$138+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SEA
Mar 18 — Mar 251
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 February 16, 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 February 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/165:50 am
MIA
- SEA
1 stop12h 15m
Frontier
Sun 4/199:35 pm
SEA
- MIA
1 stop30h 57m
Frontier
Deal found 2/13![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/2912:26 pm
MIA
- SEA
2 stops24h 01m
Frontier
Fri 5/84:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/14![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 2/13. 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 3/115:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Tue 3/178:00 am
SEA
- MIA
Nonstop5h 46m
Delta
Deal found 2/13![Delta logo]()
$197
This eDestinos deal was found by Cheapflights users on 2/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:30 am
MIA
- SEA
1 stop29h 57m
Frontier
Mon 5/184:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/14![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 2/15. 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 4/308:42 am
MIA
- SEA
1 stop14h 38m
Frontier
Sun 5/34:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/15![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 2/12. 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 4/165:50 am
MIA
- SEA
1 stop12h 15m
Frontier
Mon 4/274:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/12![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 5/96:30 am
MIA
- SEA
1 stop29h 57m
Frontier
Tue 5/1910:42 am
SEA
- MIA
2 stops15h 23m
Frontier
Deal found 2/14![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 2/13. 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 4/165:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Sun 4/194:36 pm
SEA
- MIA
1 stop9h 51m
Delta
Deal found 2/13![Delta logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/2112:26 pm
MIA
- SEA
2 stops24h 01m
Frontier
Mon 4/274:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/12![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 4/2812:26 pm
MIA
- SEA
2 stops24h 01m
Frontier
Mon 5/44:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/15![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 5/78:42 am
MIA
- SEA
1 stop14h 38m
Frontier
Sat 5/166:57 pm
SEA
- MIA
2 stops22h 14m
Frontier
Deal found 2/13![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 2/15. 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.
Tue 4/147:50 am
MIA
- SEA
1 stop28h 37m
Frontier
Mon 5/184:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/15![Frontier logo]()
$211
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 February 16, 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 February 16, 2026.
This Delta deal was found by Cheapflights users on 2/13. 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 3/245:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Tue 4/78:00 am
SEA
- MIA
Nonstop5h 46m
Delta
Deal found 2/13![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/15. 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 4/243:47 pm
EYW
- SEA
1 stop11h 32m
United Airlines
Sun 5/311:00 pm
SEA
- EYW
1 stop11h 45m
United Airlines
Deal found 2/15![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 2/13. 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 5/310:47 pm
SEA
- EYW
1 stop12h 02m
American Airlines
Deal found 2/13![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 2/12. 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 4/165:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Mon 4/277:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 2/12![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/13. 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 4/165:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Sun 4/197:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 2/13![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/12. 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 4/35:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Wed 4/88:00 am
SEA
- MIA
Nonstop5h 46m
Delta
Deal found 2/12![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/12. 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 4/35:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Mon 4/137:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 2/12![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/15. 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
