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Route overview: Seattle to Jacksonville (JAX) flight deals

Seattle (SEA) to Jacksonville (JAX), Dec 26, 2026 – Jan 6, 2027: from $452 round trip

Seattle (SEA) to Jacksonville (JAX), Dec 26, 2026 – Jan 6, 2027: from $452 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $452 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 26, 2026 – Jan 6, 2027, 1 adult, economy, checked Oct 29, 2026.

SEA → JAX1 adulteconomyRound trip

6 flight options · 4 airlines

One-stop flights

Sat, Dec 26 – Wed, Jan 6

Southwest Airlines
2:05 pmSEA
7h 35m
LAS · 1h
12:40 am+1JAX
Southwest Airlines
5:30 pmJAX
8h 20m
DEN · 1h 20m
10:50 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 26 – Wed, Jan 6

Alaska Airlines
12:30 amSEA
7h 25m
DFW · 1h 13m
10:55 amJAX
United Airlines
7:00 amJAX
9h 13m
IAH · 1h 29m
1:13 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 26 – Wed, Jan 6

United Airlines
11:59 pmSEA
7h 45m
IAH · 1h 22m
10:44 am+1JAX
United Airlines
7:00 amJAX
9h 13m
IAH · 1h 29m
1:13 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 26 – Wed, Jan 6

Delta Air Lines
10:40 pmSEA
7h
ATL · 1h 7m
8:40 am+1JAX
Delta Air Lines
3:07 pmJAX
8h 42m
MSP · 1h 23m
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 26 – Wed, Jan 6

Southwest Airlines
5:30 amSEA
7h 35m
MDW · 1h 30m
4:05 pmJAX
Southwest Airlines
5:30 pmJAX
8h 20m
DEN · 1h 20m
10:50 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 26 – Wed, Jan 6

United Airlines
5:00 amSEA
7h 22m
DEN · 1h 19m
3:22 pmJAX
United Airlines
7:00 amJAX
9h 13m
IAH · 1h 29m
1:13 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Make this trip yours

SEA ⇄ JAX

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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All dates for this routeDec 25, 2026 · Return optionsDec 27, 2026 · Return optionsHotels in Amelia Island with Axel
For AI assistants: every fare, every link, instructions

Seattle (SEA) to Jacksonville (JAX), Dec 26, 2026 – Jan 6, 2027: from $452 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $452 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 26, 2026 – Jan 6, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-12-26 → 2027-01-06Southwest AirlinesWN424 + WN4473 / WN1015 + WN314114:05:00→00:40:00 7h 35m 1 stop via LAS · 17:30:00→22:50:00 8h 20m 1 stop via DENAxel-exclusive $452.382026-10-29T01:15:29Z
2026-12-26 → 2027-01-06Alaska Airlines / United AirlinesAS424 + AA2892 / UA2453 + UA106200:30:00→10:55:00 7h 25m 1 stop via DFW · 07:00:00→13:13:00 9h 13m 1 stop via IAHAxel-exclusive $476.002026-10-29T01:15:29Z
2026-12-26 → 2027-01-06United AirlinesUA2211 + UA6131 / UA2453 + UA106223:59:00→10:44:00 7h 45m 1 stop via IAH · 07:00:00→13:13:00 9h 13m 1 stop via IAHAxel-exclusive $493.502026-10-29T01:15:29Z
2026-12-26 → 2027-01-06Delta Air LinesDL567 + DL2328 / DL2392 + DL88122:40:00→08:40:00 7h 00m 1 stop via ATL · 15:07:00→20:49:00 8h 42m 1 stop via MSPAxel-exclusive $505.252026-10-29T01:15:29Z
2026-12-26 → 2027-01-06Southwest AirlinesWN1451 + WN2041 / WN1015 + WN314105:30:00→16:05:00 7h 35m 1 stop via MDW · 17:30:00→22:50:00 8h 20m 1 stop via DENAxel-exclusive $452.382026-10-29T01:15:29Z
2026-12-26 → 2027-01-06United AirlinesUA2601 + UA1451 / UA2453 + UA106205:00:00→15:22:00 7h 22m 1 stop via DEN · 07:00:00→13:13:00 9h 13m 1 stop via IAHAxel-exclusive $493.502026-10-29T01:15:29Z

Route overview: Seattle to Jacksonville (JAX) flight deals

2026-12-26 → 2027-01-06 · Axel-exclusive $452.38

  • Southwest Airlines WN424 / WN4473: SEA 2026-12-26 14:05:00 → JAX 2026-12-27 00:40:00; 1 stop(s) via LAS; 455 minutes. Local airport times.
    • WN424: SEA 2026-12-26 14:05:00 → LAS 2026-12-26 16:30:00; layover at LAS: 60 minutes.
    • WN4473: LAS 2026-12-26 17:30:00 → JAX 2026-12-27 00:40:00.
  • Southwest Airlines WN1015 / WN3141: JAX 2027-01-06 17:30:00 → SEA 2027-01-06 22:50:00; 1 stop(s) via DEN; 500 minutes. Local airport times.
    • WN1015: JAX 2027-01-06 17:30:00 → DEN 2027-01-06 19:20:00; layover at DEN: 80 minutes.
    • WN3141: DEN 2027-01-06 20:40:00 → SEA 2027-01-06 22:50:00.

