$125+ Cheap flights from Jacksonville to Seattle (JAX - SEA)
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Nov 23 — Nov 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Jacksonville to Seattle 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 Jacksonville to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Jacksonville to SeattleExplore the most affordable flight options available from Jacksonville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Jacksonville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:45 pm -
1 stop8h 58m
Mon 12/1411:59 pm -
1 stop7h 45m
Deal found 10/23![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:35 am -
1 stop9h 03m
Mon 12/72:05 pm -
1 stop7h 04m
Deal found 10/21![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:44 pm -
2 stops10h 31m
Mon 11/167:00 am -
1 stop8h 01m
Deal found 10/22![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:55 pm -
2 stops11h 55m
Mon 12/76:10 am -
1 stop7h 00m
Deal found 10/19![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm -
1 stop8h 40m
Sun 11/155:30 am -
1 stop13h 50m
Deal found 10/22![Southwest logo]()
$335
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:04 pm -
1 stop8h 38m
Tue 1/510:29 pm -
1 stop9h 12m
Deal found 10/20![American Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:45 pm -
1 stop9h 20m
Sun 11/155:30 am -
1 stop13h 50m
Deal found 10/20![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:47 pm -
1 stop9h 55m
Thu 11/2611:32 am -
1 stop8h 27m
Deal found 10/20![American Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 am -
1 stop10h 26m
Sat 11/148:25 am -
1 stop6h 35m
Deal found 10/19![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:15 pm -
1 stop8h 04m
Wed 11/258:09 am -
1 stop10h 01m
Deal found 10/20![United Airlines logo]()
$365
Best flights from Jacksonville to SeattleDiscover carefully curated flight deals from Jacksonville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Jacksonville to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:25 pm -
1 stop7h 56m
Mon 12/147:30 pm -
2 stops12h 14m
Deal found 10/20![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:55 pm -
2 stops11h 55m
Mon 12/76:10 am -
1 stop7h 00m
Deal found 10/19![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:05 am -
1 stop8h 00m
Sun 11/2911:35 pm -
1 stop7h 35m
Deal found 10/20![Delta logo]()
$495
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 am -
1 stop8h 29m
Sun 12/205:45 am -
1 stop8h 39m
Deal found 10/23![American Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:15 pm -
1 stop8h 04m
Wed 11/258:09 am -
1 stop10h 01m
Deal found 10/20![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:30 pm -
1 stop13h 05m
Fri 12/46:10 am -
1 stop7h 00m
Deal found 10/22![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:00 am -
2 stops11h 22m
Wed 12/3011:44 pm -
1 stop8h 07m
Deal found 10/20![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:53 pm -
1 stop8h 39m
Thu 12/3110:50 pm -
1 stop8h 47m
Deal found 10/20![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/99:48 am -
2 stops14h 14m
Mon 1/118:30 am -
2 stops11h 49m
Deal found 10/21![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:45 pm -
1 stop9h 35m
Thu 11/267:00 am -
1 stop8h 01m
Deal found 10/18![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:34 pm -
1 stop8h 19m
Wed 11/257:00 am -
1 stop8h 01m
Deal found 10/19![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:53 pm -
1 stop8h 39m
Tue 1/55:28 pm -
2 stops14h 20m
Deal found 10/22![United Airlines logo]()
$526
Last-minute flights from Jacksonville to SeattleDiscover last-minute flight deals from Jacksonville to Seattle. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Seattle. Data last updated October 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:59 pm -
1 stop7h 58m
Mon 11/1610:52 pm -
1 stop11h 13m
Deal found 10/23![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:44 pm -
2 stops10h 31m
Mon 11/167:00 am -
1 stop8h 01m
Deal found 10/22![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 am -
1 stop10h 26m
Sat 11/148:25 am -
1 stop6h 35m
Deal found 10/19![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm -
1 stop8h 40m
Sun 11/155:30 am -
1 stop13h 50m
Deal found 10/22![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:05 am -
1 stop8h 00m
Tue 11/2410:40 pm -
1 stop6h 58m
Deal found 10/21![Delta logo]()
$369
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:03 pm -
2 stops23h 09m
Mon 11/164:27 pm -
2 stops22h 44m
Deal found 10/22![Frontier logo]()
$384
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:45 pm -
1 stop9h 20m
Sun 11/155:30 am -
1 stop13h 50m
Deal found 10/20![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:00 am -
2 stops11h 27m
Thu 11/195:05 am -
1 stop6h 58m
Deal found 10/23![United Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:15 pm -
1 stop8h 04m
Wed 11/258:09 am -
1 stop10h 01m
Deal found 10/20![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:44 pm -
2 stops10h 31m
Mon 11/237:00 am -
1 stop8h 01m
Deal found 10/19![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:47 pm -
1 stop9h 55m
Thu 11/2611:32 am -
1 stop8h 27m
Deal found 10/20![American Airlines logo]()
$347
One-way flights from Jacksonville to SeattleSearch for one-way flight options from Jacksonville to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Jacksonville to Seattle. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:03 pm -
2 stops23h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:03 pm -
2 stops47h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$147
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:15 am -
1 stop8h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$162
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:55 pm -
2 stops11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:00 am -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:07 pm -
1 stop8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$180
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:40 am -
2 stops12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:03 pm -
2 stops47h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$188
Find flight deals from Jacksonville to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Seattle (SEA). 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (United Airlines) |
One-way from | $125 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $450 |
Cheapflights Fare Finder
Customize your flight search to find flights from Jacksonville to Seattle 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 October 24, 2026.