Sun 5/37:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 2/15![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/13. 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 4/95:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Wed 4/156:00 am
SEA
- MIA
1 stop9h 06m
Delta
Deal found 2/13![Delta logo]()
$207
This American Airlines deal was found by Cheapflights users on 2/15. 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 3/173:56 pm
EYW
- SEA
1 stop10h 44m
American Airlines
Tue 3/247:21 am
SEA
- EYW
2 stops11h 57m
American Airlines
Deal found 2/15![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/12. 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 5/98:00 am
MIA
- SEA
1 stop11h 48m
Delta
Mon 5/188:00 am
SEA
- MIA
Nonstop6h 04m
Delta
Deal found 2/12![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/14. 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 4/165:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Thu 4/234:36 pm
SEA
- MIA
1 stop9h 51m
Delta
Deal found 2/14![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/33:56 pm
EYW
- SEA
1 stop9h 47m
United Airlines
Sat 3/711:47 pm
SEA
- EYW
1 stop11h 08m
United Airlines
Deal found 2/15![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 2/12. 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 3/246:55 am
MIA
- SEA
1 stop10h 59m
Delta
Tue 3/318:00 am
SEA
- MIA
Nonstop5h 46m
Delta
Deal found 2/12![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/14. 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 4/245:25 pm
MIA
- SEA
Nonstop6h 40m
Delta
Sat 5/26:00 am
SEA
- MIA
1 stop9h 06m
Delta
Deal found 2/14![Delta logo]()
$207
Last-minute flights from Florida Keys to SeattleDiscover last-minute flight deals from Florida Keys to Seattle. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from Florida Keys to Seattle. Data last updated February 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Mon 3/22:15 pm
EYW
- SEA
1 stop12h 36m
United Airlines
Mon 3/911:59 pm
SEA
- EYW
1 stop10h 24m
United Airlines
Deal found 2/13![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/33:56 pm
EYW
- SEA
1 stop9h 47m
United Airlines
Sat 3/711:47 pm
SEA
- EYW
1 stop11h 08m
United Airlines
Deal found 2/15![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/512:11 pm
MIA
- SEA
1 stop9h 52m
United Airlines
Wed 3/1111:59 pm
SEA
- MIA
1 stop7h 56m
United Airlines
Deal found 2/12![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 3/64:44 pm
MIA
- SEA
1 stop17h 20m
Alaska Airlines
Sun 3/159:40 pm
SEA
- MIA
1 stop15h 04m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$237
This Frontier deal was found by Cheapflights users on 2/14. 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 3/65:50 am
MIA
- SEA
1 stop8h 29m
Frontier
Mon 3/912:24 pm
SEA
- MIA
1 stop14h 14m
Frontier
Deal found 2/14![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 2/12. 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 3/711:45 am
MIA
- SEA
1 stop10h 30m
Southwest
Mon 3/165:30 am
SEA
- MIA
1 stop10h 30m
Southwest
Deal found 2/12![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 2/13. 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 3/115:56 pm
MIA
- SEA
Nonstop6h 52m
Delta
Tue 3/178:00 am
SEA
- MIA
Nonstop5h 46m
Delta
Deal found 2/13![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/13. 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.
Wed 3/116:30 am
MIA
- SEA
1 stop9h 15m
Southwest
Tue 3/175:30 am
SEA
- MIA
2 stops13h 15m
Southwest
Deal found 2/13![Southwest logo]()
$228
This Expedia deal was found by Cheapflights users on 2/15. 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 3/165:50 am
MIA
- SEA
1 stop8h 29m
Frontier
Mon 3/2312:24 pm
SEA
- MIA
1 stop14h 14m
Frontier
Deal found 2/15![Frontier logo]()
$264
This American Airlines deal was found by Cheapflights users on 2/15. 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 3/173:56 pm
EYW
- SEA
1 stop10h 44m
American Airlines
Tue 3/245:30 am
SEA
- EYW
1 stop7h 48m
American Airlines
Deal found 2/15![American Airlines logo]()
$359
This Frontier deal was found by Cheapflights users on 2/12. 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 3/195:50 am
MIA
- SEA
1 stop8h 29m
Frontier
Sun 4/194:20 pm
SEA
- MIA
1 stop9h 45m
Frontier
Deal found 2/12![Frontier logo]()
$245
This Delta deal was found by Cheapflights users on 2/12. 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 3/196:55 am
MIA
- SEA
1 stop8h 32m
Delta
Sun 4/197:15 am
SEA
- MIA
Nonstop5h 56m
Delta
Deal found 2/12![Delta logo]()
$247
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 February 16, 2026.
