
Popular airlines from Seattle-Tacoma International Airport (SEA) to Tribhuvan Intl. Airport (KTM)
- Emirates
Emirates
- Qatar Airways
Qatar Airways
- Cathay Pacific
Cathay Pacific
- Singapore Airlines
Singapore Airlines
- Turkish Airlines
Turkish Airlines
- KLM
KLM
- Malaysia Airlines
Malaysia Airlines
- Plan, book, fly with confidence
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Cheap Flights from Seattle (SEA) to Kathmandu (KTM)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.














Find the cheapest month to fly from Seattle (SEA) to Kathmandu (KTM)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Tribhuvan Intl. |
Airlines serving | Cathay Pacific, Emirates, KLM, Qatar Airways, Singapore Airlines, Turkish Airlines |
Return price | AU$1,641 |
Distance | 11146 km |
Your quick guide to flights from Seattle to Kathmandu
Pick up great flights from Seattle to Kathmandu
With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Kathmandu. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Kathmandu that take around hours.
Find cheap flights from Seattle to Kathmandu
From the great flight deals with prices currently ranging from AU$1,642 to AU$7,984, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Kathmandu around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Kathmandu is normally in December.
Reasons to book your flight from Seattle to Kathmandu with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Kathmandu across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Kathmandu right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
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Top Routes from Seattle
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Denpasar (SEA - DPS)
- Seattle to Idaho Falls (SEA - IDA)
- Seattle to Amsterdam (SEA - AMS)
- Seattle to Spokane (SEA - GEG)
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- Seattle to Tokyo (SEA - NRT)
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- Seattle to Aspen (SEA - ASE)
- Seattle to Melbourne (SEA - MEL)
Top Routes to Kathmandu
- Bangkok to Kathmandu (DMK - KTM)
- Bangkok to Kathmandu (BKK - KTM)
- Kuala Lumpur to Kathmandu (KUL - KTM)
- Hobart to Kathmandu (HBA - KTM)
- Darwin to Kathmandu (DRW - KTM)
- Adelaide to Kathmandu (ADL - KTM)
- Cairns to Kathmandu (CNS - KTM)
- Delhi to Kathmandu (DEL - KTM)
- Launceston to Kathmandu (LST - KTM)
- Tokyo to Kathmandu (NRT - KTM)
- Canberra to Kathmandu (CBR - KTM)
- Abu Dhabi to Kathmandu (AUH - KTM)
Top Routes from Seattle
Seattle Paine Field Intl. Airport
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