Best Flights starting from N/A
from—economy
Baton Rouge (BTR)
Tue, Sep 29
Roundtrip
Seattle (SEA)
Mon, Oct 5
from$327economy
Baton Rouge (BTR)
Tue, Sep 15
Roundtrip
Seattle (SEA)
Sun, Sep 20
from$327economy
Baton Rouge (BTR)
Thu, Sep 17
Roundtrip
Seattle (SEA)
Tue, Sep 22
from$327economy
Baton Rouge (BTR)
Sat, Sep 19
Roundtrip
Seattle (SEA)
Thu, Sep 24
from$332economy
Baton Rouge (BTR)
Mon, Sep 14
Roundtrip
Seattle (SEA)
Sat, Sep 19
from$371economy
Baton Rouge (BTR)
Fri, Sep 18
Roundtrip
Seattle (SEA)
Wed, Sep 23
from$378economy
Baton Rouge (BTR)
Wed, Sep 16
Roundtrip
Seattle (SEA)
Mon, Sep 21
from$584economy
Baton Rouge (BTR)
Sun, Sep 20
Roundtrip
Seattle (SEA)
Fri, Sep 25
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Other Options for This Route
Other Destinations
Baton Rouge (BTR) to Wichita (ICT) in September from $250
From $250
Baton Rouge (BTR) to Milwaukee (MKE) in September from $309
From $309
Baton Rouge (BTR) to Manchester (MHT) in September from $412
From $412
Baton Rouge (BTR) to Cancun (CUN) in September from $593
From $593
Baton Rouge (BTR) to Dallas (DFW) in October from $485
From $485
Baton Rouge (BTR) to Washington, D.C. (DCA) in October from $515
From $515
Flights from Other Cities
Denver (DEN) to Seattle (SEA) in September from $118
From $118
Las Vegas (LAS) to Seattle (SEA) in September from $118
From $118
Los Angeles (LAX) to Seattle (SEA) in September from $128
From $128
Colorado Springs (COS) to Seattle (SEA) in September from $149
From $149
Fort Myers (RSW) to Seattle (SEA) in September from $159
From $159
San Diego (SAN) to Seattle (SEA) in September from $183
From $183
✈️ Flight Guide: Baton Rouge (BTR) → Seattle (SEA)
Complete travel information for your September journey
Planning to depart Baton Rouge Metropolitan Airport (BTR) for Seattle-Tacoma International Airport (SEA) in September? September is a good month to travel thanks to generally stable weather, lower summer crowds, and active fall sports season locally. Expect one-stop itineraries through hubs such as Atlanta, Dallas-Fort Worth, or Houston with total travel times most commonly between 7 and 10 hours. With LSU football home games on some September weekends, book parking and rideshares early to avoid peak demand. For cheap flights from BTR to SEA, search flexible dates and midweek departures—Tuesdays and Wednesdays often yield lower fares. Pack light, layer for Seattle’s cooler mornings, and set fare alerts for BTR to SEA September deals. Ready to book your September flight from Baton Rouge to Seattle? Check carrier schedules and compare prices now.
Departing from Baton Rouge (BTR) FAQs
Most itineraries from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) in September are operated by major carriers with one connection, commonly Delta (via Atlanta), American Airlines (via Dallas-Fort Worth or Charlotte), and United (via Houston). Alaska Airlines may appear on the final Seattle leg when combined with partner carriers. Book early for September travel to secure the best schedules and fares.
Nonstop flights between Baton Rouge Metropolitan Airport (BTR) and Seattle-Tacoma International Airport (SEA) are rare to nonexistent. Most travelers will book one-stop itineraries via major hubs like Atlanta (ATL), Dallas-Fort Worth (DFW), or Houston (IAH), resulting in total travel times typically between 7 and 10 hours including layover. If you need a nonstop, consider flying from a larger nearby airport such as Louis Armstrong New Orleans International Airport for potential direct options to Seattle.
The nonstop airborne time between the Baton Rouge and Seattle regions would be roughly 5 to 5.5 hours, but because most itineraries include a connection, typical total trip time from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) in September ranges from about 7 to 10 hours door-to-door. Exact duration depends on the connection airport and layover length, so check schedules for fastest routing.
