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Flights from Seattle to Jacksonville

Cheapest airlines flights from Seattle to Jacksonville

Fly from Seattle to Jacksonville with 1 carriers, including Delta Air Lines, Hawaiian Airlines offers the cheapest flights from Seattle to Jacksonville.
Delta Air Lines logo Delta Air Lines

Find Seattle to Jacksonville flight deals for the next 3 months. One way flights from US$120, round trip flights from US$318.

      • SEA 23:55
        9h 58m
        1 stop
        JAX 12:53
        Seattle - Jacksonville | Wed, Nov 19 | Delta Air Lines
        JAX 05:10
        8h 5m
        1 stop
        SEA 10:15
        Jacksonville - Seattle | Tue, Nov 25 | Delta Air Lines
        US$318 US$431
        26% OFF
        26% OFF
        US$431 US$318
      • SEA 23:55
        9h 58m
        1 stop
        JAX 12:53
        Seattle - Jacksonville | Thu, Nov 27 | Delta Air Lines
        JAX 21:34
        18h 3m
        1 stop
        SEA 12:37
        Jacksonville - Seattle | Mon, Dec 1 | Frontier Airlines
        US$321 US$431
        25% OFF
        25% OFF
        US$431 US$321
      • SEA 22:07
        7h 31m
        1 stop
        JAX 08:38
        Seattle - Jacksonville | Thu, Nov 27 | American Airlines
        JAX 21:34
        18h 3m
        1 stop
        SEA 12:37
        Jacksonville - Seattle | Mon, Dec 1 | Frontier Airlines
        US$354 US$431
        18% OFF
        18% OFF
        US$431 US$354
      • SEA 07:45
        8h 20m
        1 stop
        JAX 19:05
        Seattle - Jacksonville | Mon, Dec 15 | Hawaiian Airlines
        JAX 19:49
        8h 5m
        1 stop
        SEA 00:54
        Jacksonville - Seattle | Fri, Dec 19 | American Airlines
        US$366
        15% OFF
        US$431 US$366
      • SEA 00:45
        15h 20m
        1 stop
        JAX 19:05
        Seattle - Jacksonville | Mon, Dec 15 | Alaska Airlines
        JAX 19:49
        8h 5m
        1 stop
        SEA 00:54
        Jacksonville - Seattle | Fri, Dec 19 | American Airlines
        US$367
        15% OFF
        US$431 US$367
      • SEA 05:18
        10h 47m
        1 stop
        JAX 19:05
        Seattle - Jacksonville | Mon, Dec 15 | American Airlines
        JAX 19:49
        8h 5m
        1 stop
        SEA 00:54
        Jacksonville - Seattle | Fri, Dec 19 | American Airlines
        US$372
        14% OFF
        US$431 US$372
      • SEA 23:15
        8h 36m
        1 stop
        JAX 10:51
        Seattle - Jacksonville | Tue, Dec 16 | Delta Air Lines
        JAX 05:10
        8h 9m
        1 stop
        SEA 10:19
        Jacksonville - Seattle | Fri, Dec 19 | Delta Air Lines
        US$376
        13% OFF
        US$431 US$376
      • SEA 18:24
        14h 13m
        1 stop
        JAX 11:37
        Seattle - Jacksonville | Thu, Nov 20 | Sun Country Airlines
        JAX 05:10
        8h 5m
        1 stop
        SEA 10:15
        Jacksonville - Seattle | Tue, Nov 25 | Delta Air Lines
        US$388
        10% OFF
        US$431 US$388
      • SEA 23:55
        10h 9m
        1 stop
        JAX 13:04
        Seattle - Jacksonville | Mon, Dec 15 | Delta Air Lines
        JAX 19:49
        8h 5m
        1 stop
        SEA 00:54
        Jacksonville - Seattle | Fri, Dec 19 | American Airlines
        US$396
        8% OFF
        US$431 US$396
      • SEA 07:23
        8h 17m
        1 stop
        JAX 18:40
        Seattle - Jacksonville | Wed, Nov 19 | American Airlines
        JAX 17:28
        9h 31m
        1 stop
        SEA 23:59
        Jacksonville - Seattle | Tue, Nov 25 | Delta Air Lines
        US$405
        6% OFF
        US$431 US$405
      • SEA 13:00
        17h 25m
        1 stop
        JAX Invalid Date
        Seattle - Jacksonville | Fri, Nov 21 | Normal Airline
        JAX 15:00
        6h
        Nonstop
        SEA 16:00
        Jacksonville - Seattle | Sun, Nov 23 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Jacksonville Flight Information

The distance between Seattle and Jacksonville is approximately 3,934.31 km. The most popular month to fly to Jacksonville is July. The off-season for travel is November.

Cheapest one-way flight priceUS$120
Cheapest return ticket priceUS$318
Cheapest monthNovember
Peak season for travelJuly
Flight distance3,934.31 km
Popular airlineDelta Air Lines

When is the cheapest time to book flights from Seattle to Jacksonville?

Best time for cheap flights from Seattle to Jacksonville are between Nov 30 and Dec 7 with one way fares from US$120

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer flights from Seattle to Jacksonville?

    At the moment, several airlines serve connecting flights from Seattle to Jacksonville, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Jacksonville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Seattle to Jacksonville is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seattle to Jacksonville on November 24, 2025 with Frontier Airlines, with prices starting at US$106.
  • You can land at any one of the following hubs in Jacksonville, with Seattle–Tacoma International Airport to Jacksonville International Airport (SEA-JAX) is by far the most common option on this route: Jacksonville International Airport (JAX) Naval Air Station Jacksonville (NIP) Cecil Airport (VQQ).
  • The time difference between Jacksonville and Seattle is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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