$710+ Cheap flights from Dulles Intl (IAD) to Mongolia
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UBN
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to MongoliaExplore the most affordable flight options available from Dulles Intl to Mongolia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2026.
Explore the most affordable flight options available from Dulles Intl to Mongolia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2026.
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops38h 25m
Thu 12/312:25 pm -
2 stops30h 10m
Deal found 10/29![Multiple Airlines logo]()
$1,284
This Gotogate deal was found by Cheapflights users on 10/29. 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 11/269:20 pm -
1 stop21h 05m
Thu 12/39:15 am -
1 stop39h 30m
Deal found 10/29![Turkish Airlines logo]()
$1,291
This Trip.com deal was found by Cheapflights users on 10/27. 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 11/2511:50 am -
1 stop33h 35m
Wed 12/212:25 pm -
1 stop34h 25m
Deal found 10/27![Korean Air logo]()
$1,315
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops39h 25m
Wed 12/212:25 pm -
2 stops25h 16m
Deal found 10/27![Delta logo]()
$1,335
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Tue 11/179:20 pm -
1 stop21h 05m
Tue 11/249:15 am -
1 stop23h 10m
Deal found 10/29![Turkish Airlines logo]()
$1,345
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Sat 11/2112:25 pm -
2 stops23h 56m
Deal found 10/27![Delta logo]()
$1,385
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Fri 11/2012:25 pm -
2 stops24h 55m
Deal found 10/26![Delta logo]()
$1,430
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Sun 11/81:30 pm -
1 stop28h 55m
Mon 11/164:10 pm -
1 stop39h 20m
Deal found 10/29![Multiple Airlines logo]()
$1,445
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops38h 25m
Thu 12/312:25 pm -
1 stop34h 25m
Deal found 10/29![Delta logo]()
$1,474
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:00 am -
2 stops38h 25m
Tue 2/912:25 pm -
1 stop34h 25m
Deal found 10/27![Delta logo]()
$1,475
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
2 stops46h 40m
Tue 11/2411:50 am -
1 stop19h 40m
Deal found 10/29![Multiple Airlines logo]()
$1,481
Best flights from Dulles Intl to MongoliaDiscover carefully curated flight deals from Dulles Intl to Mongolia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
Discover carefully curated flight deals from Dulles Intl to Mongolia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
This Trip.com deal was found by Cheapflights users on 10/27. 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 11/2511:50 am -
1 stop33h 35m
Wed 12/212:25 pm -
1 stop34h 25m
Deal found 10/27![Korean Air logo]()
$1,315
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops39h 25m
Wed 12/212:25 pm -
2 stops25h 16m
Deal found 10/27![Delta logo]()
$1,335
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
2 stops46h 40m
Tue 11/2411:50 am -
1 stop19h 40m
Deal found 10/29![Multiple Airlines logo]()
$1,481
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Sat 11/2112:25 pm -
2 stops23h 56m
Deal found 10/26![Delta logo]()
$1,385
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Fri 11/2012:25 pm -
2 stops24h 55m
Deal found 10/26![Delta logo]()
$1,430
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:00 am -
2 stops39h 25m
Fri 3/2612:25 pm -
2 stops23h 26m
Deal found 10/29![Delta logo]()
$1,435
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops38h 25m
Thu 12/312:25 pm -
1 stop34h 25m
Deal found 10/29![Delta logo]()
$1,474
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/27:00 am -
2 stops38h 25m
Fri 3/2612:25 pm -
2 stops41h 05m
Deal found 10/28![Delta logo]()
$1,474
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/157:00 am -
2 stops40h 10m
Thu 4/291:00 pm -
1 stop34h 15m
Deal found 10/27![Delta logo]()
$1,475
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:00 am -
2 stops38h 25m
Tue 2/912:25 pm -
1 stop34h 25m
Deal found 10/27![Delta logo]()
$1,475
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 am -
2 stops37h 20m
Mon 11/1612:25 pm -
2 stops36h 12m
Deal found 10/29![Delta logo]()
$1,485
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
2 stops38h 25m
Mon 11/3012:25 pm -
2 stops24h 55m
Deal found 10/29![Delta logo]()
$1,535
Last-minute flights from Dulles Intl to MongoliaDiscover last-minute flight deals from Dulles Intl to Mongolia. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Mongolia. Data last updated October 31, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Sun 11/81:30 pm -
1 stop28h 55m
Mon 11/164:10 pm -
1 stop39h 20m
Deal found 10/29![Multiple Airlines logo]()
$1,445
