Best Flights starting from N/A
from—economy
Jacksonville (JAX)
Tue, Sep 29
Roundtrip
Seattle (Any)
Tue, Oct 6
from$323economy
Jacksonville (JAX)
Tue, Sep 22
Roundtrip
Seattle (Any)
Tue, Sep 29
from$337economy
Jacksonville (JAX)
Tue, Sep 1
Roundtrip
Seattle (Any)
Tue, Sep 8
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Other Options for This Route
Other Destinations
Jacksonville (JAX) to Tampa (TPA) in September from $156
From $156
Jacksonville (JAX) to Kansas City (MCI) in September from $235
From $235
Jacksonville (JAX) to St Louis (STL) in September from $236
From $236
Jacksonville (JAX) to Newark (EWR) in September from $237
From $237
Jacksonville (JAX) to Burbank (BUR) in September from $261
From $261
Jacksonville (JAX) to Buffalo (BUF) in September from $269
From $269
Flights from Other Cities
Newark (EWR) to Seattle (Any) in September from $99
From $99
Des Moines (DSM) to Seattle (Any) in September from $122
From $122
Pittsburgh (PIT) to Seattle (Any) in September from $169
From $169
St Louis (STL) to Seattle (Any) in September from $189
From $189
Newark (EWR) to Seattle (Any) in September from $197
From $197
Detroit (DTW) to Seattle (Any) in September from $204
From $204
✈️ Flight Guide: Jacksonville (JAX) → Seattle (Any)
Complete travel information for your September journey
September is a transitional travel month for departures from Jacksonville International Airport (JAX). After summer peaks, early September can see higher fares around Labor Day, while mid-to-late September often offers more availability and better airfare deals for flights to Seattle (All Airports) (SEAA). Expect temperatures in Jacksonville to remain warm, with occasional impacts from Atlantic tropical activity.
Departing from Jacksonville (JAX) FAQs
Jacksonville International Airport (JAX) offers passenger amenities year-round including TSA PreCheck lanes, dining and retail options, free Wi‑Fi, baggage services, and short- and long-term parking. In September you can usually expect regular hours for shops and eateries, though some concessions may have reduced hours on Labor Day weekend. For faster processing, arrive early and check terminal maps and real-time updates on the JAX official site before your flight.
For a domestic flight from Jacksonville International Airport (JAX) to Seattle (All Airports) (SEAA) in September, arrive at least 2 hours before departure for carry-on only and 2.5–3 hours if checking bags or traveling over Labor Day weekend. September can see spikes in travel around holidays and late-summer events; check security wait times and your airline’s recommended arrival window to avoid last-minute stress.
Nonstop service between Jacksonville International Airport (JAX) and Seattle (All Airports) (SEAA) is uncommon; most itineraries in September are one-stop or two-stop flights via hubs such as Atlanta (ATL), Charlotte (CLT), Dallas-Fort Worth (DFW), or Chicago O'Hare (ORD). If you need a nonstop, check seasonal schedules and carrier announcements—booking early increases your chances of finding one-stop options with short layovers.
September is peak Atlantic hurricane season and can occasionally disrupt flights from Jacksonville International Airport (JAX), causing delays or reroutes. Airlines monitor storms closely and may issue waivers or rebooking options—sign up for airline alerts, consider travel insurance, and check NOAA and airline advisories the week of departure to stay informed and flexible.
Jacksonville International Airport (JAX) provides short-term, long-term, and economy parking with shuttle service, plus ride‑share pickup areas and taxi/limousine services. In September, rates and occupancy can vary—use JAX parking reservations for guaranteed spots, or take advantage of app-based ride services to reduce lot fees. For connections to nearby St. Augustine, Orlando, or downtown Jacksonville, prebook shuttle or rideshare if you have tight layovers.
From Jacksonville International Airport (JAX), travelers often connect through major hubs like Atlanta (ATL), Charlotte (CLT), Dallas-Fort Worth (DFW), or New York (JFK/LGA) to reach Seattle (All Airports) (SEAA). Nearby Florida destinations accessible from JAX include Orlando, Tampa, and Miami; consider multi-city itineraries if you plan to visit Jacksonville and nearby St. Augustine before heading to Seattle.
Arriving at Seattle (All Airports) (SEAA) in September offers comfortable temperatures, fewer summer crowds, and access to fall festivals. Travelers from Jacksonville International Airport (JAX) will find efficient ground connections, good hotel availability except around major event weekends, and crisp, clear views—ideal for urban sightseeing and outdoor activities.
Arriving at Seattle (Any) FAQs
Seattle (All Airports) (SEAA) typically refers to Seattle–Tacoma International Airport (SEA) as the primary commercial gateway, with secondary options including Paine Field (PAE) in Everett and Boeing Field/King County International (BFI) for some charters. For most arrivals from Jacksonville, Seattle–Tacoma International Airport (SEA) offers the most frequent connections, ground transport options, and rental car services.
Arrivals at Seattle (All Airports) (SEAA) in September generally enjoy mild, mostly dry weather with comfortable temperatures ideal for sightseeing. Expect efficient customs and TSA procedures at SEA for domestic arrivals, plentiful ride-share and light rail connections to downtown Seattle, and easy access to nearby cities like Bellevue and Tacoma. Pack a light layer for marine-influenced mornings and evenings.
