$105+ Cheap flights from Florida Keys to Seattle (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.
EYW — SEA
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Florida Keys 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
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Cheapest flights from Florida Keys to SeattleExplore the most affordable flight options available from Florida Keys to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Florida Keys to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This Frontier deal was found by Cheapflights users on 4/1. 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 4/237:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 4/274:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 4/1![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 3/28. 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 4/277:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Mon 5/49:19 pm
SEA
- MIA
1 stop30h 41m
Frontier
Deal found 3/28![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 3/29. 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.
Thu 5/79:41 pm
MIA
- SEA
1 stop15h 41m
Frontier
Tue 5/197:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/29![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/1. 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 4/237:00 am
MIA
- SEA
1 stop29h 52m
Frontier
Sun 4/269:54 pm
SEA
- MIA
1 stop30h 28m
Frontier
Deal found 4/1![Frontier logo]()
$216
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Thu 4/237:00 am
MIA
- SEA
1 stop11h 05m
Frontier
Fri 5/87:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/30![Frontier logo]()
$217
This Super.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/307:00 am
MIA
- SEA
1 stop29h 52m
Frontier
Thu 5/77:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/31![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 3/31. 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 5/17:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Fri 5/87:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/31![Frontier logo]()
$221
This Super.com deal was found by Cheapflights users on 3/30. 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 4/157:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Sun 4/199:54 pm
SEA
- MIA
1 stop30h 28m
Frontier
Deal found 3/30![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 3/31. 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
Multiple Airlines
Wed 4/2210:57 am
SEA
- MIA
2 stops22h 01m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/37:00 am
MIA
- SEA
1 stop29h 27m
Frontier
Tue 5/127:50 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 3/31![Frontier logo]()
$224
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 4/246:23 pm
EYW
- SEA
1 stop8h 30m
Delta
Sun 5/39:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 3/30![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:20 pm
EYW
- SEA
2 stops11h 24m
American Airlines
Sun 5/36:00 am
SEA
- EYW
1 stop8h 02m
American Airlines
Deal found 3/30![American Airlines logo]()
$394
Best flights from Florida Keys to SeattleDiscover carefully curated flight deals from Florida Keys to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Florida Keys to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/285:24 pm
MIA
- SEA
1 stop9h 35m
United Airlines
Mon 6/110:40 pm
SEA
- MIA
1 stop9h 44m
United Airlines
Deal found 4/1![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 4/1. 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 5/16:05 pm
MIA
- SEA
1 stop9h 00m
Southwest
Mon 5/411:55 pm
SEA
- MIA
2 stops11h 20m
Southwest
Deal found 4/1![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 5/15:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Mon 5/411:15 pm
SEA
- MIA
1 stop9h 56m
Delta
Deal found 4/1![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:20 pm
EYW
- SEA
2 stops11h 24m
American Airlines
Sat 5/212:59 am
SEA
- EYW
2 stops12h 31m
American Airlines
Deal found 3/30![American Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 7/146:20 pm
MIA
- SEA
Nonstop6h 40m
Alaska Airlines
Thu 8/138:12 am
SEA
- MIA
Nonstop6h 05m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 3/28. 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 4/235:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Mon 4/277:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 3/28![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 4/2. 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 5/86:05 pm
MIA
- SEA
1 stop9h 00m
Southwest
Mon 5/1111:55 pm
SEA
- MIA
2 stops11h 20m
Southwest
Deal found 4/2![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/244:38 pm
EYW
- SEA
1 stop9h 34m
United Airlines
Sun 5/311:00 pm
SEA
- EYW
1 stop11h 45m
United Airlines
Deal found 4/1![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 4/246:23 pm
EYW
- SEA
1 stop8h 30m
Delta
Sun 5/39:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 3/30![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:58 pm
EYW
- SEA
2 stops11h 46m
American Airlines
Sun 4/1910:29 pm
SEA
- EYW
2 stops9h 25m
American Airlines
Deal found 3/29![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 3/28. 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 9/226:45 am
MIA
- SEA
1 stop8h 30m
Southwest
Sun 9/2711:00 pm
SEA
- MIA
1 stop9h 50m
Southwest
Deal found 3/28![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 4/285:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Thu 4/307:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 4/2![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 3/28. 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 5/169:55 am
MIA
- SEA
2 stops11h 20m
Southwest
Mon 5/2511:55 pm
SEA
- MIA
2 stops11h 25m
Southwest
Deal found 3/28![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/14:47 pm
EYW
- SEA
1 stop9h 05m
United Airlines
Tue 5/511:00 pm
SEA
- EYW
1 stop11h 45m
United Airlines
Deal found 3/31![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 4/2. 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.
