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$337+ Cheap flights from Seattle to Jacksonville, NC (SEA - OAJ)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OAJ
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap 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 (OAJ). 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 septiembre 15, 2025.

Round-trip from

$337
(American Airlines)

Popular in

May

Cheapest in

August

Average price

$716
From Seattle/Tacoma Intl to Jacksonville Albert J Ellis
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Highest demand for flights based on searches. 9% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Jacksonville

Best flights from Seattle to Jacksonville
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 septiembre 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
mié. 2/181:56 pmSEA - OAJ
1 stop6h 46mAmerican Airlines
mié. 2/255:00 amOAJ - SEA
1 stop9h 56mAmerican Airlines
Deal found 9/13$337
This Delta deal was found by Cheapflights users on 9/13. 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.
mar. 3/106:00 amSEA - OAJ
1 stop8h 43mDelta
mié. 3/1111:06 amOAJ - SEA
1 stop8h 34mDelta
Deal found 9/13$427
This American Airlines deal was found by Cheapflights users on 9/13. 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.
mar. 3/106:07 pmSEA - OAJ
2 stops11h 20mAmerican Airlines
mié. 3/112:17 pmOAJ - SEA
2 stops13h 32mAmerican Airlines
Deal found 9/13$613

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 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.

Fly from

Seattle

Fly to

Jacksonville

Route

Depart

Return

Price

SeattleJacksonville

SEA - OAJ

SEAOAJ

Seattle/Tacoma Intl

mié. 2/18

1:56 pm-11:42 pm

1 stop6h 46m

Jacksonville Albert J Ellis

mié. 2/25

5:00 am-11:56 am

1 stop9h 56m

$337

SeattleJacksonville

SEA - OAJ

SEAOAJ

Seattle/Tacoma Intl

mar. 3/10

6:00 am-5:43 pm

1 stop8h 43m

Jacksonville Albert J Ellis

mié. 3/11

11:06 am-4:40 pm

1 stop8h 34m

$427

SeattleJacksonville

SEA - OAJ

SEAOAJ

Seattle/Tacoma Intl

mar. 3/10

6:07 pm-8:27 am

2 stops11h 20m

Jacksonville Albert J Ellis

mié. 3/11

2:17 pm-12:49 am

2 stops13h 32m

$613

SeattleJacksonville

SEA - OAJ

SEAOAJ

Seattle/Tacoma Intl

vie. 12/19

6:00 am-3:41 pm

1 stop6h 41m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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.
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

What is the cheapest month to book a flight from Seattle to Jacksonville, North Carolina?

Currently, August is the cheapest month in which you can book a flight from Seattle to Jacksonville, North Carolina (average of $366). Flying from Seattle to Jacksonville, North Carolina in December is currently the most expensive (average of $490). 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.

What is the cheapest time of day to fly from SEA to OAJ?

Find hourly flight availability from Seattle to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 23% on flights from Seattle to Jacksonville, North Carolina by exploring options for tickets in the morning.

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 septiembre 15, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Seattle to Jacksonville 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.
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Seattle to Jacksonville, North Carolina?

    A quick flight from Seattle to Jacksonville, North Carolina can take about 6h 46m. American Airlines provides one of the quickest options available for as low as $337. The distance from Seattle to Jacksonville, North Carolina is about 2443 mi.

  • What are the cheapest airlines flying from Seattle to Jacksonville, North Carolina round-trip?

    Cheapflights users have booked flights from Seattle to Jacksonville, North Carolina round-trip from $356. Another airline that can offer you cheap pricing is Delta. These flights start at 42% lower than the current average price 3 months from now.

  • Can I find deals for flights from Seattle to Jacksonville that include hotel bookings?

    Yes. In addition to deals on Seattle to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Jacksonville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Jacksonville.

  • Can I find deals for business class flights from Seattle to Jacksonville?

    Yes. Cheapflights offers flight deals from Seattle to Jacksonville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Jacksonville, North Carolina?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Jacksonville, North Carolina (average of $366). Flying from Seattle to Jacksonville, North Carolina in December is currently the most expensive (average of $490). 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.

See more FAQs

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Top 2 airlines flying from Seattle to Jacksonville

Discover the top 2 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 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$356Average$493FlexibilityNo cancel feeOn-time71%
DeltaCheapest$366Average$698FlexibilityNo cancel feeOn-timeN/A

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