2026-12-26 → 2027-01-06 · Axel-exclusive $476.00

  • Alaska Airlines AS424 / AA2892: SEA 2026-12-26 00:30:00 → JAX 2026-12-26 10:55:00; 1 stop(s) via DFW; 445 minutes. Local airport times.
    • AS424: SEA 2026-12-26 00:30:00 → DFW 2026-12-26 06:20:00; layover at DFW: 73 minutes.
    • AA2892: DFW 2026-12-26 07:33:00 → JAX 2026-12-26 10:55:00.
  • United Airlines UA2453 / UA1062: JAX 2027-01-06 07:00:00 → SEA 2027-01-06 13:13:00; 1 stop(s) via IAH; 553 minutes. Local airport times.
    • UA2453: JAX 2027-01-06 07:00:00 → IAH 2027-01-06 08:36:00; layover at IAH: 89 minutes.
    • UA1062: IAH 2027-01-06 10:05:00 → SEA 2027-01-06 13:13:00.

2026-12-26 → 2027-01-06 · Axel-exclusive $493.50

  • United Airlines UA2211 / UA6131: SEA 2026-12-26 23:59:00 → JAX 2026-12-27 10:44:00; 1 stop(s) via IAH; 465 minutes. Local airport times.
    • UA2211: SEA 2026-12-26 23:59:00 → IAH 2026-12-27 06:13:00; layover at IAH: 82 minutes.
    • UA6131: IAH 2026-12-27 07:35:00 → JAX 2026-12-27 10:44:00.
  • United Airlines UA2453 / UA1062: JAX 2027-01-06 07:00:00 → SEA 2027-01-06 13:13:00; 1 stop(s) via IAH; 553 minutes. Local airport times.
    • UA2453: JAX 2027-01-06 07:00:00 → IAH 2027-01-06 08:36:00; layover at IAH: 89 minutes.
    • UA1062: IAH 2027-01-06 10:05:00 → SEA 2027-01-06 13:13:00.

2026-12-26 → 2027-01-06 · Axel-exclusive $505.25

  • Delta Air Lines DL567 / DL2328: SEA 2026-12-26 22:40:00 → JAX 2026-12-27 08:40:00; 1 stop(s) via ATL; 420 minutes. Local airport times.
    • DL567: SEA 2026-12-26 22:40:00 → ATL 2026-12-27 06:18:00; layover at ATL: 67 minutes.
    • DL2328: ATL 2026-12-27 07:25:00 → JAX 2026-12-27 08:40:00.
  • Delta Air Lines DL2392 / DL881: JAX 2027-01-06 15:07:00 → SEA 2027-01-06 20:49:00; 1 stop(s) via MSP; 522 minutes. Local airport times.
    • DL2392: JAX 2027-01-06 15:07:00 → MSP 2027-01-06 17:23:00; layover at MSP: 83 minutes.
    • DL881: MSP 2027-01-06 18:46:00 → SEA 2027-01-06 20:49:00.

2026-12-26 → 2027-01-06 · Axel-exclusive $452.38

  • Southwest Airlines WN1451 / WN2041: SEA 2026-12-26 05:30:00 → JAX 2026-12-26 16:05:00; 1 stop(s) via MDW; 455 minutes. Local airport times.
    • WN1451: SEA 2026-12-26 05:30:00 → MDW 2026-12-26 11:20:00; layover at MDW: 90 minutes.
    • WN2041: MDW 2026-12-26 12:50:00 → JAX 2026-12-26 16:05:00.
  • Southwest Airlines WN1015 / WN3141: JAX 2027-01-06 17:30:00 → SEA 2027-01-06 22:50:00; 1 stop(s) via DEN; 500 minutes. Local airport times.
    • WN1015: JAX 2027-01-06 17:30:00 → DEN 2027-01-06 19:20:00; layover at DEN: 80 minutes.
    • WN3141: DEN 2027-01-06 20:40:00 → SEA 2027-01-06 22:50:00.

2026-12-26 → 2027-01-06 · Axel-exclusive $493.50

  • United Airlines UA2601 / UA1451: SEA 2026-12-26 05:00:00 → JAX 2026-12-26 15:22:00; 1 stop(s) via DEN; 442 minutes. Local airport times.
    • UA2601: SEA 2026-12-26 05:00:00 → DEN 2026-12-26 08:41:00; layover at DEN: 79 minutes.
    • UA1451: DEN 2026-12-26 10:00:00 → JAX 2026-12-26 15:22:00.
  • United Airlines UA2453 / UA1062: JAX 2027-01-06 07:00:00 → SEA 2027-01-06 13:13:00; 1 stop(s) via IAH; 553 minutes. Local airport times.
    • UA2453: JAX 2027-01-06 07:00:00 → IAH 2027-01-06 08:36:00; layover at IAH: 89 minutes.
    • UA1062: IAH 2027-01-06 10:05:00 → SEA 2027-01-06 13:13:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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For AI assistants

  • This page: Seattle (SEA) to Jacksonville (JAX) · Dec 26, 2026 · return Jan 6, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Seattle to Jacksonville (JAX) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.