Fri 6/266:21 pm
MIA
- SEA
Nonstop6h 39m
Delta
Tue 6/308:05 am
SEA
- MIA
Nonstop6h 06m
Delta
Deal found 4/2![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:21 pm
EYW
- SEA
1 stop11h 05m
American Airlines
Mon 7/205:10 am
SEA
- EYW
1 stop10h 37m
American Airlines
Deal found 3/30![American Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 3/31. 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 6/36:07 pm
MIA
- SEA
Nonstop6h 48m
Delta
Sun 6/148:05 am
SEA
- MIA
Nonstop6h 06m
Delta
Deal found 3/31![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 4/1. 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 7/47:10 am
MIA
- SEA
1 stop17h 39m
Delta
Wed 7/158:00 am
SEA
- MIA
Nonstop6h 06m
Delta
Deal found 4/1![Delta logo]()
$442
This Delta deal was found by Cheapflights users on 4/2. 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 4/162:40 pm
EYW
- SEA
1 stop10h 25m
Delta
Sun 4/199:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 4/2![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 4/2. 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.
Fri 4/177:33 am
EYW
- SEA
1 stop10h 52m
Delta
Tue 4/219:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 4/2![Delta logo]()
$449
Last-minute flights from Florida Keys to SeattleDiscover last-minute flight deals from Florida Keys to Seattle. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Florida Keys to Seattle. Data last updated April 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:06 pm
MIA
- SEA
Nonstop6h 38m
American Airlines
Tue 4/1410:16 pm
SEA
- MIA
Nonstop5h 44m
American Airlines
Deal found 3/31![American Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/85:05 am
MIA
- SEA
2 stops14h 39m
Frontier
Tue 4/147:12 pm
SEA
- MIA
1 stop30h 53m
Frontier
Deal found 3/28![Frontier logo]()
$425
This CheapOair deal was found by Cheapflights users on 4/2. 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 4/95:50 am
MIA
- SEA
1 stop8h 47m
Frontier
Mon 4/139:34 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 4/2![Frontier logo]()
$397
This Expedia deal was found by Cheapflights users on 4/1. 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.
Fri 4/105:50 am
MIA
- SEA
1 stop8h 47m
Frontier
Mon 4/139:34 pm
SEA
- MIA
1 stop30h 48m
Frontier
Deal found 4/1![Frontier logo]()
$331
This Expedia deal was found by Cheapflights users on 3/30. 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.
Fri 4/105:50 am
MIA
- SEA
1 stop8h 47m
Frontier
Fri 4/1710:59 pm
SEA
- MIA
1 stop29h 33m
Frontier
Deal found 3/30![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/105:50 am
MIA
- SEA
1 stop8h 47m
Multiple Airlines
Wed 4/158:07 pm
SEA
- MIA
2 stops15h 48m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/105:50 am
MIA
- SEA
1 stop8h 47m
Multiple Airlines
Fri 4/177:12 pm
SEA
- MIA
2 stops14h 44m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/105:50 am
MIA
- SEA
1 stop8h 47m
Frontier
Tue 4/147:12 pm
SEA
- MIA
2 stops36h 00m
Frontier
Deal found 4/1![Frontier logo]()
$440
This Delta deal was found by Cheapflights users on 3/29. 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 4/166:23 pm
EYW
- SEA
1 stop8h 30m
Delta
Sun 4/199:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 3/29![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:29 pm
EYW
- SEA
2 stops11h 29m
American Airlines
Sun 4/196:00 am
SEA
- EYW
1 stop9h 49m
American Airlines
Deal found 3/29![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 4/246:23 pm
EYW
- SEA
1 stop8h 30m
Delta
Sun 5/39:45 pm
SEA
- EYW
1 stop10h 01m
Delta
Deal found 3/30![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:20 pm
EYW
- SEA
2 stops11h 24m
American Airlines
Sun 5/36:00 am
SEA
- EYW
1 stop8h 02m
American Airlines
Deal found 3/30![American Airlines logo]()
$394
One-way flights from Florida Keys to SeattleSearch for one-way flight options from Florida Keys to Seattle. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Florida Keys to Seattle. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Frontier deal was found by Cheapflights users on 3/29. 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 3/29![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 3/31. 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 4/168:42 am
MIA
- SEA
1 stop13h 38m
Frontier
Deal found 3/31![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 3/31. 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 5/207:00 pm
MIA
- SEA
1 stop18h 36m
Frontier
Deal found 3/31![Frontier logo]()
$109
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Wed 5/138:10 pm
MIA
- SEA
1 stop17h 12m
Frontier
Deal found 3/30![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 3/31. 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 5/25:05 am
MIA
- SEA
2 stops15h 37m
Frontier
Deal found 3/31![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 3/31. 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 5/98:10 pm
MIA
- SEA
1 stop17h 12m
Frontier
Deal found 3/31![Frontier logo]()
$117
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:06 pm
MIA
- SEA
Nonstop6h 38m
American Airlines
Deal found 4/1![American Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/66:00 am
MIA
- SEA
2 stops31h 22m
Frontier
Deal found 3/28![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 4/1. 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.
