Other Destinations
Seattle (SEA) to Philadelphia (PHL) in January from $97
From $97
Seattle (SEA) to Atlanta (Any) in January from $135
From $135
Seattle (SEA) to Las Vegas (LAS) in January from $218
From $218
Seattle (SEA) to San Jose (SJC) in January from $236
From $236
Seattle (SEA) to Phoenix (PHX) in January from $375
From $375
Seattle (SEA) to Beaumont (BPT) in January from $454
From $454
Flights from Other Cities
San Juan (SJU) to Houston (IAH) in January from $59
From $59
Atlanta (ATL) to Houston (IAH) in January from $63
From $63
Cincinnati (Any) to Houston (IAH) in January from $107
From $107
Ontario (ONT) to Houston (IAH) in January from $117
From $117
Cancun (CUN) to Houston (IAH) in January from $137
From $137
Las Vegas (Any) to Houston (IAH) in January from $137
From $137
✈️ Flight Guide: Seattle (SEA) → Houston (IAH)
Complete travel information for your January journey
January travel from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) requires planning for occasional Pacific Northwest storms, variable ground transport times, and post-holiday fare drops. Link Light Rail provides a reliable downtown connection; reserve parking early at the Main Garage or Pod Parking to lock in lower rates. For cheap flights from Seattle to Houston in January, set fare alerts and compare Alaska and United nonstop schedules, and consider mid-week departures for the lowest fares. CTA: Book cheap flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) now and sign up for fare alerts to lock in January discounts.
Departing from Seattle (SEA) FAQs
In January, the most reliable ways to reach Seattle-Tacoma International Airport (SEA) are Link Light Rail from downtown Seattle, airport shuttles, rideshare services, or driving with on-site parking. Winter weather can slow ground transportation, so allow extra time for ice or occasional snow and check real-time traffic and transit updates before leaving. Book airport parking or a shuttle in advance for the best rates and availability.
For domestic flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH), arrive at least 2 hours before departure; during January peak travel days around holidays or winter weather delays, 2.5–3 hours is safer. Allow extra time for coat checks, winter layers, and possible security line increases. Check TSA PreCheck status to reduce wait times and monitor SEA airport advisories on your travel day.
Flights from Seattle-Tacoma International Airport (SEA) can be affected by winter weather, though Seattle sees less heavy snow than other regions. In January, watch for cancellations or delays caused by Pacific Northwest storms or inbound aircraft disruptions; airlines often rebook passengers automatically, but confirm your flight status and sign up for airline text alerts. Purchasing travel insurance or flexible fares provides additional protection against last-minute changes.
Seattle-Tacoma International Airport (SEA) offers on-site options including the Main Garage (short-term and long-term), Pod Parking, and off-site economy lots with shuttle service. In January, demand can drop after the holiday rush, which sometimes means better availability and occasional promotional rates; reserve parking online to secure lower rates. Consider reserving a spot in advance during Seahawks or winter event weekends to avoid price spikes.
Major carriers typically offer nonstop service between Seattle-Tacoma International Airport (SEA) and George Bush Intercontinental Airport (IAH) year-round, including United Airlines and Alaska Airlines depending on schedule. In January, schedules can be reduced post-holiday, so verify current nonstop options on airline websites or search engines before booking. Use fare alerts to catch discounted nonstop fares for the Seattle to Houston route.
From Seattle-Tacoma International Airport (SEA) you can easily connect to nearby major destinations like Bellevue, Tacoma, Everett, Portland, Vancouver (BC), Bellingham, and Spokane. SEA is a gateway for Pacific Northwest travel and offers connections and regional flights that make it easy to plan multi-city itineraries. For January travel, check weather and schedule advisories for connecting airports, especially in mountain or inland regions.
January arrivals at George Bush Intercontinental Airport (IAH) benefit from generally milder weather and lower holiday traffic, making it an ideal month for business travel or off-season leisure. Ground transport options include taxis, rideshares, shared shuttles, and METRO connections; estimate 25–45 minutes to downtown Houston depending on traffic. If you're connecting further to Sugar Land, The Woodlands, Galveston, Austin or San Antonio, reserve ground transport or rental cars ahead to capture the best January rates. CTA: Book your arrival transfer or rental car at George Bush Intercontinental Airport (IAH) now to secure January discounts and ensure a smooth trip into Houston.
Arriving at Houston (IAH) FAQs
Arriving at George Bush Intercontinental Airport (IAH) in January is typically smooth, with milder winter conditions than northern hubs, though occasional cold fronts or fog can affect local roads. Expect efficient immigration and baggage handling for domestic arrivals, but check for airline-specific baggage policies and pick-up procedures. If you need onward ground transportation, pre-book rideshares or airport shuttles during early morning or late-night arrivals to ensure availability.
Travel time from George Bush Intercontinental Airport (IAH) to downtown Houston typically ranges from 25 to 45 minutes by car, depending on traffic; in January, congestion is usually lighter than during summer months. Rideshare and taxi services are available curbside, and METRO Bus/East Loop connections can be economical options. Always check real-time traffic and construction updates, especially during weekday peak hours.
