$162+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Oct 29 — Nov 51
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Jacksonville
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Best
Last-minute
One-way
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 29, 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 29, 2026.
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops26h 54m
Sun 11/17:03 pm -
2 stops23h 09m
Deal found 9/27![Frontier logo]()
$338
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:09 pm -
2 stops18h 59m
Mon 11/97:03 pm -
2 stops18h 56m
Deal found 9/28![Frontier logo]()
$340
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
2 stops23h 19m
Tue 10/277:03 pm -
2 stops18h 56m
Deal found 9/28![Frontier logo]()
$346
This Mytrip deal was found by Cheapflights users on 9/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
2 stops23h 19m
Fri 10/307:03 pm -
2 stops23h 09m
Deal found 9/25![Frontier logo]()
$355
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops26h 54m
Tue 11/37:03 pm -
2 stops23h 09m
Deal found 9/28![Frontier logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 12/37:00 am -
1 stop7h 58m
Thu 12/104:45 pm -
1 stop8h 58m
Deal found 9/28![United Airlines logo]()
$372
This Mytrip deal was found by Cheapflights users on 9/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:27 pm -
2 stops22h 41m
Sun 11/225:59 pm -
2 stops24h 23m
Deal found 9/24![Frontier logo]()
$373
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/96:00 am -
1 stop7h 56m
Mon 12/145:55 pm -
1 stop9h 52m
Deal found 9/28![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/2210:31 am -
1 stop9h 18m
Thu 10/296:40 am -
1 stop10h 37m
Deal found 9/25![American Airlines logo]()
$378
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 pm -
3 stops20h 38m
Tue 11/37:03 pm -
3 stops26h 51m
Deal found 9/28![Multiple Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/2210:31 am -
1 stop9h 18m
Mon 10/265:08 am -
1 stop7h 50m
Deal found 9/26![American 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 September 29, 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 29, 2026.
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:35 pm -
1 stop7h 04m
Tue 11/35:49 pm -
1 stop8h 28m
Deal found 9/28![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/27. 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 1/1610:54 am -
1 stop7h 33m
Sat 1/2310:17 am -
1 stop10h 48m
Deal found 9/27![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/27. 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 1/1512:15 am -
2 stops12h 10m
Sat 1/237:15 am -
1 stop11h 20m
Deal found 9/27![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/275:05 am -
1 stop6h 56m
Tue 11/311:35 am -
2 stops12h 12m
Deal found 9/28![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 9/25. 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 10/2311:10 pm -
1 stop9h 03m
Fri 10/3012:08 pm -
1 stop9h 27m
Deal found 9/25![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 9/28. 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.
Thu 12/175:30 am -
1 stop13h 45m
Mon 1/41:30 pm -
1 stop8h 45m
Deal found 9/28![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 9/26. 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 10/166:00 am -
1 stop8h 41m
Tue 10/272:28 pm -
1 stop10h 35m
Deal found 9/26![Delta logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/28. 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 2/27:00 am -
1 stop7h 56m
Sat 2/65:15 pm -
1 stop8h 23m
Deal found 9/28![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/24. 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 2/247:00 am -
1 stop8h 02m
Wed 3/39:45 am -
2 stops14h 03m
Deal found 9/24![United Airlines logo]()
$512
Last-minute flights from Seattle to JacksonvilleDiscover last-minute flight deals from Seattle to Jacksonville. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated September 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/206:15 am -
1 stop7h 13m
Mon 10/265:08 am -
1 stop7h 50m
Deal found 9/26![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/2110:31 am -
1 stop9h 18m
Mon 10/265:08 am -
1 stop7h 50m
Deal found 9/28![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/2210:31 am -
1 stop9h 18m
Thu 10/296:40 am -
1 stop10h 37m
Deal found 9/25![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/2210:31 am -
1 stop9h 18m
Mon 10/265:08 am -
1 stop7h 50m
Deal found 9/26![American Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
2 stops23h 19m
Tue 10/277:03 pm -
2 stops18h 56m
Deal found 9/28![Frontier logo]()
$346
This Mytrip deal was found by Cheapflights users on 9/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
2 stops23h 19m
Fri 10/307:03 pm -
2 stops23h 09m
Deal found 9/25![Frontier logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/2412:04 pm -
1 stop7h 25m
Mon 10/265:08 am -
1 stop7h 50m
Deal found 9/26![American Airlines logo]()
$387
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops26h 54m
Sun 11/17:03 pm -
2 stops23h 09m
Deal found 9/27![Frontier logo]()
$338
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops26h 54m
Tue 11/37:03 pm -
2 stops23h 09m
Deal found 9/28![Frontier logo]()
$360
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 pm -
3 stops20h 38m
Tue 11/37:03 pm -
3 stops26h 51m
Deal found 9/28![Multiple Airlines logo]()
$379
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 29, 2026.
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:09 pm -
2 stops18h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$162
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:14 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:09 pm -
2 stops18h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:16 pm -
2 stops41h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 pm -
2 stops18h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/1012:14 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/204:27 pm -
2 stops45h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 -
2 stops18h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$177
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
2 stops23h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$181
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 10/2411:14 pm -
1 stop8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/2210:31 am -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$190
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Mytrip) |
One-way from | $162 (Mytrip) |
Popular in | December |
Cheapest in | August |
Average price | $484 |
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 29, 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
Wed 10/28
8:09 pm-6:08 pm
2 stops18h 59m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Mon 10/19
7:00 am-7:09 pm
1 stop9h 09m
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 10/24
10:35 pm-10:20 am
1 stop8h 45m
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
Sat 10/24
11:14 pm-10:31 am
1 stop8h 17m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Fri 10/23
12:10 am-12:35 pm
2 stops9h 25m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Fri 11/6
7:15 am-9:54 pm
1 stop11h 39m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$205
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Fri 10/23
11:59 pm-11:53 am
1 stop8h 54m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$205
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Thu 10/22
12:00 pm-11:20 pm
1 stop8h 20m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$222
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Wed 10/21
9:00 am-9:20 pm
2 stops9h 20m
Jacksonville
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$230
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Tue 10/27
10:35 pm-8:39 am
1 stop7h 04m
Jacksonville
Tue 11/3
5:49 pm-11:17 pm
1 stop8h 28m
$377
Showing 1-10 of 18 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
Prices
More
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 December is currently the most expensive (average of $557). 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 $402 and $596 in October.The cheapest round-trip price found within the last 5 days was $338 on Frontier (Oct 27-Nov 1).
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 29, 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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
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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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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$291 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$503 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$497 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$366 | Average$503 | FlexibilityNo cancel fee | On-time63% |