Use the filters below to find and compare flights from Jacksonville to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Tue 11/17
5:35 pm-11:57 pm
1 stop9h 22m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$162
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Thu 11/12
11:15 am-4:38 pm
1 stop8h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$162
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Thu 11/19
1:45 pm-8:18 pm
1 stop9h 33m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$162
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Tue 11/17
6:35 am-5:50 pm
2 stops14h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$191
Quickest round-trip
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 11/27
5:00 am-10:12 am
1 stop8h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$208
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Mon 11/9
7:03 pm-3:12 pm
2 stops47h 09m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Sun 11/15
7:11 am-3:32 pm
1 stop11h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$231
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 11/20
7:30 am-3:32 pm
1 stop11h 02m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$241
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Sun 11/15
5:05 am-12:36 pm
1 stop10h 31m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$258
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 12/18
4:50 pm-1:10 am
2 stops11h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Jacksonville to Seattle
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 Jacksonville to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Jacksonville-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Jacksonville-Seattle 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 Jacksonville-Seattle 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 Jacksonville to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Jacksonville with our price prediction graph.
JAX-SEA
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 Jacksonville to Seattle
Prices
More
How far ahead should I book a flight from Jacksonville to Seattle?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Jacksonville to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Jacksonville to Seattle?
Currently, January is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $421). Flying from Jacksonville to Seattle in March is currently the most expensive (average of $652). 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 Jacksonville to Seattle?
Airfare is below average for this route at the moment.
Jacksonville to Seattle flights typically cost between $384 and $580 in December.The cheapest round-trip price found within the last 5 days was $318 on United Airlines (Dec 7-Dec 14).
What’s the top layover airport for flights from Jacksonville to Seattle?
Share of 1-stop round-trip flights from Jacksonville to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Charlotte (CLT) – chosen by Cheapflights users on 50% of 1-stop itineraries from Jacksonville to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Jacksonville to Seattle?
Average round-trip fare for 1-stop flights from Jacksonville to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $423.
What’s the fastest layover option from Jacksonville to Seattle?
Shortest average travel time for 1-stop one-way flights from Jacksonville to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 8h 30m.
Which airport typically offers the quickest layover for flights from Jacksonville to Seattle?
Average layover duration for 1-stop one-way flights from Jacksonville to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 04m.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 24, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Jacksonville to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Related info for your journey
Find useful and relevant information for your journey from Jacksonville to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Jacksonville
Popular flights
Seattle flight routes
Alternative routes for Jacksonville to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Jacksonville to Seattle by cabin class
Find flights from Jacksonville to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Jacksonville and Seattle flights
Browse other Jacksonville and Seattle flight options. Last updated on October 24, 2026.
Other flights from Jacksonville
Browse through other flights departing from Jacksonville. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Top 4 airlines flying from Jacksonville to Seattle
Discover the top 4 airlines that operate flights from Jacksonville to Seattle. 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 October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$304 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$359 | Average$516 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$366 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$392 | Average$522 | FlexibilityNo cancel fee | On-time63% |