January at George Bush Intercontinental Airport (IAH) is generally quieter after the holiday season, but the airport can host trade shows or sports team arrivals that temporarily increase passenger volumes. Check the Houston Airport System advisories and airline notifications before travel for any scheduled runway maintenance or event-related traffic. If you have time-sensitive connections, build a buffer and confirm arrival procedures in advance.
From George Bush Intercontinental Airport (IAH) travelers often connect to nearby destinations such as downtown Houston, Sugar Land, The Woodlands, Galveston, Austin, San Antonio, and Corpus Christi. IAH is a major hub for central and southern Texas travel, plus gateway connections to Louisiana and the Gulf Coast. For January travel to beaches like Galveston, pack layers for cooler mornings and check ferry or road schedules.
January often offers lower rental car rates at George Bush Intercontinental Airport (IAH) because demand dips after the holidays; comparing aggregator sites and booking in advance can secure strong deals. Look for mobile coupons, corporate discounts, or credit-card benefits that include rental coverage. Remember to check for winter driving advisories if planning day trips to outlying areas during cold snaps.
IAH maintains standard health and safety procedures year-round, including enhanced cleaning of high-touch areas and touchless kiosks where available; policies can adjust seasonally, so check the Houston Airport System website for current guidance. Wear comfortable layers for winter travel, and if you have health concerns, allow extra time for any screening or documentation checks. Consider contactless payment and digital boarding passes to speed your arrival experience.
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January Events & Festivals Near SEA and IAH — Travel Around Seattle and Houston
In January, Seattle hosts cultural events like winter film festivals and museum exhibitions that can increase inbound traffic to Seattle-Tacoma International Airport (SEA). Houston's convention calendar may include trade shows or industry conferences that elevate arrivals at George Bush Intercontinental Airport (IAH). Check local event calendars and hotel availability when booking January flights, and consider shifting travel dates slightly to avoid peak convention weekends. CTA: Review January event schedules in Seattle and Houston before booking your flight from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH).
Best Time to Fly SEA → IAH in January — Seasonal Tips & Cost Savings
For January travel, the best times to fly from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) are mid-week mornings for convenience and mid-week nights for the cheapest fares. Avoid returning on Sunday evenings when fares and traffic can spike. If you want the most reliable schedule resilience, choose first flights out of SEA to minimize knock-on delays caused by aircraft running late from earlier sectors. CTA: Compare mid-week and weekend prices now to find the best January flight for Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH).
Direct vs Connecting Flights: Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH)
Nonstop flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) save time and reduce the risk of missed connections, making them ideal for tight January itineraries. Connecting flights, often routed through West Coast or Midwest hubs, can be cheaper but increase total travel time and the risk of weather-related disruptions. If cost is the priority and you have flexible timing, choose connecting options and build at least a 90–120 minute connection buffer in January. CTA: Search nonstop and connecting options for your January trip from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) to compare prices and durations.
Airline Comparison: United vs Alaska vs Others on SEA → IAH in January
United Airlines often provides multiple daily nonstop options between Seattle-Tacoma International Airport (SEA) and George Bush Intercontinental Airport (IAH), with extensive connecting networks at IAH. Alaska Airlines may offer competitive nonstop schedules and frequent flyer benefits on West Coast routes with partnerships that extend to Texas. Compare ticket classes, checked bag allowances, and onboard amenities: United may offer more business-class frequency while Alaska often provides strong regional service and customer satisfaction. For January travel, check seasonal promotions and loyalty benefit availability when choosing your carrier. CTA: Compare carrier prices and perks for January flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) and pick the best option for your needs.
Seasonal Travel Tips for January — SEA to IAH Weather, Packing, and Disruption Strategies
Pack layers for Seattle’s cool, wet January mornings and lighter clothing for Houston’s milder winter days; include a compact umbrella and a light waterproof jacket for Pacific Northwest conditions. Allow extra time for ground transport in Seattle if storms are forecast, and keep digital copies of itineraries and travel insurance documents. If disruption occurs, contact your airline immediately for rebooking and use carrier apps to manage claims and notifications. CTA: Prepare for January travel from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) by checking forecasts and confirming flexible booking options before you go.
Flight Time & Schedules: SEA to IAH in January
Nonstop flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) typically fly 4 hours 15 minutes to 4 hours 40 minutes, depending on routing and prevailing winds in January. Morning flight windows (6–10 AM) are popular for business travelers, while late-evening departures may offer lower fares. Connecting flights via West Coast or Midwest hubs can add 2–4+ hours; always check minimum connection times and seasonal schedule changes in January. CTA: Check current January schedules for Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) and book your preferred departure window.
Cheap Flights SEA to IAH in January — Deals, Timing, and Booking Tips
To secure cheap flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) in January, aim to book 3–8 weeks out and consider mid-week departures on Tuesdays or Wednesdays. Use fare comparison tools like Google Flights, Skyscanner, and Kayak, and enable price alerts for both nonstop and connecting options. Consider refundable or flexible fares if your January travel dates are tentative due to potential winter weather. CTA: Start a fare alert now for Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) and track price drops for January travel.