Submit feedbackComplete travel information for your January journey
A nonstop flight from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) typically takes about 4 hours 45 minutes to 5 hours depending on winds and routing. In January, winter headwinds or tailwinds can modify block time slightly, so always check the airline schedule and real-time flight status before you travel.
For January travel, the cheapest days to fly from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) are often midweek—Tuesdays and Wednesdays—especially the second and third weeks of January after the New Year holiday rush. Book 3–8 weeks in advance and use fare alerts to capture price dips for 'ATL to SEA flights January'.
Delta Air Lines frequently operates nonstop flights between Hartsfield-Jackson Atlanta International Airport (ATL) and Seattle-Tacoma International Airport (SEA) given Delta's large hub at ATL. In January, also compare competitive fares and schedules from other carriers offering one-stop options, such as Alaska Airlines via partner routings.
Hartsfield-Jackson Atlanta International Airport (ATL) offers multiple parking options including hourly, daily, and economy lots with MARTA rail access to the Domestic Terminal. In January, expect lighter parking demand compared to holiday peaks but allow extra time for MARTA or traffic during major events in Atlanta; reserve airport parking in advance to save on costs.
TSA security procedures at Hartsfield-Jackson Atlanta International Airport (ATL) remain standard year-round, but in January travelers should add time for lines during holiday carryover and MLK Day weekend events. Check TSA PreCheck and CLEAR options to speed screening, and monitor airline alerts for weather-related delays impacting ATL to SEA itineraries.
Hartsfield-Jackson Atlanta International Airport (ATL) serves Atlanta and surrounding communities like Decatur and Marietta, and is a gateway for travelers heading to destinations such as Orlando, New York City, Miami, Los Angeles, and Seattle. Use ATL as a connection hub for domestic and international flights and check routing options when booking 'flights from Atlanta to Seattle'.
January in Seattle-Tacoma International Airport (SEA) area is typically cool and rainy with daytime highs in the mid-40s°F (about 7°C) and frequent showers. Bring waterproof outerwear, closed shoes, and dress in layers; expect wet sidewalks and use covered walkways at the airport when possible.
From Seattle-Tacoma International Airport (SEA), take the Link light rail to downtown Seattle for a convenient, budget-friendly option; rides take about 35–40 minutes. Taxis and ride-hailing services are readily available curbside, and rental cars are accessible via the airport rental facility for travelers heading to suburbs like Bellevue or Tacoma.
As of January, standard arrival procedures at Seattle-Tacoma International Airport (SEA) follow TSA and CDC guidance; there are no routine COVID-19 testing requirements for domestic arrivals, but travelers should check current federal and airline advisories prior to travel. Expect normal immigration and baggage processing times for domestic flights from Hartsfield-Jackson Atlanta International Airport (ATL).
January travel between Hartsfield-Jackson Atlanta International Airport (ATL) and Seattle-Tacoma International Airport (SEA) can coincide with several events. In Atlanta, Martin Luther King Jr. Day commemorations and cultural events draw visitors around the city, potentially increasing airport and local traffic. In the Seattle region, January often features the Seattle Boat Show, winter restaurant promotions, and community MLK Day events. Check event calendars before booking, as hotel and flight prices can spike during major local gatherings.
The best time to fly from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) in January is mid-January through late January after the New Year's holiday rush. Book 3–6 weeks in advance for good fares and choose Tuesday or Wednesday departures to find lower prices. Early morning flights often have fewer weather-related cancellations, and late-night options can be less expensive but verify schedules if you need daytime arrival.
Nonstop flights from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) are faster and reduce the risk of missed connections—Delta usually offers these direct services. Connecting itineraries can be cheaper and open more schedule options, typically routing through Los Angeles (LAX), San Francisco (SFO), or Denver (DEN). In January, choose nonstop for reliability in winter weather; choose connecting flights if you prioritize savings and have ample layover time.
Delta Air Lines typically offers the most nonstop frequencies from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA), with strong on-time performance and hub connectivity. Alaska Airlines provides robust Seattle-area service and competitive fares on connecting itineraries. American and United may offer one-stop fares via their hubs. Compare total trip time, baggage fees, seat selection, and loyalty benefits before booking to find the best value for January travel.
Traveling in January between Hartsfield-Jackson Atlanta International Airport (ATL) and Seattle-Tacoma International Airport (SEA) requires planning for winter weather and shorter daylight. For Seattle arrival, pack waterproof shoes and a mid-layer; for Atlanta departure, bring a warm coat in case of cold mornings. Allow extra connection time, enroll in TSA PreCheck to speed security at ATL, and monitor weather forecasts for both cities. Use mobile boarding passes and download airline apps for real-time delay alerts.
Nonstop flights between Hartsfield-Jackson Atlanta International Airport (ATL) and Seattle-Tacoma International Airport (SEA) usually take about 4 hours 45 minutes to 5 hours. Seattle is three hours behind Atlanta in January (EST to PST), so a noon departure from ATL typically arrives in SEA mid-afternoon local time. There are multiple daily departures on major carriers—especially Delta—plus one-stop options through hubs like Los Angeles (LAX), San Francisco (SFO), and Denver (DEN). Check airline schedules for exact times and factor in potential winter weather adjustments.
To secure cheap flights from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) in January, set fare alerts on multiple platforms and search flexible dates—midweek travel usually yields lower prices. Use primary keywords like 'ATL to SEA flights January' and secondary terms such as 'cheap Atlanta to Seattle' when searching. Consider one-stop itineraries via West Coast hubs (SFO, LAX) if nonstop Delta fares are high. Sign up for airline newsletters from Delta and Alaska Airlines, check flash sales, and book 3–6 weeks in advance for the best blend of price and seat availability.
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Seattle-Tacoma International Airport (SEA) is the gateway to Seattle, as well as nearby cities such as Bellevue, Tacoma, Everett, and popular destinations like Mount Rainier and the San Juan Islands. Travelers arriving from Hartsfield-Jackson Atlanta International Airport (ATL) can easily connect to regional flights or ground transport to explore the Pacific Northwest.
January can bring weather-related delays into Seattle-Tacoma International Airport (SEA), mainly from rain and occasional winter storms. While Seattle gets fewer snow delays than inland airports, allow extra connection time and monitor your flight status for updates from your carrier when flying from Hartsfield-Jackson Atlanta International Airport (ATL).
