$616+ Cheap flights from Dulles Intl (IAD) to Kathmandu (KTM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KTM
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to KathmanduExplore the most affordable flight options available from Dulles Intl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Dulles Intl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Trip.com deal was found by Cheapflights users on 10/21. 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 12/3110:30 am -
2 stops26h 15m
Fri 1/1512:30 am -
2 stops41h 40m
Deal found 10/21![Multiple Airlines logo]()
$1,278
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/244:30 pm -
2 stops40h 35m
Wed 12/98:50 pm -
2 stops28h 25m
Deal found 10/22![Multiple Airlines logo]()
$1,279
This Mytrip deal was found by Cheapflights users on 10/23. 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 10/283:25 pm -
3 stops29h 25m
Mon 11/97:20 am -
2 stops32h 25m
Deal found 10/23![Multiple Airlines logo]()
$1,281
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:30 pm -
1 stop35h 05m
Wed 12/2312:45 pm -
1 stop41h 25m
Deal found 10/22![Turkish Airlines logo]()
$1,287
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Sun 11/2910:30 am -
2 stops26h 15m
Sat 12/267:20 am -
2 stops34h 50m
Deal found 10/24![Multiple Airlines logo]()
$1,293
This Trip.com deal was found by Cheapflights users on 10/24. 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.
Wed 11/255:50 pm -
3 stops50h 00m
Sun 1/107:35 am -
3 stops41h 55m
Deal found 10/24![Multiple Airlines logo]()
$1,296
This Mytrip deal was found by Cheapflights users on 10/24. 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 11/92:25 pm -
3 stops32h 35m
Mon 12/143:05 pm -
2 stops28h 40m
Deal found 10/24![Multiple Airlines logo]()
$1,303
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Sat 11/72:25 pm -
3 stops32h 35m
Tue 12/153:05 pm -
2 stops28h 40m
Deal found 10/23![Multiple Airlines logo]()
$1,305
This Trip.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/32:25 pm -
2 stops42h 40m
Tue 1/195:10 pm -
2 stops26h 35m
Deal found 10/26![Multiple Airlines logo]()
$1,318
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Sun 11/82:25 pm -
3 stops32h 35m
Sun 12/135:10 pm -
2 stops35h 20m
Deal found 10/24![Multiple Airlines logo]()
$1,345
Best flights from Dulles Intl to KathmanduDiscover carefully curated flight deals from Dulles Intl to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Dulles Intl to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/131:30 pm -
1 stop35h 05m
Sat 3/1312:45 pm -
1 stop33h 45m
Deal found 10/25![Turkish Airlines logo]()
$1,326
This Emirates deal was found by Cheapflights users on 10/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/810:35 am -
1 stop35h 00m
Fri 3/129:20 am -
1 stop34h 00m
Deal found 10/25![Emirates logo]()
$1,490
This Qatar Airways deal was found by Cheapflights users on 10/25. 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.
Sat 11/78:05 pm -
1 stop33h 25m
Sun 1/247:00 pm -
1 stop31h 40m
Deal found 10/25![Qatar Airways logo]()
$1,685
This Turkish Airlines deal was found by Cheapflights users on 10/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/41:30 pm -
1 stop35h 05m
Wed 3/312:45 pm -
1 stop41h 25m
Deal found 10/23![Turkish Airlines logo]()
$1,326
This Emirates deal was found by Cheapflights users on 10/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1010:35 am -
1 stop21h 20m
Mon 3/812:30 am -
1 stop42h 50m
Deal found 10/25![Emirates logo]()
$1,490
This Emirates deal was found by Cheapflights users on 10/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/410:35 am -
1 stop40h 40m
Fri 3/57:40 pm -
1 stop23h 40m
Deal found 10/22![Emirates logo]()
$1,540
This Turkish Airlines deal was found by Cheapflights users on 10/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/131:30 pm -
1 stop35h 05m
Sun 3/1412:45 pm -
1 stop41h 25m
Deal found 10/25![Turkish Airlines logo]()
$1,563
This Emirates deal was found by Cheapflights users on 10/21. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/310:35 am -
1 stop21h 20m
Sun 2/77:40 pm -
1 stop23h 40m
Deal found 10/21![Emirates logo]()
$1,547
This Emirates deal was found by Cheapflights users on 10/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/910:35 am -
1 stop26h 10m
Sun 3/147:40 pm -
1 stop23h 20m
Deal found 10/25![Emirates logo]()
$1,547
This Emirates deal was found by Cheapflights users on 10/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/310:35 am -
1 stop26h 10m
Sat 2/273:00 pm -
1 stop28h 20m
Deal found 10/23![Emirates logo]()
$1,547
This Turkish Airlines deal was found by Cheapflights users on 10/24. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:30 pm -
1 stop35h 05m
Mon 5/107:30 am -
1 stop22h 05m
Deal found 10/24![Turkish Airlines logo]()
$1,887
This Emirates deal was found by Cheapflights users on 10/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/410:35 am -
1 stop26h 10m
Sat 3/63:00 pm -
1 stop28h 20m
Deal found 10/22![Emirates logo]()
$1,597
Last-minute flights from Dulles Intl to KathmanduDiscover last-minute flight deals from Dulles Intl to Kathmandu. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Kathmandu. Data last updated October 26, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/23. 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 10/283:25 pm -
3 stops29h 25m
Mon 11/97:20 am -
2 stops32h 25m
Deal found 10/23![Multiple Airlines logo]()
$1,281
This Trip.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/32:25 pm -
2 stops42h 40m
Tue 1/195:10 pm -
2 stops26h 35m
Deal found 10/26![Multiple Airlines logo]()
$1,318
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Sat 11/72:25 pm -
3 stops32h 35m
Tue 12/153:05 pm -
2 stops28h 40m
Deal found 10/23![Multiple Airlines logo]()
$1,305
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Sun 11/82:25 pm -
3 stops32h 35m
Sun 12/135:10 pm -
2 stops35h 20m
Deal found 10/24![Multiple Airlines logo]()
$1,345
This Mytrip deal was found by Cheapflights users on 10/24. 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 11/92:25 pm -
3 stops32h 35m
Mon 12/143:05 pm -
2 stops28h 40m
Deal found 10/24![Multiple Airlines logo]()
$1,303
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/244:30 pm -
2 stops40h 35m
Wed 12/98:50 pm -
2 stops28h 25m
Deal found 10/22![Multiple Airlines logo]()
$1,279
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:30 pm -
1 stop35h 05m
Wed 12/2312:45 pm -
1 stop41h 25m
Deal found 10/22![Turkish Airlines logo]()
$1,287
This Trip.com deal was found by Cheapflights users on 10/24. 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.
