Cheap flights from Seattle (SEA) to Kathmandu (KTM)

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The best prices from Seattle/Tacoma Intl to Kathmandu Tribhuvan are usually found in August or February, booked 49 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Seattle (SEA) to Kathmandu (KTM)

All the information you need to plan the best SEA to KTM flight in 2021: compare Seattle to Kathmandu flight prices with the expected peak season, weather and rainfall in Kathmandu.
SEA - KTM
Price
$940 - $1,588
KTM
Temperature
50 - 73.4 °F
KTM
Precipitation
0 - 14.6 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

August

Best time to find cheap flights, 22% potential price drop

Round-trip from

$940

From Seattle/Tacoma Intl to Kathmandu Tribhuvan

One-way from

$611

One-way flight from Seattle/Tacoma Intl to Kathmandu Tribhuvan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Kathmandu (SEA - KTM)?

One of the essential ways to save on airfare from Seattle to Kathmandu is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

How far in advance should I book a flight from Seattle to Kathmandu?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 20% on flights from Seattle to Kathmandu compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,301. For sooner than that we have options available in the next 3 days from $1,413.

What is the cheapest month to fly from Seattle to Kathmandu?

August is one of the best times of the year to fly to Kathmandu from Seattle. Prices for August average $1,199 per person but you can even find prices for as low as $886. The most expensive prices can be found in the month of December. Opting for a August flight can save you 32% on your journey compared to booking in August

What is the cheapest day to fly round-trip from Seattle to Kathmandu?

Flights from Seattle to Kathmandu are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Kathmandu.

Cheap flights from Seattle to Kathmandu in November, December 2021

The best prices found for SEA to KTM flights for November, December
5 Dec - 24 Apr
$1,261pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Dec - 24 Apr
$1,271pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
26 Nov - 7 Dec
$1,285pp
SEA
Seattle/Tacoma Intl
Emirates
 
1 STOP
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Kathmandu 2022 flight deals

Cheap flights to Kathmandu from Seattle found for next year
5 Dec - 24 Apr
$1,261pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Dec - 24 Apr
$1,271pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
26 Nov - 7 Dec
$1,285pp
SEA
Seattle/Tacoma Intl
Emirates
 
1 STOP
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Kathmandu

Late deals on round-trip flights to Kathmandu from Seattle, departing today and this week
1 Dec - 13 Dec
$1,457pp
SEA
Seattle/Tacoma Intl
Emirates
 
1 STOP
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Dec - 30 Dec
$1,557pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
1 Dec - 13 Dec
$1,612pp
SEA
Seattle/Tacoma Intl
Emirates
   
2 STOPS
KTM
Kathmandu Tribhuvan
KTM
Kathmandu Tribhuvan
Emirates
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Tribhuvan from Seattle

The cheapest one-way flights from Seattle to Kathmandu
10:35 am - 5:10 pm
Singapore Airlines
3 Stops
64h 50m
SEA - KTM
Singapore Airlines
$611
Travelgenio
11:05 am - 3:50 am
Emirates
1 Stop
27h 00m
SEA - KTM
Emirates
6:28 pm - 7:10 am
Multiple Airlines
3 Stops
46h 57m
SEA - KTM
Multiple Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Kathmandu</span> flights.

Flight FAQs

From Seattle to Kathmandu

Which airlines flying from Seattle/Tacoma Intl to Kathmandu Tribhuvan have flexible cancellations due to COVID-19?

Singapore Airlines, Emirates, and China Eastern are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Kathmandu for under $900 on Cheapflights?

Yes, there are multiple flights from Seattle to Kathmandu for under $900. The cheapest flight booked recently is on Multiple Airlines for just $889, but on average you can expect to pay $998.

Are there last-minute flights available from Seattle to Kathmandu for under $1,500?

There are currently 20+ open flights from Seattle to Kathmandu within the next 7 days for less than $1,500.

How popular is this Seattle to Kathmandu flight route?

Within the past month, 29 users have taken a look at flights from Seattle/Tacoma Intl to Kathmandu Tribhuvan.

What is the cheapest airline to fly from Seattle to Kathmandu round-trip?

Singapore Airlines, at $945, was found to be the cheapest airline from Seattle to Kathmandu.. Singapore Airlines is 21% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Kathmandu one-way?

$555 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on Qatar Airways and Emirates, with prices starting from $700 and $1,046, respectively.

What are the cheapest flights from Seattle to Kathmandu?

Looking at all options, your cheapest flight can be booked for $540. While the most popular route (Seattle/Tacoma Intl - Kathmandu Tribhuvan) can be booked for $846 on average our data indicates $1,088 when flying from Seattle to Kathmandu.

What are the most popular airlines that fly from Seattle to Kathmandu?

Before booking your flight from Seattle to Kathmandu check out the most popular airlines for this route: Cathay Pacific, China Southern or Emirates.

COVID Restrictions

View COVID Travel Restrictions for Kathmandu, Nepal

Do I need a COVID test to fly to Kathmandu from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Kathmandu Tribhuvan

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Kathmandu Tribhuvan.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Kathmandu Tribhuvan.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Kathmandu Tribhuvan.

Documents
Health Declaration Form - Travelers are required to complete a health declaration form before departure to Nepal. Once the form is completed the traveler will receive a barcode that must be saved or printed so it may be presented to immigration on arrival.


Do I need a test to fly back to Seattle from Kathmandu?

Returning to Seattle/Tacoma Intl from Kathmandu Tribhuvan

COVID-19 testing requirements
Visitors from Kathmandu Tribhuvan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Kathmandu Tribhuvan are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Kathmandu, Nepal

Alternative routes for Seattle to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Kathmandu

Things to know before you go - useful duration and weather info for your trip from Seattle to Kathmandu.
Today's exchange rate
$1 = ₨117.66
Average temperature for November in Kathmandu
68.0 °F

Airports servicing Seattle

Airports servicing Kathmandu

Top 8 airlines flying from Seattle/Tacoma Intl to Kathmandu Tribhuvan

The chart below displays the airlines Cheapflights users traveling from Seattle to Kathmandu choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Korean Air
$711 $1,734 No cancel fee 81%
Singapore Airlines
$731 $1,642 No cancel fee 81%
China Eastern
$759 $1,012 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Cathay Pacific
$823 $1,325 No cancel fee 72%
China Southern
$971 $1,300 No cancel fee 69%
Emirates
$1,061 $1,556 No cancel fee 75%
Qatar Airways
$1,136 $1,447 No cancel fee 68%
Thai Airways
$1,326 $2,527 No cancel fee 77%
Home Asia Nepal Kathmandu Cheap flights from Seattle to Kathmandu