Seattle, WA SEA to Bangkok BKK Flights

The earliest flight from Seattle, WA to Bangkok leaves at 12:10 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from Seattle, WA to Bangkok leaves at 11:55 PM.

Flights from Seattle, WA to Bangkok generally leave from Seattle-Tacoma International Airport and arrive in Suvarnabhumi Airport.Seattle-Tacoma International Airport is away from Seattle, WA city centre and Suvarnabhumi Airport is 16 miles (27 km) from Bangkok city centre.

Yes, you can take a flight between Seattle, WA and Bangkok.

For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

Thailand uses the Thai Baht (THB) as its currency. Travelers often find it convenient to use cash for small purchases, markets, and transportation, while cards are widely accepted in hotels, restaurants, and larger stores. Carrying some cash is advisable, but using cards can offer better security and exchange rates in urban areas.

In Bangkok, travelers should be cautious of common scams such as tuk-tuk drivers offering overly cheap tours that lead to unwanted stops at shops, and gem scams where overpriced or fake jewelry is sold. Pickpocketing and bag snatching can occur in crowded areas and on public transport. It's advisable to use official taxis or ride-hailing apps, avoid accepting unsolicited offers for tours, and stay alert in busy markets and tourist spots.

Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.