Sat 6/206:00 am
MIA
- SEA
1 stop11h 04m
Frontier
Deal found 4/1![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/283:54 pm
MIA
- SEA
2 stops20h 33m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/249:49 am
EYW
- SEA
3 stops50h 38m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/239:46 am
EYW
- SEA
2 stops27h 06m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$181
Find flight deals from Florida Keys to Seattle
Keep the following information in mind while searching for Florida Keys to Seattle flight deals. Data was last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (Frontier) |
One-way from | $105 (Frontier) |
Popular in | March |
Cheapest in | February |
Average price | $572 |
Cheapflights Fare Finder
Customize your flight search to find flights from Florida Keys 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 April 2, 2026.
Use the filters below to find and compare flights from Florida Keys to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 5/28
5:24 pm-11:59 pm
1 stop9h 35m
Seattle/Tacoma Intl
Mon 6/1
10:40 pm-11:24 am
1 stop9h 44m
$251
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 5/1
6:05 pm-12:05 am
1 stop9h 00m
Seattle/Tacoma Intl
Mon 5/4
11:55 pm-2:15 pm
2 stops11h 20m
$256
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 5/1
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Mon 5/4
11:15 pm-12:11 pm
1 stop9h 56m
$297
Quickest round-trip
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/23
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Mon 4/27
7:15 am-4:11 pm
Nonstop5h 56m
$317
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 5/8
6:05 pm-12:05 am
1 stop9h 00m
Seattle/Tacoma Intl
Mon 5/11
11:55 pm-2:15 pm
2 stops11h 20m
$342
Key WestSeattle
EYW - SEA
EYWSEA
Key West
Fri 4/24
4:38 pm-11:12 pm
1 stop9h 34m
Seattle/Tacoma Intl
Sun 5/3
11:00 pm-1:45 pm
1 stop11h 45m
$389
Key WestSeattle
EYW - SEA
EYWSEA
Key West
Fri 4/24
6:23 pm-11:53 pm
1 stop8h 30m
Seattle/Tacoma Intl
Sun 5/3
9:45 pm-10:46 am
1 stop10h 01m
$389
Key WestSeattle
EYW - SEA
EYWSEA
Key West
Fri 4/24
4:20 pm-12:44 am
2 stops11h 24m
Seattle/Tacoma Intl
Sat 5/2
12:59 am-4:30 pm
2 stops12h 31m
$399
MiamiSeattle
MIA - SEA
MIASEA
Miami
Tue 9/22
6:45 am-12:15 pm
1 stop8h 30m
Seattle/Tacoma Intl
Sun 9/27
11:00 pm-11:50 am
1 stop9h 50m
$404
MiamiSeattle
MIA - SEA
MIASEA
Miami
Tue 4/28
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Thu 4/30
7:15 am-4:11 pm
Nonstop5h 56m
$407
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Florida Keys to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Florida Keys with our price prediction graph.
MIA-SEA
EYW-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 Florida Keys to Seattle
zzEOA-SEA
MIA-SEA
EYW-SEA
No data available for this route at this time. Please check back soon.
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 April 2, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Florida Keys to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Florida Keys 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
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
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Alternative routes for Florida Keys to Seattle
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Complete your trip
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Florida Keys and Seattle flights
Browse other Florida Keys and Seattle flight options. Last updated on April 2, 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 April 2, 2026.
Top airline flying from Florida Keys to Seattle
Discover the top airline that operate flights from Florida Keys 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$471 | FlexibilityNo cancel fee | On-time71% |