$98+ Cheap flights from Seattle to Jacksonville (SEA - JAX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Oct 8 — Oct 151
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 September 8, 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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/312:14 pm -
1 stop28h 48m
Tue 11/107:03 pm -
2 stops23h 09m
Deal found 9/5![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/298:09 pm -
1 stop21h 37m
Tue 11/37:03 pm -
2 stops23h 09m
Deal found 9/7![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/58:09 pm -
1 stop21h 37m
Tue 11/107:03 pm -
2 stops23h 09m
Deal found 9/5![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Mon 10/197:46 pm -
2 stops22h 26m
Deal found 9/5![Multiple Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:14 pm -
1 stop8h 46m
Sat 10/174:58 pm -
1 stop8h 58m
Deal found 9/3![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/88:00 pm -
1 stop21h 46m
Mon 10/127:46 pm -
2 stops22h 26m
Deal found 9/7![Multiple Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:40 am -
1 stop8h 45m
Thu 10/85:08 am -
1 stop7h 50m
Deal found 9/3![American Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/194:27 pm -
2 stops23h 19m
Fri 10/239:38 am -
1 stop12h 07m
Deal found 9/5![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Wed 10/217:46 pm -
2 stops22h 26m
Deal found 9/5![Multiple Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop8h 02m
Sat 10/318:00 am -
2 stops11h 27m
Deal found 9/3![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Thu 10/226:20 pm -
2 stops47h 52m
Deal found 9/5![Multiple Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:10 am -
2 stops11h 15m
Sat 10/317:35 am -
2 stops13h 55m
Deal found 9/3![Southwest logo]()
$387
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 September 8, 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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/88:00 pm -
1 stop21h 46m
Mon 10/127:46 pm -
2 stops22h 26m
Deal found 9/7![Multiple Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/810:48 pm -
1 stop9h 04m
Mon 10/125:08 am -
1 stop7h 50m
Deal found 9/7![American Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1711:14 pm -
1 stop8h 46m
Wed 10/214:58 pm -
1 stop8h 58m
Deal found 9/6![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/6. 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 10/1612:10 am -
2 stops11h 25m
Wed 10/212:00 pm -
2 stops10h 45m
Deal found 9/6![Southwest logo]()
$459
This Delta deal was found by Cheapflights users on 9/4. 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 12/311:15 pm -
1 stop8h 50m
Sun 12/63:06 pm -
1 stop8h 43m
Deal found 9/4![Delta logo]()
$488
This Southwest deal was found by Cheapflights users on 9/4. 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 11/125:30 am -
2 stops9h 55m
Sun 11/157:05 pm -
1 stop8h 25m
Deal found 9/4![Southwest logo]()
$473
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/107:20 am -
1 stop7h 34m
Fri 9/115:40 pm -
1 stop9h 15m
Deal found 9/3![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1711:13 pm -
1 stop8h 38m
Fri 10/234:58 pm -
1 stop8h 58m
Deal found 9/6![United Airlines logo]()
$554
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:25 am -
2 stops10h 20m
Sat 9/261:30 pm -
2 stops11h 00m
Deal found 9/3![Southwest logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/1611:14 pm -
1 stop8h 46m
Tue 10/279:45 am -
2 stops14h 11m
Deal found 9/5![United Airlines logo]()
$564
Last-minute flights from Seattle to JacksonvilleDiscover last-minute flight deals from Seattle to Jacksonville. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:40 am -
1 stop8h 45m
Thu 10/85:08 am -
1 stop7h 50m
Deal found 9/3![American Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/88:00 pm -
1 stop21h 46m
Mon 10/127:46 pm -
2 stops22h 26m
Deal found 9/7![Multiple Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:14 pm -
1 stop8h 46m
Sat 10/174:58 pm -
1 stop8h 58m
Deal found 9/3![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Mon 10/197:46 pm -
2 stops22h 26m
Deal found 9/5![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Wed 10/217:46 pm -
2 stops22h 26m
Deal found 9/5![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Thu 10/226:20 pm -
2 stops47h 52m
Deal found 9/5![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/169:16 pm -
1 stop19h 46m
Tue 10/207:46 pm -
2 stops22h 26m
Deal found 9/5![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/194:27 pm -
2 stops23h 19m
Fri 10/239:38 am -
1 stop12h 07m
Deal found 9/5![Multiple Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop8h 22m
Mon 10/266:12 pm -
1 stop7h 58m
Deal found 9/3![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:10 am -
2 stops9h 45m
Thu 10/294:40 pm -
2 stops11h 20m
Deal found 9/3![Southwest logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/298:09 pm -
1 stop21h 37m
Tue 11/37:03 pm -
2 stops23h 09m
Deal found 9/7![Multiple Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop8h 02m
Sat 10/318:00 am -
2 stops11h 27m
Deal found 9/3![United Airlines logo]()
$382
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 September 8, 2026.
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/164:27 pm -
2 stops22h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/64:27 pm -
2 stops45h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/1112:14 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/59:45 pm -
2 stops18h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/49:45 pm -
2 stops42h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/34:27 pm -
2 stops47h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/79:45 pm -
2 stops41h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:25 pm -
2 stops20h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:45 pm -
2 stops18h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/94:27 pm -
2 stops39h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$186
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Kiwi.com) |
One-way from | $98 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $477 |
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 7,457,451 searches. Data last updated September 8, 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 Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 10/3
11:59 pm-10:52 am
1 stop7h 53m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Quickest round-trip
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Tue 10/6
6:00 am-4:43 pm
1 stop7h 43m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Wed 9/30
8:25 am-8:54 pm
1 stop9h 29m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 10/10
11:12 pm-11:13 am
1 stop9h 01m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 11/7
6:45 am-8:00 pm
2 stops10h 15m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 11/21
8:15 pm-1:30 pm
2 stops14h 15m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$237
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sun 9/27
10:58 pm-11:14 am
1 stop9h 16m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$329
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Mon 10/5
9:08 pm-9:05 pm
2 stops20h 57m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$340
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Thu 12/24
8:06 pm-6:46 pm
2 stops19h 40m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$340
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Thu 10/8
8:00 pm-8:46 pm
1 stop21h 46m
Jacksonville
Mon 10/12
7:46 pm-3:12 pm
2 stops22h 26m
$375
Showing 1-10 of 19 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 September.
| 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
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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 84 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 $453). 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 $368 and $600 in November.The cheapest round-trip price found within the last 5 days was $256 on Multiple Airlines (Nov 3-Nov 10).
What’s the top layover airport for flights from Seattle to Jacksonville?
Share of 1-stop round-trip flights from Seattle to Jacksonville chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Jacksonville on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Jacksonville?
Average round-trip fare for 1-stop flights from Seattle to Jacksonville, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $342.
What’s the fastest layover option from Seattle to Jacksonville?
Shortest average travel time for 1-stop one-way flights from Seattle to Jacksonville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 06m.
Which airport typically offers the quickest layover for flights from Seattle to Jacksonville?
Average layover duration for 1-stop one-way flights from Seattle to Jacksonville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 48m.
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 September 8, 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.
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
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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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 September 8, 2026.
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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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$346 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$366 | Average$496 | FlexibilityNo cancel fee | On-time63% |