$106+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Oct 10 — Oct 171
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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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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:44 am -
1 stop26h 14m
Tue 10/204:27 pm -
2 stops45h 58m
Deal found 9/7![Multiple Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/134:58 pm -
1 stop8h 58m
Sat 10/177:00 am -
1 stop9h 09m
Deal found 9/9![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/37:03 pm -
2 stops23h 09m
Thu 11/128:09 pm -
1 stop21h 37m
Deal found 9/9![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 9/9. 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 11/33:15 pm -
1 stop8h 35m
Wed 11/116:00 am -
1 stop8h 39m
Deal found 9/9![Delta logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/269:38 am -
1 stop12h 07m
Fri 10/304:27 pm -
2 stops23h 01m
Deal found 9/9![Multiple Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/33:04 pm -
2 stops11h 23m
Tue 10/65:00 am -
1 stop7h 42m
Deal found 9/8![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/17:03 pm -
2 stops23h 09m
Thu 11/128:09 pm -
1 stop21h 37m
Deal found 9/9![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/64:58 pm -
1 stop8h 58m
Fri 10/2312:00 pm -
1 stop8h 20m
Deal found 9/8![United Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:38 am -
1 stop12h 07m
Mon 10/199:16 pm -
2 stops18h 30m
Deal found 9/7![Multiple Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:08 am -
1 stop7h 50m
Sat 10/176:00 am -
1 stop10h 25m
Deal found 9/9![American Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/309:44 am -
1 stop26h 58m
Tue 10/610:57 am -
2 stops29h 04m
Deal found 9/8![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/27:03 pm -
2 stops47h 09m
Thu 11/128:09 pm -
1 stop21h 37m
Deal found 9/8![Multiple Airlines logo]()
$397
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 September 10, 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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/134:58 pm -
1 stop8h 58m
Sat 10/177:00 am -
1 stop9h 09m
Deal found 9/9![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:40 pm -
2 stops11h 00m
Thu 10/2912:10 am -
2 stops11h 15m
Deal found 9/9![Southwest logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/279:45 am -
1 stop8h 47m
Mon 11/28:30 am -
2 stops11h 45m
Deal found 9/8![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/64:58 pm -
1 stop8h 58m
Fri 10/2312:00 pm -
1 stop8h 20m
Deal found 9/8![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/9. 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 -
2 stops11h 30m
Sun 11/155:30 am -
1 stop7h 35m
Deal found 9/9![Southwest logo]()
$454
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:00 pm -
2 stops10h 45m
Sat 10/246:15 am -
1 stop6h 55m
Deal found 9/7![Southwest logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:58 pm -
1 stop8h 58m
Mon 10/1911:14 pm -
1 stop8h 46m
Deal found 9/7![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:58 pm -
1 stop8h 58m
Mon 11/28:09 am -
1 stop10h 01m
Deal found 9/6![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/9. 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 10/132:25 pm -
2 stops11h 15m
Fri 10/1612:10 am -
2 stops11h 25m
Deal found 9/9![Southwest logo]()
$493
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:58 pm -
1 stop8h 58m
Sat 10/2411:59 pm -
1 stop7h 45m
Deal found 9/7![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:55 pm -
2 stops10h 45m
Tue 12/295:35 am -
1 stop9h 40m
Deal found 9/6![Southwest logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/137:30 am -
1 stop11h 02m
Sun 11/1511:59 pm -
1 stop7h 45m
Deal found 9/9![United Airlines logo]()
$449
Last-minute flights from Jacksonville to SeattleDiscover last-minute flight deals from Jacksonville to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/309:44 am -
1 stop26h 58m
Tue 10/610:57 am -
2 stops29h 04m
Deal found 9/8![Multiple Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/33:04 pm -
2 stops11h 23m
Tue 10/65:00 am -
1 stop7h 42m
Deal found 9/8![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/64:58 pm -
1 stop8h 58m
Fri 10/2312:00 pm -
1 stop8h 20m
Deal found 9/8![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/71:51 pm -
1 stop8h 53m
Wed 10/1412:04 pm -
1 stop7h 25m
Deal found 9/9![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:08 am -
1 stop7h 50m
Sat 10/176:00 am -
1 stop10h 25m
Deal found 9/9![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/134:58 pm -
1 stop8h 58m
Sat 10/177:00 am -
1 stop9h 09m
Deal found 9/9![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:44 am -
1 stop26h 14m
Tue 10/204:27 pm -
2 stops45h 58m
Deal found 9/7![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:38 am -
1 stop12h 07m
Mon 10/199:16 pm -
2 stops18h 30m
Deal found 9/7![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:44 am -
1 stop26h 14m
Mon 11/24:27 pm -
2 stops22h 41m
Deal found 9/6![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/269:38 am -
1 stop12h 07m
Fri 10/304:27 pm -
2 stops23h 01m
Deal found 9/9![Multiple Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 9/9. 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 10/3110:45 am -
2 stops10h 45m
Thu 11/125:30 am -
2 stops9h 55m
Deal found 9/9![Southwest logo]()
$404
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 September 10, 2026.
Search for one-way flight options from Jacksonville to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:46 pm -
2 stops22h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/127:46 pm -
2 stops22h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:46 pm -
2 stops40h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:46 pm -
2 stops22h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/134:58 pm -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 9/8. 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 10/178:28 am -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/287:46 pm -
2 stops22h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$199
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/94:58 pm -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:59 pm -
2 stops24h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 9/8. 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 10/127:00 pm -
1 stop7h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:46 pm -
2 stops40h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$216
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $371 (Kiwi.com) |
One-way from | $106 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $470 |
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 September 10, 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
Sat 10/17
8:28 am-4:16 pm
1 stop10h 48m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Quickest round-trip
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 10/9
4:58 pm-10:56 pm
1 stop8h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$201
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 11/20
5:59 pm-3:22 pm
2 stops24h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$205
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Fri 10/2
4:58 pm-10:56 pm
1 stop8h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Sat 10/3
4:58 pm-10:56 pm
1 stop8h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Sat 10/17
5:08 am-12:18 pm
1 stop10h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Mon 11/23
4:45 pm-11:07 pm
1 stop9h 22m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Sat 10/17
7:00 am-5:37 pm
2 stops13h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Tue 10/13
4:58 pm-10:56 pm
1 stop8h 58m
Seattle/Tacoma Intl
Sat 10/17
7:00 am-7:09 pm
1 stop9h 09m
$372
JacksonvilleSeattle
JAX Jacksonville - SEA Seattle/Tacoma Intl
JAXSEA
Jacksonville
Tue 10/27
9:45 am-3:32 pm
1 stop8h 47m
Seattle/Tacoma Intl
Mon 11/2
8:30 am-11:15 pm
2 stops11h 45m
$382
Showing 1-10 of 20 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 September.
| 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
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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, February is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $411). Flying from Jacksonville to Seattle in March is currently the most expensive (average of $626). 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 $421 and $536 in October.The cheapest round-trip price found within the last 5 days was $371 on Multiple Airlines (Oct 14-Oct 20).
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.
Chicago (ORD) – chosen by Cheapflights users on 40% 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 $475.
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 25m.
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 Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 08m.
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 September 10, 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.
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Jacksonville and Seattle flights
Browse other Jacksonville and Seattle flight options. Last updated on September 10, 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 September 10, 2026.
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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 September 10, 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$266 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$522 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$362 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$391 | Average$517 | FlexibilityNo cancel fee | On-time63% |