$169+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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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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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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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 August 31, 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 August 31, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:10 pm -
1 stop8h 57m
Fri 9/113:54 pm -
1 stop8h 21m
Deal found 8/27![Delta logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:13 pm -
2 stops18h 15m
Mon 11/99:38 am -
1 stop12h 16m
Deal found 8/26![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 10/228:00 pm -
1 stop21h 46m
Tue 10/277:03 pm -
2 stops23h 09m
Deal found 8/27![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/198:10 am -
1 stop9h 44m
Wed 9/234:45 pm -
1 stop9h 00m
Deal found 8/27![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:42 pm -
1 stop8h 24m
Tue 10/2011:48 am -
1 stop8h 00m
Deal found 8/27![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 pm -
1 stop8h 50m
Tue 9/293:35 pm -
2 stops10h 35m
Deal found 8/26![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/911:59 pm -
1 stop7h 46m
Sat 9/124:45 pm -
1 stop9h 00m
Deal found 8/28![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 am -
1 stop7h 45m
Sat 9/266:36 am -
1 stop9h 14m
Deal found 8/27![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:10 pm -
1 stop9h 03m
Tue 10/276:10 am -
1 stop9h 12m
Deal found 8/27![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:59 pm -
1 stop7h 53m
Sat 10/243:04 pm -
2 stops11h 22m
Deal found 8/26![United Airlines logo]()
$400
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 August 31, 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 August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 9/1012:10 pm -
1 stop8h 10m
Fri 9/1112:37 pm -
1 stop9h 37m
Deal found 8/30![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/27. 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.
Sat 9/269:40 am -
1 stop6h 40m
Sat 10/31:20 pm -
2 stops11h 20m
Deal found 8/27![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/2611:59 pm -
1 stop7h 53m
Sat 10/34:58 pm -
1 stop8h 58m
Deal found 8/27![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 9/911:59 pm -
1 stop7h 46m
Sat 9/127:05 am -
2 stops11h 59m
Deal found 8/27![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:15 am -
2 stops11h 20m
Thu 11/2610:55 am -
2 stops10h 50m
Deal found 8/30![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:59 pm -
1 stop7h 53m
Sat 10/243:04 pm -
2 stops11h 22m
Deal found 8/26![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 8/28. 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.
Sat 10/106:15 am -
2 stops10h 40m
Sat 10/246:10 am -
2 stops10h 45m
Deal found 8/28![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:59 pm -
1 stop7h 53m
Sat 10/243:04 pm -
2 stops11h 22m
Deal found 8/26![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 8/28. 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.
Tue 10/612:10 am -
2 stops10h 40m
Sun 10/111:55 pm -
1 stop12h 25m
Deal found 8/28![Southwest logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 10/1511:14 pm -
1 stop8h 46m
Mon 10/194:58 pm -
1 stop8h 55m
Deal found 8/30![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 10/1611:59 pm -
1 stop7h 53m
Wed 10/214:58 pm -
1 stop8h 58m
Deal found 8/28![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/1011:04 pm -
1 stop8h 41m
Tue 9/154:45 pm -
1 stop9h 00m
Deal found 8/27![United Airlines logo]()
$467
Last-minute flights from Seattle to JacksonvilleDiscover last-minute flight deals from Seattle to Jacksonville. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated August 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/911:59 pm -
1 stop7h 46m
Sat 9/124:45 pm -
1 stop9h 00m
Deal found 8/28![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/1110:59 am -
1 stop8h 41m
Sat 9/126:18 pm -
1 stop8h 53m
Deal found 8/28![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/1710:17 am -
1 stop9h 05m
Thu 9/245:16 pm -
1 stop8h 53m
Deal found 8/26![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/198:10 am -
1 stop9h 44m
Wed 9/234:45 pm -
1 stop9h 00m
Deal found 8/27![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 am -
1 stop7h 45m
Sat 9/266:36 am -
1 stop9h 14m
Deal found 8/27![American Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Fri 9/258:15 pm -
2 stops19h 46m
Mon 9/289:39 am -
1 stop11h 57m
Deal found 8/30![Multiple Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 8/27. 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.
Sat 9/269:40 am -
1 stop6h 40m
Sat 10/31:20 pm -
2 stops11h 20m
Deal found 8/27![Southwest 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 August 31, 2026.
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
1 stop9h 19m
Deal found 8/29![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:27 pm -
2 stops47h 19m
Deal found 8/26![Frontier logo]()
$175
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:59 pm -
1 stop8h 15m
Deal found 8/27![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/218:15 pm -
2 stops19h 46m
Deal found 8/30![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/1812:14 pm -
2 stops26h 54m
Deal found 8/28![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:15 pm -
2 stops19h 46m
Deal found 8/31![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/239:45 pm -
2 stops18h 16m
Deal found 8/31![Frontier logo]()
$202
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:03 am -
1 stop9h 56m
Deal found 8/27![American Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/249:45 pm -
2 stops18h 16m
Deal found 8/31![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/279:45 pm -
2 stops42h 16m
Deal found 8/31![Frontier logo]()
$212
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:10 am -
1 stop9h 44m
Deal found 8/29![United Airlines logo]()
$224
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (American Airlines) |
One-way from | $169 (United Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $453 |
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 August 31, 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
Thu 9/10
12:10 pm-11:20 pm
1 stop8h 10m
Jacksonville
Fri 9/11
12:37 pm-7:14 pm
1 stop9h 37m
$337
Quickest round-trip
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 9/26
11:59 pm-10:52 am
1 stop7h 53m
Jacksonville
Sat 10/3
4:58 pm-10:56 pm
1 stop8h 58m
$372
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 9/26
9:40 am-7:20 pm
1 stop6h 40m
Jacksonville
Sat 10/3
1:20 pm-9:40 pm
2 stops11h 20m
$382
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Wed 9/9
11:59 pm-10:45 am
1 stop7h 46m
Jacksonville
Sat 9/12
7:05 am-4:04 pm
2 stops11h 59m
$397
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Fri 10/9
11:59 pm-10:52 am
1 stop7h 53m
Jacksonville
Sat 10/24
3:04 pm-11:26 pm
2 stops11h 22m
$400
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Sat 10/10
11:59 pm-10:52 am
1 stop7h 53m
Jacksonville
Sat 10/24
3:04 pm-11:26 pm
2 stops11h 22m
$411
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Thu 10/15
11:14 pm-11:00 am
1 stop8h 46m
Jacksonville
Mon 10/19
4:58 pm-10:53 pm
1 stop8h 55m
$446
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Fri 10/16
11:59 pm-10:52 am
1 stop7h 53m
Jacksonville
Wed 10/21
4:58 pm-10:56 pm
1 stop8h 58m
$446
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Thu 9/10
11:04 pm-10:45 am
1 stop8h 41m
Jacksonville
Tue 9/15
4:45 pm-10:45 pm
1 stop9h 00m
$467
SeattleJacksonville
SEA Seattle/Tacoma Intl - JAX Jacksonville
SEAJAX
Seattle/Tacoma Intl
Wed 11/25
6:15 am-8:35 pm
2 stops11h 20m
Jacksonville
Thu 11/26
10:55 am-6:45 pm
2 stops10h 50m
$479
Showing 1-10 of 23 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 August.
| 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, November is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of $446). 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 $366 and $600 in September.The cheapest round-trip price found within the last 5 days was $337 on American Airlines (Sep 11-Sep 12).
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 August 31, 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$501 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$366 | Average$488 | FlexibilityNo cancel fee | On-time63% |