$156+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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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 3, 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 3, 2026.
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 pm
SEA
- JAX
1 stop8h 51m
United Airlines
Wed 9/24:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:05 am
SEA
- JAX
1 stop7h 47m
Delta
Tue 9/85:34 pm
JAX
- SEA
1 stop9h 25m
Delta
Deal found 7/3![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/225:10 am
SEA
- JAX
1 stop7h 21m
American Airlines
Sat 8/294:35 pm
JAX
- SEA
1 stop8h 24m
American Airlines
Deal found 6/30![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:59 pm
SEA
- JAX
1 stop7h 46m
United Airlines
Tue 8/257:05 am
JAX
- SEA
2 stops11h 34m
United Airlines
Deal found 6/28![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:22 pm
SEA
- JAX
1 stop8h 15m
American Airlines
Tue 8/47:41 pm
JAX
- SEA
1 stop8h 16m
American Airlines
Deal found 6/28![American Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:53 pm
SEA
- JAX
2 stops17h 41m
Multiple Airlines
Wed 8/199:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:05 pm
SEA
- JAX
2 stops11h 15m
Southwest
Sat 8/2912:25 pm
JAX
- SEA
2 stops8h 50m
Southwest
Deal found 6/29![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 7/2012:44 am
SEA
- JAX
1 stop9h 44m
American Airlines
Tue 7/287:41 pm
JAX
- SEA
1 stop8h 16m
American Airlines
Deal found 6/30![American Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 am
SEA
- JAX
1 stop9h 44m
United Airlines
Thu 10/224:58 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 8/227:06 pm
SEA
- JAX
2 stops20h 04m
Multiple Airlines
Sat 8/299:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$382
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 3, 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 3, 2026.
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:59 pm
SEA
- JAX
1 stop7h 46m
United Airlines
Tue 8/254:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 6/28![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/2. 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.
Wed 9/211:10 pm
SEA
- JAX
1 stop8h 57m
Delta
Tue 9/82:31 pm
JAX
- SEA
1 stop9h 13m
Delta
Deal found 7/2![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:05 pm
SEA
- JAX
2 stops11h 20m
Southwest
Tue 9/16:45 am
JAX
- SEA
2 stops9h 35m
Southwest
Deal found 6/29![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 am
SEA
- JAX
1 stop9h 44m
United Airlines
Thu 10/224:58 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/28. 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.
Wed 7/2911:05 pm
SEA
- JAX
1 stop9h 55m
Southwest
Wed 8/53:35 pm
JAX
- SEA
2 stops10h 30m
Southwest
Deal found 6/28![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:05 pm
SEA
- JAX
2 stops11h 15m
Southwest
Sun 8/306:00 am
JAX
- SEA
2 stops10h 15m
Southwest
Deal found 6/29![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:59 pm
SEA
- JAX
1 stop7h 53m
United Airlines
Wed 9/304:58 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:05 pm
SEA
- JAX
2 stops10h 50m
Southwest
Thu 9/174:30 pm
JAX
- SEA
1 stop8h 15m
Southwest
Deal found 6/29![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:00 am
SEA
- JAX
1 stop7h 37m
United Airlines
Tue 8/184:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 6/30![United Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:15 am
SEA
- JAX
2 stops12h 00m
Southwest
Mon 9/287:00 am
JAX
- SEA
2 stops10h 55m
Southwest
Deal found 6/29![Southwest logo]()
$450
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:15 am
SEA
- JAX
2 stops12h 00m
Southwest
Thu 8/202:00 pm
JAX
- SEA
2 stops10h 45m
Southwest
Deal found 6/29![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 7/1. 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.