Yes — September in Seattle features events such as Bumbershoot (traditionally Labor Day weekend), Mariners baseball games at T-Mobile Park, and various arts festivals which can increase hotel demand and local traffic near downtown. When traveling from Jacksonville in September, book accommodations early and factor event-night traffic into your airport transfer plans to avoid delays.
From Seattle–Tacoma International Airport (SEA), the Link Light Rail offers a reliable and cost-effective direct route to downtown Seattle and University District, while taxis and app-based ride-hailing provide door-to-door convenience. September's pleasant weather makes shuttles and rental cars popular for travelers planning day trips to Bellevue, Tacoma, or Mount Rainier, so compare cost and travel time before choosing.
Domestic arrivals from Jacksonville to Seattle (All Airports) (SEAA) will collect checked luggage at the destination terminal; standard baggage claim and domestic security procedures apply at SEA. If your itinerary includes an international leg or transits through a U.S. preclearance airport, follow airline instructions for customs forms—otherwise, verify baggage allowances and fees with your carrier for a smooth arrival.
After arriving at Seattle (All Airports) (SEAA), travelers have easy access to Bellevue, Tacoma, Everett, Bremerton (via ferry), and Vancouver BC (by road), with convenient connections via light rail, shuttle services, and regional flights. September’s mild weather is ideal for exploring Puget Sound or taking scenic drives to Mount Rainier and the Olympic Peninsula.
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September Events & Festivals Affecting JAX to SEAA Travel
September features several events that can influence travel on the JAX→SEAA route. In Seattle, Bumbershoot (art and music festival), Mariners games, and fall cultural events attract visitors and can affect hotel and transfer availability. In Jacksonville and nearby cities, early NFL season Jaguars games and local cultural happenings can increase local departures. Consider event calendars when planning September travel to avoid inflated fares or crowded transit.
Best Time to Fly JAX to SEAA in September
The best time to fly from Jacksonville International Airport (JAX) to Seattle (All Airports) (SEAA) in September is mid-to-late September on weekdays, when fares and demand typically drop after Labor Day. Early September can be busy and expensive due to holiday travel and end-of-summer vacations. For optimal pricing and lower airport crowds, target Tuesday or Wednesday departures and early-morning flights.
Direct vs Connecting Flights JAX to SEAA — September Guide
For the JAX → SEAA route, connecting flights are far more common than nonstop options. Direct flights (nonstop) are rare and, when available, command a premium. Connecting flights via major hubs (ATL, CLT, DFW, ORD) offer lower fares and more schedule flexibility but come with an increased chance of delays. Choose nonstop if minimizing travel time and connections is critical; choose connecting itineraries to save money or access better departure times.
Airline Comparison for JAX to SEAA Flights in September
Major carriers serving the JAX→SEAA market via one-stop connections in September include Delta (via ATL), American (via CLT/DFW), United (via ORD/IAH), and Alaska (via SEA connecting partners). Delta often provides smooth single-carrier connections through Atlanta with premium customer service options; American offers competitive pricing through its DFW/CLT hubs; United provides broad routing options through ORD/IAH; Alaska Airlines is strong on west-coast connectivity once you reach Seattle.
September Seasonal Travel Tips for JAX to SEAA
September travel from Jacksonville International Airport (JAX) to Seattle (All Airports) (SEAA) benefits from fewer summer crowds and pleasant West Coast weather, but travelers should prepare for Atlantic hurricane season impacting Florida departures and a cooler, marine-influenced climate in Seattle. Pack layered clothing, a lightweight rain jacket, and comfortable walking shoes. Consider refundable fares or travel insurance if traveling during late-September storm forecasts.
Flight Time & Schedules — JAX to SEAA in September
Typical travel time for flights from Jacksonville International Airport (JAX) to Seattle (All Airports) (SEAA) ranges from about 7.5 to 11 hours depending on connections and layover length. Direct nonstop flights are rare; most September itineraries involve one stop at hubs like Atlanta (ATL), Charlotte (CLT), Dallas-Fort Worth (DFW), or Chicago O'Hare (ORD). Early-morning departures reduce the risk of same-day delay cascades, while red-eye options can offer lower fares but may increase fatigue.
Cheap Flights JAX to SEAA in September — Save on Jacksonville to Seattle Airfare
Find cheap flights from Jacksonville International Airport (JAX) to Seattle (All Airports) (SEAA) in September by booking 6–8 weeks ahead, searching flexible dates, and considering one-stop itineraries through hubs like Atlanta, Charlotte, or Dallas. Use fare-comparison engines, subscribe to airline newsletters for flash sales, and check alternate nearby airports (e.g., Orlando MCO or Tampa TPA) for potentially lower fares. For best savings, fly midweek, use price alerts, and be flexible with luggage and seat selection to avoid ancillary fees.
Tips
- Book midweek (Tuesday–Thursday) departures for lower September fares.
- Set price alerts on multiple platforms and check for carrier-specific promotions.
- Consider one-stop routes (ATL, CLT, DFW, ORD) to reduce costs compared with rare nonstop options.
- Use flexible-date search and nearby-airport comparisons to unlock cheaper itineraries.