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$611+ Cheap flights from Kathmandu (KTM) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Feb 16 — Feb 231
Mon 2/16
Mon 2/23
1 adult, Economy
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Cheap flight deals from Kathmandu to Washington

Keep the following information in mind while searching for Kathmandu to Washington flight deals. Data was last updated January 17, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,120
(Orbitz)

One-way from

$611
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$2,591
Provider with most accurate pricing for Kathmandu Tribhuvan-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seattle/Tacoma Intl flights.
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From Kathmandu Tribhuvan to Washington
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One-way flight from Kathmandu Tribhuvan to Washington
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Highest demand for flights based on searches. 8% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Kathmandu to Washington

Cheapest flights from Kathmandu to Washington
Explore the most affordable flight options available from Kathmandu to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2026.

This Orbitz deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2710:55 pm
KTM
-
SEA
2 stops34h 06m
Multiple Airlines
Sun 7/267:20 pm
SEA
-
KTM
2 stops37h 40m
Multiple Airlines
Deal found 1/14$1,120
This Mytrip deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2610:55 pm
KTM
-
SEA
2 stops34h 06m
Multiple Airlines
Tue 7/143:00 pm
SEA
-
KTM
2 stops42h 00m
Multiple Airlines
Deal found 1/15$1,189
This Korean Air deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/277:20 pm
KTM
-
SEA
1 stop27h 25m
Korean Air
Sun 7/261:20 pm
SEA
-
KTM
1 stop38h 45m
Korean Air
Deal found 1/15$1,190
This FlightHub deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2610:55 pm
KTM
-
SEA
2 stops33h 00m
Multiple Airlines
Fri 7/32:10 am
SEA
-
KTM
2 stops30h 50m
Multiple Airlines
Deal found 1/15$1,196
This SmartFares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:00 pm
KTM
-
SEA
2 stops33h 15m
Multiple Airlines
Thu 7/21:10 am
SEA
-
KTM
2 stops31h 50m
Multiple Airlines
Deal found 1/14$1,205
This Mytrip deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2110:55 pm
KTM
-
SEA
2 stops34h 06m
Multiple Airlines
Fri 7/37:20 pm
SEA
-
KTM
2 stops37h 40m
Multiple Airlines
Deal found 1/15$1,211
This Singapore Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1311:00 pm
KTM
-
SEA
1 stop21h 55m
Singapore Airlines
Fri 8/710:15 am
SEA
-
KTM
1 stop22h 30m
Singapore Airlines
Deal found 1/15$1,213
This Justfly.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:50 pm
KTM
-
SEA
1 stop22h 40m
Singapore Airlines
Sat 11/148:45 am
SEA
-
KTM
1 stop47h 10m
Singapore Airlines
Deal found 1/14$1,222
This FlightHub deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1311:00 pm
KTM
-
SEA
1 stop21h 55m
Singapore Airlines
Sat 8/810:15 am
SEA
-
KTM
1 stop46h 30m
Singapore Airlines
Deal found 1/15$1,225
This FlightHub deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:50 pm
KTM
-
SEA
1 stop46h 40m
Singapore Airlines
Fri 7/310:15 am
SEA
-
KTM
1 stop22h 30m
Singapore Airlines
Deal found 1/14$1,228
This Trip.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 pm
KTM
-
GEG
2 stops32h 54m
Multiple Airlines
Wed 5/203:10 pm
GEG
-
KTM
2 stops41h 35m
Multiple Airlines
Deal found 1/15$1,489
This KAYAK deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:30 am
KTM
-
GEG
2 stops26h 46m
Multiple Airlines
Tue 5/193:10 pm
GEG
-
KTM
2 stops26h 10m
Multiple Airlines
Deal found 1/14$1,618

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington that are best for you.

Fly from

Kathmandu

Fly to

Washington

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 1/27

7:20 pm-9:00 am

1 stop27h 25m

Seattle/Tacoma Intl

Sun 7/26

1:20 pm-4:50 pm

1 stop38h 45m

$1,190

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/13

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Sun 8/9

10:15 am-9:30 pm

1 stop22h 30m

$1,213

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/13

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Fri 8/7

10:15 am-9:30 pm

1 stop22h 30m

$1,213

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/13

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Sat 8/8

10:15 am-9:30 pm

1 stop46h 30m

$1,225

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 6/4

10:50 pm-8:45 am

1 stop22h 40m

Seattle/Tacoma Intl

Fri 7/3

10:15 am-9:30 pm

1 stop22h 30m

$1,252

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/1

7:05 pm-11:40 am

1 stop30h 20m

Seattle/Tacoma Intl

Fri 7/31

4:25 pm-8:50 am

1 stop27h 40m

$1,258

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/1

10:55 pm-6:10 pm

2 stops33h 00m

Seattle/Tacoma Intl

Thu 7/30

2:10 am-9:45 pm

2 stops30h 50m

$1,258

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 6/5

11:00 pm-7:00 pm

2 stops32h 45m

Seattle/Tacoma Intl

Thu 7/2

1:10 am-9:45 pm

2 stops31h 50m

$1,259

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 6/5

10:50 pm-8:45 am

1 stop46h 40m

Seattle/Tacoma Intl

Fri 7/3

10:15 am-9:30 pm

1 stop22h 30m

$1,288

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 3/2

2:55 pm-11:40 am

3 stops34h 30m

Seattle/Tacoma Intl

Mon 3/9

5:05 pm-5:50 pm

1 stop36h 00m

$1,303

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 23 results
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Best time to book a flight from Kathmandu to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Washington
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated January 17, 2026.
Read reviews from past customers who have flown Korean Air, Emirates, and Singapore Airlines from Kathmandu to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,187 reviews

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,187 reviews
Korean Air
8.4
Very good
1,187 reviews

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Emirates
8.1
Very good
3,469 reviews
Korean Air
8.4
Very good
1,187 reviews

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Singapore Airlines
8.1
Very good
1,431 reviews
Korean Air
8.4
Very good
1,187 reviews

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,180 reviews
Korean Air
8.4
Very good
1,187 reviews

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kathmandu to Washington?

    For a flight from Kathmandu to Washington, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city.

  • How long is the flight from Kathmandu to State of Washington?

    A quick flight from Kathmandu to State of Washington can take about 21h 55m. Korean Air provides one of the quickest options available for as low as $1,213. The distance between Kathmandu and State of Washington is about 6962 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kathmandu to State of Washington one-way?

    One-way options have recently been found by users for as low as $563 on Turkish Airlines. Other airlines that offer cheap prices include Singapore Airlines from $572 and Qatar Airways from $733 one-way.

  • What are the most popular routes from Kathmandu to State of Washington?

    Most travelers choose Kathmandu Tribhuvan - Seattle/Tacoma Intl, Kathmandu Tribhuvan - Spokane or Kathmandu Tribhuvan - Portland when deciding on the best route from Kathmandu to State of Washington.

  • Can I find deals for flights from Kathmandu to Washington that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Washington.

  • Can I find deals for business class flights from Kathmandu to Washington?

    Yes. Cheapflights offers flight deals from Kathmandu to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 4 airlines flying from Kathmandu to Washington

Discover the top 4 airlines that operate flights from Kathmandu to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$941Average$1,455FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$1,102Average$1,462FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$1,191Average$1,281FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$1,717Average$1,744FlexibilityNo cancel feeOn-time75%

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