September in Seattle brings mild, often crisp mornings and comfortable afternoons with a chance of light rain—pack layers, a light waterproof jacket, a sweater, and comfortable walking shoes. Since Baton Rouge is typically warm and humid, include breathable clothing for departure and warmer layers for arrival. Don’t forget a compact umbrella and a portable charger for sightseeing in downtown Seattle, Bellevue, and Tacoma.
September is generally a stable month for air travel between Baton Rouge Metropolitan Airport (BTR) and Seattle-Tacoma International Airport (SEA) with fewer major storms than winter, but late-summer thunderstorms around the Gulf can occasionally affect departures. In the Pacific Northwest, early fall can bring light rain and low clouds that might cause minor delays; allow buffer time when connecting and consider morning flights to reduce delay risk.
Baton Rouge Metropolitan Airport (BTR) offers rental cars on-site from major national companies, taxis, ride-share services like Uber and Lyft, and hotel shuttles. Driving time to downtown Baton Rouge is typically under 20 minutes depending on traffic, which makes it easy to arrive from local hotels or neighborhood areas like Perkins Road. Book rides in advance on busy September weekends when LSU Jaguars football home games increase demand.
Arriving at Seattle-Tacoma International Airport (SEA) in September offers comfortable weather and access to top Puget Sound destinations like downtown Seattle, Bellevue, and Tacoma. The Link Light Rail provides a direct, affordable route to the city center, while ride-shares and rental cars make exploring nearby attractions simple. September often hosts music festivals like Bumbershoot and active sports schedules, so check event calendars to avoid peak arrival congestion. For onward travel to Vancouver BC or Portland, SEA maintains frequent regional flights—book connecting legs in advance and use public transit for efficient transfers. Need ideas for a September weekend in Seattle? Visit Pike Place Market, the Space Needle, and waterfront parks for crisp fall views.
Arriving at Seattle (SEA) FAQs
Seattle-Tacoma International Airport (SEA) has multiple convenient options to reach downtown Seattle in September: the Link Light Rail offers frequent service and typically takes around 35-45 minutes, ride-shares and taxis take approximately 20-35 minutes depending on traffic, and rental cars are available on-site. September usually has mild traffic and pleasant walking weather, so use the Link Light Rail for a stress-free, affordable transfer.
From Seattle-Tacoma International Airport (SEA), travelers can easily access downtown Seattle attractions such as Pike Place Market, the Space Needle, and the Seattle Waterfront. September is ideal for outdoor visits to nearby destinations like Bellevue, Tacoma, and the Olympic Peninsula for early fall hikes. Check for seasonal events like Bumbershoot and Mariners games when planning your itinerary.
Seattle-Tacoma International Airport (SEA) offers baggage services and limited luggage storage options through third-party vendors in the airport or nearby providers in downtown Seattle. If you plan a multi-day stay or a short stopover to explore Bellevue or Tacoma, consider using airport or city storage services and confirm hours in advance since availability can vary during festival weekends in September.
September at Seattle-Tacoma International Airport (SEA) tends to be mild with cool mornings and comfortable afternoons, and generally lower rainfall than the later fall months. Tourist foot traffic decreases slightly after summer, but popular weekend events like music festivals or NFL games can increase crowds; plan for potential waits at ground transport and check event schedules for downtown Seattle, Bellevue, and Tacoma.
Yes, Seattle-Tacoma International Airport (SEA) is a major gateway to the Pacific Northwest, offering frequent flights to Portland, Vancouver BC, Anchorage, Spokane, and smaller regional airports for easy access to national parks and ski areas. In September, regional travel is smooth for outdoor activities and early fall sightseeing, but always check seasonal schedules for smaller carriers.
As of September travel planning, most domestic travel into Seattle-Tacoma International Airport (SEA) does not require COVID-19 tests or quarantine, but travelers should verify airline and local public health guidance prior to departure. For international connections via SEA, check U.S. Customs and Border Protection and country-specific entry requirements. Carry vaccination proof if required and confirm rules before booking.
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September Events and Festivals — Baton Rouge Metropolitan Area (BTR) and Seattle-Tacoma (SEA)
September features several events that can impact travel when flying between Baton Rouge Metropolitan Airport (BTR) and Seattle-Tacoma International Airport (SEA). In Baton Rouge, LSU Tigers football home games increase local demand for flights, hotels, and airport parking on game weekends; book early if traveling around a home game. In Seattle, Bumbershoot music and arts festival often takes place around Labor Day weekend and can cause higher lodging demand downtown. Major-league sports like Seattle Mariners baseball and the beginning of the NFL season for the Seahawks may also increase visitor counts for mid-September weekends. Plan your trip by checking event calendars for Baton Rouge, New Orleans, Seattle, Bellevue, and Tacoma and adjust booking timing to avoid spikes in fares and limited availability.
