, 2026 and is based on user searches.
Discover last-minute flight deals from Miami to Seattle. Data last updated March 27, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Mon 4/135:50 am
MIA
- SEA
1 stop30h 37m
Frontier
Mon 4/204:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 3/23![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Fri 4/174:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 3/25![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/167:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Wed 4/227:12 pm
SEA
- MIA
2 stops24h 52m
Frontier
Deal found 3/25![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 3/24. 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 4/177:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 4/204:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 3/24![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Wed 4/227:00 am
MIA
- SEA
1 stop29h 27m
Multiple Airlines
Sun 4/264:20 pm
SEA
- MIA
2 stops13h 35m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Wed 4/227:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Wed 4/297:12 pm
SEA
- MIA
1 stop30h 53m
Frontier
Deal found 3/25![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 4/237:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 4/2710:11 pm
SEA
- MIA
2 stops34h 52m
Frontier
Deal found 3/23![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Thu 4/237:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Tue 5/57:50 pm
SEA
- MIA
2 stops22h 55m
Frontier
Deal found 3/26![Frontier logo]()
$221
This Trip.com deal was found by Cheapflights users on 3/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Sat 5/27:12 pm
SEA
- MIA
2 stops26h 37m
Frontier
Deal found 3/26![Frontier logo]()
$201
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 March 27, 2026.
Search for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated March 27, 2026.
This Frontier deal was found by Cheapflights users on 3/27. 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.
Mon 4/277:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Deal found 3/27![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Tue 5/56:30 am
MIA
- SEA
2 stops30h 19m
Frontier
Deal found 3/26![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 3/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Deal found 3/27![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
MIA
- SEA
1 stop11h 01m
Frontier
Deal found 3/24![Frontier logo]()
$110
This CheapOair deal was found by Cheapflights users on 3/27. 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 4/157:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Deal found 3/27![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/143:12 pm
MIA
- SEA
2 stops21h 15m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/141:05 pm
MIA
- SEA
2 stops23h 22m
Frontier
Deal found 3/25![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/217:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Deal found 3/25![Frontier logo]()
$115
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
MIA
- SEA
1 stop31h 06m
Frontier
Deal found 3/25![Frontier logo]()
$116
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 March 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Booking.com) |
One-way from | $105 (Frontier) |
Popular in | November |
Cheapest in | October |
Average price | $364 |
Good round-trip deal | $369 or less |
Good one-way deal | $188 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 2,558,603 searches. Data last updated March 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
Quickest round-trip
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/30
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Tue 5/5
7:15 am-4:11 pm
Nonstop5h 56m
$317
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 5/7
6:05 pm-9:55 pm
Nonstop6h 50m
Seattle/Tacoma Intl
Sat 5/16
7:50 am-4:50 pm
Nonstop6h 00m
$344
MiamiSeattle
MIA - SEA
MIASEA
Miami
Sat 4/25
12:05 pm-10:10 pm
2 stops13h 05m
Seattle/Tacoma Intl
Sat 5/2
11:55 pm-2:55 pm
2 stops12h 00m
$350
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/30
6:04 pm-9:47 pm
Nonstop6h 43m
Seattle/Tacoma Intl
Mon 5/4
7:55 am-5:04 pm
Nonstop6h 09m
$357
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 5/21
6:05 pm-9:55 pm
Nonstop6h 50m
Seattle/Tacoma Intl
Fri 5/29
7:50 am-4:50 pm
Nonstop6h 00m
$357
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 5/21
6:05 pm-9:55 pm
Nonstop6h 50m
Seattle/Tacoma Intl
Sun 5/31
7:50 am-4:50 pm
Nonstop6h 00m
$357
MiamiSeattle
MIA - SEA
MIASEA
Miami
Wed 6/3
7:37 am-3:55 pm
1 stop11h 18m
Seattle/Tacoma Intl
Wed 6/3
11:52 pm-11:24 am
1 stop8h 32m
$374
MiamiSeattle
MIA - SEA
MIASEA
Miami
Sat 5/23
6:05 pm-9:55 pm
Nonstop6h 50m
Seattle/Tacoma Intl
Sun 5/31
7:50 am-4:50 pm
Nonstop6h 00m
$404
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 4/24
12:05 pm-11:30 pm
2 stops14h 25m
Seattle/Tacoma Intl
Sat 4/25
5:45 am-7:40 pm
2 stops10h 55m
$407
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/30
10:50 am-7:44 pm
1 stop11h 54m
Seattle/Tacoma Intl
Mon 5/4
7:25 am-9:11 pm
1 stop10h 46m
$447
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 March.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
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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?
Use this chart to determine the optimal time to book a round-trip flight from Miami to Seattle. Price data was last updated on March 13, 2026.
Booking 24 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, October is the cheapest month in which you can book a flight from Miami to Seattle (average of $132). 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?
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 March 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 22% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 162 minutes.
What is the most punctual flight time for Miami to Seattle flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night 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 Sunday 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 18% 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 March 27, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian 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
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - 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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Snoqualmie
Ellensburg
Tukwila
Fife
Lakewood
Leavenworth
Issaquah
Aberdeen
Shoreline
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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 March 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 March 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 March 27, 2026.
Top 6 airlines flying from Miami to Seattle
Discover the top 6 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 March 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$262 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$148 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$199 | Average$333 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$356 | FlexibilityNo cancel fee | On-time69% |