$581 Find Cheap Flights from Seattle to Kathmandu - Compare and Save

Two cabin classes are available on flights from Seattle to Kathmandu:

• Economy Class
• Business Class

A nonstop flight from Seattle to Kathmandu takes 00m, covering 6,962 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Seattle to Kathmandu range from $1,060 to $1,464, with an average of $1,240 over the past 12 months. Anything below $1,060 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 30% above the $1,240 route average. Book 26 weeks before departure for the lowest fares.

One-way fares from Seattle to Kathmandu are currently higher than usual. Average one-way flight prices are about $816, which is 11% above the typical average for this route.

Flights from Seattle to Kathmandu usually depart from Seattle/Tacoma Intl (SEA) and arrive at Kathmandu Tribhuvan (KTM).

One-stop flights from Seattle to Kathmandu most commonly connect through:

• Doha Hamad Intl (DOH) - 41% of one-stop connections
• Singapore Changi (SIN) - 34% of one-stop connections
• Hong Kong Intl (HKG) - 13% of one-stop connections
• Istanbul (IST) - 10% of one-stop connections

Yes. Flexible dates can save you up to 19% on flights from Seattle to Kathmandu. Tuesday is the cheapest departure day at $1,094 round-trip on average, while Sunday is the most expensive at $1,343, a difference of $249.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 22h 29m, compared with 24h 18m via Singapore Changi (SIN) and 29h 12m via Dubai Intl (DXB).

Kathmandu is 13 hours ahead of Seattle (Nepal Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

If you have any queries while at the airport, you can approach airport volunteers who are easily identifiable with their blue jackets. They are friendly and will offer whatever information you need concerning airport services. There are also customer services representatives who wear red vests and carry an iPad to help passengers with directions around the airport.

There are nursing rooms in the airport to provide mothers with the quiet and privacy needed to take care of their infants. The rooms are equipped with changing tables, sinks, rocking chairs, and power outlets. One is located inside the Kid's Play Area, at S Gate mezzanine level, Gates A9, C10, N2, D19, D23, and the main terminal at the train station. If you are a member of the military or related to one, you can use the nursing room inside the USO lounge located landside, mezzanine level, on the 2nd floor.

If you wish to relax and unwind a little before leaving the airport, you can take advantage of the airport’s onsite lounges. The executive lounge is located on the 2nd floor of the international terminal, landside. Passengers traveling first or business class can access the Thai Airways Royal silk lounge at the international terminal, landside.

Perhaps you are heavy-laden with bags and need a hand. If so, you would be happy to know that there are trolleys available free of charge at the airport. You will find them on the upper and lower level of arrivals and in the baggage claim area.