$91+ Cheap flights from Seattle to Jacksonville (SEA - JAX)
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Jacksonville 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 Seattle to JacksonvilleExplore the most affordable flight options available from Seattle to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Seattle to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Sat 10/319:44 am
JAX
- SEA
1 stop28h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Sat 10/319:44 am
JAX
- SEA
1 stop28h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:41 pm
SEA
- JAX
2 stops19h 10m
Multiple Airlines
Sat 10/319:44 am
JAX
- SEA
1 stop28h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Wed 10/289:44 am
JAX
- SEA
1 stop27h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 10/77:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Wed 10/149:44 am
JAX
- SEA
1 stop27h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/122:22 pm
SEA
- JAX
2 stops24h 12m
Multiple Airlines
Wed 8/199:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:16 pm
SEA
- JAX
1 stop19h 46m
Multiple Airlines
Tue 9/296:46 pm
JAX
- SEA
2 stops32h 41m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 10/69:16 pm
SEA
- JAX
1 stop19h 46m
Multiple Airlines
Mon 10/126:46 pm
JAX
- SEA
2 stops42h 05m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:16 pm
SEA
- JAX
1 stop19h 46m
Multiple Airlines
Tue 9/226:46 pm
JAX
- SEA
2 stops32h 41m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:41 pm
SEA
- JAX
2 stops19h 10m
Multiple Airlines
Wed 10/289:44 am
JAX
- SEA
1 stop27h 16m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Wed 10/79:44 am
JAX
- SEA
1 stop27h 16m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
SEA
- JAX
2 stops31h 51m
Multiple Airlines
Fri 10/99:39 am
JAX
- SEA
1 stop11h 47m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$314
Best flights from Seattle to JacksonvilleDiscover carefully curated flight deals from Seattle to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Seattle to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/1511:59 pm
SEA
- JAX
1 stop7h 46m
United Airlines
Tue 9/224:45 pm
JAX
- SEA
1 stop9h 00m
United Airlines
Deal found 7/21![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/185:30 am
SEA
- JAX
1 stop8h 55m
Delta
Tue 8/255:34 pm
JAX
- SEA
1 stop9h 23m
Delta
Deal found 7/22![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 9/166:25 am
SEA
- JAX
2 stops10h 15m
Southwest
Mon 9/217:00 am
JAX
- SEA
2 stops10h 55m
Southwest
Deal found 7/22![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 7/21. 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 9/156:25 am
SEA
- JAX
2 stops10h 15m
Southwest
Tue 9/222:05 pm
JAX
- SEA
2 stops12h 00m
Southwest
Deal found 7/21![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/18. 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 9/305:00 am
SEA
- JAX
1 stop7h 42m
United Airlines
Wed 10/74:58 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/18![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 7/18. 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.
Mon 8/171:30 pm
SEA
- JAX
1 stop7h 25m
Delta
Tue 8/256:00 am
JAX
- SEA
1 stop9h 03m
Delta
Deal found 7/18![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 7/21. 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 9/511:05 pm
SEA
- JAX
2 stops13h 00m
Southwest
Wed 9/92:05 pm
JAX
- SEA
2 stops12h 00m
Southwest
Deal found 7/21![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 7/20. 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 10/26:00 am
SEA
- JAX
1 stop7h 45m
Delta
Tue 10/136:59 pm
JAX
- SEA
1 stop7h 53m
Delta
Deal found 7/20![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 7/20. 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 10/212:10 am
SEA
- JAX
2 stops11h 25m
Southwest
Sat 10/104:55 pm
JAX
- SEA
1 stop7h 40m
Southwest
Deal found 7/20![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 7/21. 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 9/411:25 am
SEA
- JAX
1 stop7h 20m
Southwest
Tue 9/85:25 pm
JAX
- SEA
1 stop9h 10m
Southwest
Deal found 7/21![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 7/19. 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 8/187:10 am
SEA
- JAX
2 stops9h 30m
Southwest
Tue 8/256:15 am
JAX
- SEA
2 stops10h 05m
Southwest
Deal found 7/19![Southwest logo]()
$450
This Southwest deal was found by Cheapflights users on 7/22. 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 8/2011:05 pm
SEA
- JAX
2 stops11h 20m
Southwest
Wed 8/262:05 pm
JAX
- SEA
2 stops12h 00m
Southwest
Deal found 7/22![Southwest logo]()
$455
Last-minute flights from Seattle to JacksonvilleDiscover last-minute flight deals from Seattle to Jacksonville. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated July 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/48:13 pm
SEA
- JAX
1 stop20h 32m
Multiple Airlines
Thu 8/207:05 pm
JAX
- SEA
2 stops41h 14m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/118:13 pm
SEA
- JAX
1 stop20h 32m
Multiple Airlines
Sun 8/166:29 pm
JAX
- SEA
2 stops41h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/122:22 pm
SEA
- JAX
2 stops24h 12m
Multiple Airlines
Wed 8/199:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 7/22. 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 8/137:16 am
SEA
- JAX
1 stop7h 38m
Delta
Mon 8/245:34 pm
JAX
- SEA
1 stop9h 23m
Delta
Deal found 7/22![Delta logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/188:53 pm
SEA
- JAX
1 stop19h 52m
Multiple Airlines
Tue 8/257:05 pm
JAX
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 8/196:40 am
SEA
- JAX
1 stop10h 45m
Southwest
Wed 8/262:05 pm
JAX
- SEA
1 stop9h 20m
Southwest
Deal found 7/22![Southwest logo]()
$372
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
SEA
- JAX
1 stop8h 26m
American Airlines
Tue 8/256:00 am
JAX
- SEA
1 stop8h 15m
American Airlines
Deal found 7/22![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 7/22. 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 8/2011:00 pm
SEA
- JAX
1 stop13h 55m
Southwest
Wed 8/266:15 am
JAX
- SEA
2 stops10h 05m
Southwest
Deal found 7/22![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
SEA
- JAX