Search for one-way flight options from Florida Keys to Seattle. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/109:18 pm
MIA
- SEA
3 stops22h 51m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$138
This American Airlines deal was found by Cheapflights users on 2/15. 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 3/257:45 pm
MIA
- SEA
Nonstop6h 55m
American Airlines
Deal found 2/15![American Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/249:45 pm
MIA
- SEA
2 stops49h 35m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/49:17 pm
MIA
- SEA
2 stops41h 20m
Frontier
Deal found 2/14![Frontier logo]()
$143
This Travelocity deal was found by Cheapflights users on 2/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:50 am
MIA
- SEA
1 stop8h 29m
Frontier
Deal found 2/12![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/155:50 am
MIA
- SEA
1 stop32h 29m
Frontier
Deal found 2/15![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/39:18 pm
MIA
- SEA
2 stops41h 43m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/115:05 am
MIA
- SEA
2 stops15h 04m
Frontier
Deal found 2/13![Frontier logo]()
$148
This Southwest deal was found by Cheapflights users on 2/13. 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.
Wed 3/256:30 am
MIA
- SEA
1 stop9h 15m
Southwest
Deal found 2/13![Southwest logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/305:15 am
MIA
- SEA
2 stops38h 54m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$150
This Frontier deal was found by Cheapflights users on 2/13. 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 5/35:50 am
MIA
- SEA
1 stop12h 15m
Frontier
Deal found 2/13![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/2712:06 pm
EYW
- SEA
3 stops48h 21m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$155
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 February 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Kiwi.com) |
One-way from | $138 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $329 |
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 February 16, 2026.
Use the filters below to find and compare flights from Florida Keys to Seattle that are best for you.
Fly from
Florida Keys
Fly to
Seattle
Route
Depart
Return
Price
MiamiSeattle
MIA - SEA
MIASEA
Miami
Tue 3/24
5:56 pm-9:48 pm
Nonstop6h 52m
Seattle/Tacoma Intl
Tue 4/7
8:00 am-4:46 pm
Nonstop5h 46m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/16
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Mon 4/27
7:15 am-4:11 pm
Nonstop5h 56m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/16
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Sun 4/19
7:15 am-4:11 pm
Nonstop5h 56m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 4/3
5:56 pm-9:48 pm
Nonstop6h 52m
Seattle/Tacoma Intl
Wed 4/8
8:00 am-4:46 pm
Nonstop5h 46m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Fri 4/3
5:56 pm-9:48 pm
Nonstop6h 52m
Seattle/Tacoma Intl
Mon 4/13
7:15 am-4:11 pm
Nonstop5h 56m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/30
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Sun 5/3
7:15 am-4:11 pm
Nonstop5h 56m
$197
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/9
5:56 pm-9:48 pm
Nonstop6h 52m
Seattle/Tacoma Intl
Wed 4/15
6:00 am-6:06 pm
1 stop9h 06m
$207
MiamiSeattle
MIA - SEA
MIASEA
Miami
Sat 5/9
8:00 am-4:48 pm
1 stop11h 48m
Seattle/Tacoma Intl
Mon 5/18
8:00 am-5:04 pm
Nonstop6h 04m
$207
MiamiSeattle
MIA - SEA
MIASEA
Miami
Thu 4/16
5:25 pm-9:05 pm
Nonstop6h 40m
Seattle/Tacoma Intl
Thu 4/23
4:36 pm-5:27 am
1 stop9h 51m
$207
MiamiSeattle
MIA - SEA
MIASEA
Miami
Tue 3/24
6:55 am-2:54 pm
1 stop10h 59m
Seattle/Tacoma Intl
Tue 3/31
8:00 am-4:46 pm
Nonstop5h 46m
$207
Showing 1-10 of 30 results
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 February 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Food
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - 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 locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Lacey
Kent
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Alternative routes for Florida Keys to Seattle
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Florida Keys and Seattle flights
Browse other Florida Keys and Seattle flight options. Last updated on February 16, 2026.
Popular flight searches
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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 February 16, 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 February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$489 | FlexibilityNo cancel fee | On-time71% |