$544+ Cheap flights from Kathmandu (KTM) to Seattle (SEA)
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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Apr 4 — Apr 111
Round-trip
1 adult, Economy
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Find cheap flights from Kathmandu to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kathmandu to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kathmandu to SeattleExplore the most affordable flight options available from Kathmandu to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.
Explore the most affordable flight options available from Kathmandu to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Thu 3/195:00 pm
KTM
- SEA
3 stops34h 40m
Multiple Airlines
Thu 9/1010:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,235
This Trip.com deal was found by Cheapflights users on 3/1. 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 4/167:40 am
KTM
- SEA
1 stop22h 20m
Multiple Airlines
Thu 4/2310:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,243
This Gotogate deal was found by Cheapflights users on 3/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:45 pm
KTM
- SEA
2 stops60h 35m
Multiple Airlines
Fri 9/410:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,281
This FlightHub deal was found by Cheapflights users on 3/3. 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 3/231:45 pm
KTM
- SEA
2 stops60h 35m
Multiple Airlines
Thu 4/235:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,343
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 4/244:30 pm
SEA
- KTM
1 stop35h 45m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,406
Best flights from Kathmandu to SeattleDiscover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
Discover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
This Trip.com deal was found by Cheapflights users on 3/1. 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 4/167:40 am
KTM
- SEA
1 stop22h 20m
Multiple Airlines
Thu 4/2310:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,243
This Qatar Airways deal was found by Cheapflights users on 3/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:40 pm
KTM
- SEA
1 stop31h 45m
Qatar Airways
Fri 9/44:25 pm
SEA
- KTM
1 stop28h 40m
Qatar Airways
Deal found 3/2![Qatar Airways logo]()
$1,568
This Gotogate deal was found by Cheapflights users on 3/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/191:45 pm
KTM
- SEA
2 stops60h 35m
Multiple Airlines
Thu 9/1010:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,279
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 4/244:30 pm
SEA
- KTM
1 stop35h 45m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,406
This Qatar Airways deal was found by Cheapflights users on 3/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:10 am
KTM
- SEA
1 stop40h 15m
Qatar Airways
Thu 9/104:25 pm
SEA
- KTM
1 stop28h 40m
Qatar Airways
Deal found 3/2![Qatar Airways logo]()
$1,570
This Qatar Airways deal was found by Cheapflights users on 3/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:55 am
KTM
- SEA
1 stop38h 35m
Qatar Airways
Fri 4/244:30 pm
SEA
- KTM
1 stop35h 45m
Qatar Airways
Deal found 3/3![Qatar Airways logo]()
$1,571
This Gotogate deal was found by Cheapflights users on 3/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:45 pm
KTM
- SEA
2 stops28h 40m
Multiple Airlines
Fri 9/44:25 pm
SEA
- KTM
2 stops30h 25m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,447
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated March 5, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated March 5, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:45 pm
KTM
- SEA
2 stops60h 35m
Multiple Airlines
Fri 9/410:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,281
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Thu 3/195:00 pm
KTM
- SEA
3 stops34h 40m
Multiple Airlines
Thu 9/1010:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,235
This FlightHub deal was found by Cheapflights users on 3/3. 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 3/231:45 pm
KTM
- SEA
2 stops60h 35m
Multiple Airlines
Thu 4/235:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,343
This Trip.com deal was found by Cheapflights users on 3/1. 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 4/167:40 am
KTM
- SEA
1 stop22h 20m
Multiple Airlines
Thu 4/2310:15 am
SEA
- KTM
1 stop22h 30m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$1,243
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 4/244:30 pm
SEA
- KTM
1 stop35h 45m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,406
One-way flights from Kathmandu to SeattleSearch for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:15 pm
KTM
- SEA
3 stops42h 35m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:15 pm
KTM
- SEA
2 stops41h 45m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:15 pm
KTM
- SEA
2 stops42h 35m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:15 pm
KTM
- SEA
2 stops42h 35m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:20 pm
KTM
- SEA
3 stops45h 28m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:20 pm
KTM
- SEA
2 stops41h 34m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:00 pm
KTM
- SEA
2 stops41h 25m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:45 am
KTM
- SEA
3 stops43h 51m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$626
Find flight deals from Kathmandu to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,235 (Mytrip) |
One-way from | $544 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $1,398 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kathmandu to Seattle 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 March 5, 2026.
Use the filters below to find and compare flights from Kathmandu to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 4/16
7:40 am-5:15 pm
1 stop22h 20m
Seattle/Tacoma Intl
Thu 4/23
10:15 am-9:30 pm
1 stop22h 30m
$1,243
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 3/19
1:45 pm-1:35 pm
2 stops60h 35m
Seattle/Tacoma Intl
Thu 9/10
10:15 am-9:30 pm
1 stop22h 30m
$1,279
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 4/17
1:25 pm-1:25 pm
2 stops36h 45m
Seattle/Tacoma Intl
Fri 4/24
4:30 pm-5:00 pm
1 stop35h 45m
$1,406
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 3/18
8:45 pm-12:40 pm
2 stops28h 40m
Seattle/Tacoma Intl
Fri 9/4
4:25 pm-11:35 am
2 stops30h 25m
$1,447
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 3/18
5:40 pm-12:40 pm
1 stop31h 45m
Seattle/Tacoma Intl
Fri 9/4
4:25 pm-9:50 am
1 stop28h 40m
$1,568
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 3/19
9:10 am-12:40 pm
1 stop40h 15m
Seattle/Tacoma Intl
Thu 9/10
4:25 pm-9:50 am
1 stop28h 40m
$1,570
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 4/17
10:55 am-12:45 pm
1 stop38h 35m
Seattle/Tacoma Intl
Fri 4/24
4:30 pm-5:00 pm
1 stop35h 45m
$1,571
Cheapest one-way
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 5/6
2:15 pm-8:05 pm
2 stops42h 35m
$602
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 3/11
3:00 pm-7:40 pm
2 stops41h 25m
$625
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 3/24
12:20 pm-5:09 pm
2 stops41h 34m
$647
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Kathmandu to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Kathmandu-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kathmandu-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kathmandu to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Kathmandu with our price prediction graph.
KTM-SEA
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 Seattle
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 5, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines and Emirates from Kathmandu to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Boarding
8.3
Entertainment
8.0
Food
7.8
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Boarding
8.3
Entertainment
8.0
Food
7.8
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Boarding
8.3
Entertainment
8.0
Food
7.8
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Related info for your journey
Find useful and relevant information for your journey from Kathmandu to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Alternative routes for Kathmandu to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kathmandu to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kathmandu and Seattle flights
Browse other Kathmandu and Seattle flight options. Last updated on March 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 5, 2026.
Top 2 airlines flying from Kathmandu to Seattle
Discover the top 2 airlines that operate flights from Kathmandu to Seattle. 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 March 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,148 | Average$1,373 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,717 | Average$1,744 | FlexibilityNo cancel fee | On-time75% |