1 stop7h 33m
United Airlines
Sat 8/294:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/23![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/2711:03 am
SEA
- JAX
2 stops9h 17m
United Airlines
Tue 9/14:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/22![United Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/289:29 pm
SEA
- JAX
1 stop19h 16m
Multiple Airlines
Mon 8/317:05 pm
JAX
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$354
One-way flights from Seattle to JacksonvilleSearch for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 8/197:06 pm
SEA
- JAX
2 stops20h 04m
Frontier
Deal found 7/18![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/252:37 pm
SEA
- JAX
2 stops24h 33m
Frontier
Deal found 7/19![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
SEA
- JAX
2 stops31h 51m
Frontier
Deal found 7/19![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:41 pm
SEA
- JAX
2 stops43h 10m
Frontier
Deal found 7/19![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/241:35 pm
SEA
- JAX
2 stops25h 35m
Frontier
Deal found 7/19![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/117:06 pm
SEA
- JAX
2 stops19h 28m
Frontier
Deal found 7/19![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/137:06 pm
SEA
- JAX
2 stops19h 28m
Frontier
Deal found 7/20![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/182:37 pm
SEA
- JAX
2 stops24h 33m
Frontier
Deal found 7/20![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/187:41 pm
SEA
- JAX
2 stops19h 10m
Frontier
Deal found 7/18![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 9/87:06 pm
SEA
- JAX
2 stops19h 45m
Frontier
Deal found 7/23![Frontier logo]()
$146
Find flight deals from Seattle to Jacksonville
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Jacksonville (JAX). 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Kiwi.com) |
One-way from | $91 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $516 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Jacksonville 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 July 23, 2026.
Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Tue 9/15
11:59 pm-10:45 am
1 stop7h 46m
Jacksonville
Tue 9/22
4:45 pm-10:45 pm
1 stop9h 00m
$362
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Tue 8/18
5:30 am-5:25 pm
1 stop8h 55m
Jacksonville
Tue 8/25
5:34 pm-11:57 pm
1 stop9h 23m
$377
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Wed 9/16
6:25 am-7:40 pm
2 stops10h 15m
Jacksonville
Mon 9/21
7:00 am-2:55 pm
2 stops10h 55m
$377
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Tue 9/15
6:25 am-7:40 pm
2 stops10h 15m
Jacksonville
Tue 9/22
2:05 pm-11:05 pm
2 stops12h 00m
$377
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Sat 9/5
11:05 pm-3:05 pm
2 stops13h 00m
Jacksonville
Wed 9/9
2:05 pm-11:05 pm
2 stops12h 00m
$395
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Wed 9/30
5:00 am-3:42 pm
1 stop7h 42m
Jacksonville
Wed 10/7
4:58 pm-10:56 pm
1 stop8h 58m
$398
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Mon 8/17
1:30 pm-11:55 pm
1 stop7h 25m
Jacksonville
Tue 8/25
6:00 am-12:03 pm
1 stop9h 03m
$403
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Fri 10/2
12:10 am-2:35 pm
2 stops11h 25m
Jacksonville
Sat 10/10
4:55 pm-9:35 pm
1 stop7h 40m
$408
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Fri 9/4
11:25 am-9:45 pm
1 stop7h 20m
Jacksonville
Tue 9/8
5:25 pm-11:35 pm
1 stop9h 10m
$422
Quickest round-trip
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Fri 10/2
6:00 am-4:45 pm
1 stop7h 45m
Jacksonville
Tue 10/13
6:59 pm-11:52 pm
1 stop7h 53m
$440
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Seattle to Jacksonville
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 Seattle to Jacksonville in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Jacksonville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Jacksonville 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 Seattle-Jacksonville 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 Seattle to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Seattle with our price prediction graph.
SEA-JAX
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 Seattle to Jacksonville
How far ahead should I book a flight from Seattle to Jacksonville?
To ensure you get the cheapest price possible for a flight from Seattle to Jacksonville, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Jacksonville?
Currently, September is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of $424). Flying from Seattle to Jacksonville in March is currently the most expensive (average of $537). 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.
How much does it cost to fly round-trip from Seattle to Jacksonville?
Airfare is below average for this route at the moment.
Seattle to Jacksonville flights typically cost between $431 and $589 in September.The cheapest round-trip price found within the last 5 days was $261 on Multiple Airlines (Sep 29-Oct 31).
Reviews of airlines servicing Jacksonville
Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated July 23, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Seattle to Jacksonville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Jacksonville. 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 Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsJacksonville Beach
Fernandina Beach
Orange Park
Kingsland
Waycross
Atlantic Beach
Yulee
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Complete your trip
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Search flights from Seattle to Jacksonville by cabin class
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Other flights to Jacksonville
Explore flights to Jacksonville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Seattle and Jacksonville flights
Browse other Seattle and Jacksonville flight options. Last updated on July 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Seattle to Jacksonville
Discover the top 4 airlines that operate flights from Seattle to Jacksonville. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$505 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$364 | Average$488 | FlexibilityNo cancel fee | On-time63% |