✈️ Flight Guide: Houston (IAH) → Seattle (SEA)

May brings spring festivals that can impact IAH to SEA travel patterns. In Seattle, parts of the Seattle International Film Festival and outdoor concert series can raise weekend demand at Seattle-Tacoma International Airport (SEA). In Houston, May events such as local music festivals, sports events, and university graduations can increase departures from George Bush Intercontinental Airport (IAH). If your May trip aligns with major events, book flights and hotels early and consider adjusting arrival/departure days to avoid peak traffic. CTA: Check event calendars in Houston and Seattle before booking IAH to SEA flights for May.

The best time to fly from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) in May is midweek (Tuesday–Wednesday) and early in the morning or late evening to secure lower fares and less crowded flights. Book roughly 3–6 weeks in advance for optimal pricing, or watch for last-minute sales if you can be flexible. May generally avoids peak summer tourist congestion while offering pleasant spring weather in Seattle; this combination makes late May weekdays especially attractive. CTA: Check fares now and choose midweek May dates to maximize savings and comfort.

Nonstop flights from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) are best when you value travel time and convenience; they typically take around 4.5 hours. Connecting flights can be cheaper but increase total travel time and the risk of missed connections, especially during busy May travel weekends. If you prioritize cost, a single-leg connection through a hub like Denver or Chicago may lower fares, but factor in a longer layover buffer. For business travelers or tight itineraries, choose nonstop IAH to SEA flights where possible. CTA: Compare nonstop and one-stop options for your May trip and select the right balance of price and time.

United Airlines commonly offers multiple daily nonstop flights from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) with broad connectivity and frequent flyer benefits. Alaska Airlines may provide competitive fares and strong West Coast service, often with good reliability and lounge access on certain fare classes. Low-cost carriers, when available on this route in May, can offer lower base fares but may charge extra for baggage and seat selection—compare total trip cost before booking. Consider loyalty benefits, seat comfort, and on-time performance when selecting a carrier for your IAH to SEA itinerary. CTA: Compare airlines and book based on total price and service features for your May travel.

Pack layers for May travel between George Bush Intercontinental Airport (IAH) and Seattle-Tacoma International Airport (SEA): Houston is typically warm, while Seattle can be cool and rainy in spring. Arrive 90–120 minutes before domestic flights from IAH and verify TSA PreCheck status for faster security lines. For luggage, check airline policies and prepay for checked bags if cheaper; low-cost carriers often separate bag fees from base fares. Use fare alerts and flexible-date searches to find cheap flights in May, and book early for weekend travel during local festivals. CTA: Prepare your May itinerary now—book flights, reserve parking at IAH, and pre-purchase transit passes for SEA to simplify arrival.

Nonstop flights between George Bush Intercontinental Airport (IAH) and Seattle-Tacoma International Airport (SEA) typically clock in at roughly 4 hours and 30–50 minutes. Daily frequencies increase on peak travel days—Thursdays and Sundays—while midweek offerings may be fewer but cheaper. In May, airlines sometimes add seasonal frequencies to match spring demand, so check airline timetables and book early for preferred times. For connecting itineraries, typical one-stop durations range from 6.5 to 10+ hours depending on layover length. CTA: View live IAH to SEA schedules for May and choose the best flight time for your itinerary.

To find cheap flights from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) in May, prioritize flexible-date searches and set price alerts on aggregator sites. Look for midweek departures (Tuesday–Wednesday) where fares often dip; consider early-morning or late-night flights for the lowest rates. Compare round-trip vs. one-way pricing and check competing airports (e.g., Dallas or Austin) if flexible on departure city to find additional savings. Use LSI keywords like "IAH to SEA fare deals," "Houston to Seattle cheap tickets," and "May spring travel discounts" when searching. CTA: Start a fare alert today to catch May sales and secure the best IAH to SEA price.