Wed 11/255:50 pm -
3 stops50h 00m
Sun 1/107:35 am -
3 stops41h 55m
Deal found 10/24![Multiple Airlines logo]()
$1,296
This oojo deal was found by Cheapflights users on 10/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:20 pm -
1 stop27h 15m
Tue 12/2212:45 pm -
1 stop33h 45m
Deal found 10/21![Turkish Airlines logo]()
$1,347
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Fri 11/272:25 pm -
2 stops29h 25m
Wed 12/237:35 am -
2 stops36h 10m
Deal found 10/22![Multiple Airlines logo]()
$1,355
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Sun 11/2910:30 am -
2 stops26h 15m
Sat 12/267:20 am -
2 stops34h 50m
Deal found 10/24![Multiple Airlines logo]()
$1,293
One-way flights from Dulles Intl to KathmanduSearch for one-way flight options from Dulles Intl to Kathmandu. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Dulles Intl to Kathmandu. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Trip.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/1510:30 am -
2 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sat 1/232:25 pm -
2 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 1/312:25 pm -
2 stops35h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$620
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/115:50 pm -
2 stops29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 2/22:25 pm -
3 stops29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$633
This Trip.com deal was found by Cheapflights users on 10/24. 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 1/710:30 am -
2 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$634
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Sun 1/310:30 am -
2 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 1/222:25 pm -
3 stops31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/2511:35 pm -
3 stops49h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sun 11/111:35 pm -
2 stops28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$651
This Trip.com deal was found by Cheapflights users on 10/25. 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.
Sat 11/78:10 pm -
2 stops37h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$654
Find flight deals from Dulles Intl to Kathmandu
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Kathmandu (KTM). 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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,269 (Turkish Airlines) |
One-way from | $616 (Trip.com) |
Popular in | June |
Cheapest in | August |
Average price | $1,451 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Kathmandu 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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kathmandu that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Sun 1/31
2:25 pm-12:40 pm
2 stops35h 30m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$620
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Wed 11/11
5:50 pm-9:45 am
2 stops29h 10m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$623
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Tue 2/2
2:25 pm-6:35 am
3 stops29h 25m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$633
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Tue 3/16
9:10 pm-12:40 pm
2 stops29h 45m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$647
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Mon 11/2
2:25 pm-8:15 pm
2 stops43h 05m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$670
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Mon 2/8
2:25 pm-9:05 am
3 stops31h 55m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$701
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Thu 11/5
5:50 pm-9:55 am
2 stops29h 20m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$717
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Thu 1/28
6:00 am-10:55 pm
2 stops30h 10m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$719
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Sun 11/1
10:30 am-9:45 am
3 stops36h 30m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$818
Washington, D.C.Kathmandu
IAD Washington, D.C. Dulles Intl - KTM Kathmandu Tribhuvan
IADKTM
Washington, D.C. Dulles Intl
Sat 10/31
6:50 pm-8:45 am
2 stops28h 10m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$852
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Kathmandu
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 Dulles Intl to Kathmandu in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Kathmandu flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kathmandu 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 Washington, D.C. Dulles Intl Airport-Kathmandu 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 Dulles Intl to Kathmandu
Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Dulles Intl with our price prediction graph.
IAD-KTM
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 Washington, D.C. Dulles Intl Airport to Kathmandu
Prices
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How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?
Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kathmandu (average of $1,113). Flying from Washington, D.C. Dulles Intl Airport to Kathmandu in June is currently the most expensive (average of $1,957). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Kathmandu?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Kathmandu flights typically cost between $1,365 and $1,612 in January.The cheapest round-trip price found within the last 5 days was $1,269 on Turkish Airlines (Jan 18-Feb 9).
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Kathmandu?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Kathmandu chosen by Cheapflights users in the past 12 months, using the same layover each way.
Doha (DOH) – chosen by Cheapflights users on 80% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Kathmandu on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Kathmandu?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Kathmandu, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Abu Dhabi (AUH) is the most affordable 1-stop option, with an average round-trip price of $1,112.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Kathmandu?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Kathmandu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 22h 38m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Kathmandu?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Kathmandu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 5h 51m.
Reviews of airlines servicing Kathmandu
Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated October 26, 2026.
Read reviews from past customers who have flown Emirates,Turkish Airlines, andQatar Airways from Washington, D.C. Dulles Intl Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.1
Food
7.9
Crew
8.4
Entertainment
8.2
Overall
8.1
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Related info for your journey
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Other flights to Kathmandu
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Dulles Intl and Kathmandu flights
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Top 4 airlines flying from Dulles Intl to Kathmandu
Discover the top 4 airlines that operate flights from Dulles Intl to Kathmandu. 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,057 | Average$1,459 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,108 | Average$1,687 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,178 | Average$1,570 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,212 | Average$1,493 | FlexibilityNo cancel fee | On-time68% |