Thu 9/310:30 pm
SEA
- JAX
1 stop11h 55m
Southwest
Mon 9/72:00 pm
JAX
- SEA
2 stops9h 45m
Southwest
Deal found 7/1![Southwest logo]()
$468
Last-minute flights from Seattle to JacksonvilleDiscover last-minute flight deals from Seattle to Jacksonville. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated July 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 7/2012:44 am
SEA
- JAX
1 stop9h 44m
American Airlines
Tue 7/287:41 pm
JAX
- SEA
1 stop8h 16m
American Airlines
Deal found 6/30![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:22 pm
SEA
- JAX
1 stop8h 15m
American Airlines
Tue 8/47:41 pm
JAX
- SEA
1 stop8h 16m
American Airlines
Deal found 6/28![American Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:53 pm
SEA
- JAX
2 stops17h 41m
Multiple Airlines
Wed 8/199:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:59 pm
SEA
- JAX
1 stop7h 46m
United Airlines
Tue 8/257:05 am
JAX
- SEA
2 stops11h 34m
United Airlines
Deal found 6/28![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Thu 8/137:06 pm
SEA
- JAX
2 stops19h 28m
Multiple Airlines
Wed 8/199:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 8/226:00 am
SEA
- JAX
1 stop7h 20m
Delta
Sat 8/292:41 pm
JAX
- SEA
1 stop7h 24m
Delta
Deal found 6/30![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/225:10 am
SEA
- JAX
1 stop7h 21m
American Airlines
Sat 8/294:35 pm
JAX
- SEA
1 stop8h 24m
American Airlines
Deal found 6/30![American Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 8/227:06 pm
SEA
- JAX
2 stops20h 04m
Multiple Airlines
Sat 8/299:33 am
JAX
- SEA
1 stop28h 06m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 pm
SEA
- JAX
1 stop8h 51m
United Airlines
Wed 9/24:45 pm
JAX
- SEA
1 stop8h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:05 pm
SEA
- JAX
2 stops11h 15m
Southwest
Sat 8/2912:25 pm
JAX
- SEA
2 stops8h 50m
Southwest
Deal found 6/29![Southwest logo]()
$377
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 3, 2026.
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/47:06 pm
SEA
- JAX
2 stops19h 28m
Frontier
Deal found 7/1![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:06 pm
SEA
- JAX
2 stops20h 04m
Frontier
Deal found 7/2![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:13 pm
SEA
- JAX
2 stops18h 21m
Frontier
Deal found 7/1![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Wed 8/267:06 pm
SEA
- JAX
2 stops20h 04m
Frontier
Deal found 6/30![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Mon 8/3110:34 am
SEA
- JAX
2 stops28h 36m
Frontier
Deal found 6/30![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 10/137:41 pm
SEA
- JAX
2 stops19h 10m
Frontier
Deal found 6/30![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Thu 9/177:00 am
SEA
- JAX
2 stops31h 51m
Frontier
Deal found 7/1![Frontier logo]()
$169
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:06 pm
SEA
- JAX
2 stops19h 28m
Frontier
Deal found 6/29![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Thu 7/237:06 pm
SEA
- JAX
2 stops19h 28m
Frontier
Deal found 6/30![Frontier logo]()
$183
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/85:10 am
SEA
- JAX
1 stop7h 21m
American Airlines
Deal found 6/30![American Airlines logo]()
$184
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (United Airlines) |
One-way from | $156 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $490 |
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 3, 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 8/11
11:59 pm-10:45 am
1 stop7h 46m
Jacksonville
Tue 8/25
4:45 pm-10:43 pm
1 stop8h 58m
$362
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Wed 9/2
11:10 pm-11:07 am
1 stop8h 57m
Jacksonville
Tue 9/8
2:31 pm-8:44 pm
1 stop9h 13m
$367
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Tue 10/13
8:10 am-8:54 pm
1 stop9h 44m
Jacksonville
Thu 10/22
4:58 pm-10:56 pm
1 stop8h 58m
$380
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Thu 8/27
11:05 pm-1:25 pm
2 stops11h 20m
Jacksonville
Tue 9/1
6:45 am-1:20 pm
2 stops9h 35m
$395
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Wed 7/29
11:05 pm-12:00 pm
1 stop9h 55m
Jacksonville
Wed 8/5
3:35 pm-11:05 pm
2 stops10h 30m
$408
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Wed 8/26
11:05 pm-1:20 pm
2 stops11h 15m
Jacksonville
Sun 8/30
6:00 am-1:15 pm
2 stops10h 15m
$432
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Mon 9/7
11:05 pm-12:55 pm
2 stops10h 50m
Jacksonville
Thu 9/17
4:30 pm-9:45 pm
1 stop8h 15m
$444
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Fri 9/25
5:15 am-8:15 pm
2 stops12h 00m
Jacksonville
Mon 9/28
7:00 am-2:55 pm
2 stops10h 55m
$450
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Fri 8/14
5:15 am-8:15 pm
2 stops12h 00m
Jacksonville
Thu 8/20
2:00 pm-9:45 pm
2 stops10h 45m
$467
SeattleJacksonville
SEA - JAX
SEAJAX
Seattle/Tacoma Intl
Thu 9/3
10:30 pm-1:25 pm
1 stop11h 55m
Jacksonville
Mon 9/7
2:00 pm-8:45 pm
2 stops9h 45m
$468
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 47 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, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of $415). 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?
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 3, 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.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
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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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 3, 2026.
Seattle and Jacksonville flights
Browse other Seattle and Jacksonville flight options. Last updated on July 3, 2026.
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Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 3, 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$291 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$314 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$488 | FlexibilityNo cancel fee | On-time63% |