Best Time to Fly BTR to SEA — September Travel Window and Timing Tips
For September travel from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA), midweek departures (Tuesday to Thursday) and early morning flights are generally the best bets for combining lower fares with higher reliability. Flying midweek avoids weekend leisure demand and LSU home game spikes that can increase local travel around Baton Rouge. Morning departures reduce the risk of cascading delays from earlier flight disruptions. If price is your priority, search flexible-date calendars 3 to 8 weeks out and be open to one-stop routings via ATL, DFW, or IAH to secure better deals.
Direct vs Connecting Flights from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA)
Direct flights from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) are uncommon; most travelers take one-stop itineraries through hubs such as Atlanta (ATL), Dallas-Fort Worth (DFW), or Houston (IAH). The advantage of a connecting flight is greater schedule availability and often lower fares, while a nonstop (if available from a nearby larger airport) reduces total travel time and eliminates the risk of missed connections. For September travel, choose morning connections with a comfortable layover (at least 60–90 minutes for domestic transfers) to strike the right balance between speed and reliability. Consider routing through your preferred carrier's hub to keep all legs on one ticket and simplify rebookings in case of disruption.
Airline Comparison for BTR to SEA in September — Delta, American, United, and Alaska Options
Delta, American, and United are the most common providers for a Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) itinerary in September. Delta often connects through Atlanta (ATL), offering many daily flights and strong on-time performance. American routes frequently route via Dallas-Fort Worth (DFW) or Charlotte (CLT), providing good connections and competitive fares. United typically connects via Houston (IAH) or continental hubs and can be convenient for MileagePlus members. Alaska Airlines dominates Seattle-originating flights and may feature on the last leg when partners provide the BTR connection. When choosing, compare total travel time, layover airports, loyalty status benefits, and baggage fees. If you value Seattle-based service and frequent connections from SEA onward, routing that includes Alaska Airlines for the SEA segment could be advantageous.
Seasonal Travel Tips for September — BTR to SEA Route
Pack for contrast: depart from humid, warm Baton Rouge Metropolitan Airport (BTR) with light, breathable clothing, and bring layered options for cooler, potentially drizzly Seattle-Tacoma International Airport (SEA). Include a lightweight waterproof jacket, sweater, and comfortable walking shoes for exploring Seattle neighborhoods like Capitol Hill or waterfront areas in September. To minimize disruption, book morning flights, allow extra time during LSU home weekends, and keep connections on the same ticket to simplify rebooking if delays occur. Use mobile boarding passes and sign up for airline notifications to stay informed about schedule changes. If you plan to explore beyond Seattle, reserve car rentals early and check regional ferry and train schedules for travel to Bainbridge Island, Tacoma, or the Olympic Peninsula.
Flight Time and Schedules: Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) — September
Actual flight time between the Baton Rouge and Seattle regions is roughly 5 to 5.5 hours in the air, but most September itineraries from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) include one connection, making total door-to-door travel typically 7 to 10 hours. Frequent connection hubs include Atlanta (ATL), Dallas-Fort Worth (DFW), and Houston (IAH). For the most reliable schedules, choose early morning departures out of BTR to arrive in SEA earlier in the day; this reduces the chance that delays at the origin will cascade into missed connections. Always verify specific airline schedules and layover times before booking, and sign up for alerts to track any timing changes for your September trip.
Cheap Flights from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) in September
To find cheap flights from Baton Rouge Metropolitan Airport (BTR) to Seattle-Tacoma International Airport (SEA) for September travel, start searching 3 to 8 weeks ahead for domestic itineraries. Use flexible-date tools to compare midweek departures—Tuesdays and Wednesdays often show lower fares. Consider one-stop routes via Atlanta, Dallas-Fort Worth, or Houston to unlock significant savings compared to last-minute itineraries. Sign up for fare alerts from flight comparison sites and enable email notifications for price drops on BTR to SEA routes. If your schedule allows, compare nearby departure airports like New Orleans for potential nonstop options and lower fares. Ready to save? Set alerts and compare airlines now to lock in September deals.