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:05 am -
2 stops37h 20m
Mon 11/1612:25 pm -
2 stops36h 12m
Deal found 10/29![Delta logo]()
$1,485
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Sat 11/2112:25 pm -
2 stops23h 56m
Deal found 10/27![Delta logo]()
$1,385
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops38h 25m
Fri 11/2012:25 pm -
2 stops24h 55m
Deal found 10/26![Delta logo]()
$1,430
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Tue 11/179:20 pm -
1 stop21h 05m
Tue 11/249:15 am -
1 stop23h 10m
Deal found 10/29![Turkish Airlines logo]()
$1,345
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
2 stops46h 40m
Tue 11/2411:50 am -
1 stop19h 40m
Deal found 10/29![Multiple Airlines logo]()
$1,481
This Trip.com deal was found by Cheapflights users on 10/27. 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 11/2511:50 am -
1 stop33h 35m
Wed 12/212:25 pm -
1 stop34h 25m
Deal found 10/27![Korean Air logo]()
$1,315
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops39h 25m
Wed 12/212:25 pm -
2 stops25h 16m
Deal found 10/27![Delta logo]()
$1,335
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
2 stops38h 25m
Thu 12/312:25 pm -
2 stops30h 10m
Deal found 10/29![Multiple Airlines logo]()
$1,284
This Gotogate deal was found by Cheapflights users on 10/29. 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 11/269:20 pm -
1 stop21h 05m
Thu 12/39:15 am -
1 stop39h 30m
Deal found 10/29![Turkish Airlines logo]()
$1,291
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops38h 25m
Thu 12/312:25 pm -
1 stop34h 25m
Deal found 10/29![Delta logo]()
$1,474
One-way flights from Dulles Intl to MongoliaSearch for one-way flight options from Dulles Intl to Mongolia. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
Search for one-way flight options from Dulles Intl to Mongolia. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/2510:20 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/2010:20 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/1810:20 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$724
This oojo deal was found by Cheapflights users on 10/29. 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.
Tue 4/201:15 pm -
1 stop30h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Turkish Airlines logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/235:55 pm -
2 stops44h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$790
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/2710:20 pm -
2 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/174:00 pm -
2 stops31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/2312:35 am -
1 stop28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$839
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/1812:35 am -
1 stop38h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 4/2112:35 am -
1 stop28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$862
Find flight deals from Dulles Intl to Mongolia
Keep the following information in mind while searching for Dulles Intl to Mongolia flight deals. Data was last updated October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,270 (FlightHub) |
One-way from | $710 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Mongolia 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 31, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mongolia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Mon 4/19
10:05 am-11:10 am
2 stops37h 05m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$800
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Mon 4/26
5:30 pm-11:10 am
2 stops29h 40m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$800
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Sat 4/24
7:30 am-11:10 am
2 stops39h 40m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$800
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Thu 4/22
7:15 am-11:10 am
2 stops39h 55m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$800
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 4/21
1:15 pm-11:10 am
1 stop33h 55m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$870
Quickest round-trip
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 4/28
6:30 pm-11:10 am
2 stops28h 40m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$875
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Mon 12/28
7:00 am-10:25 am
2 stops38h 25m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
$897
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 11/25
11:50 am-10:25 am
1 stop33h 35m
Ulaanbaatar Chinggis Khaan
Wed 12/2
12:25 pm-9:50 am
1 stop34h 25m
$1,315
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 11/25
6:00 am-10:25 am
2 stops39h 25m
Ulaanbaatar Chinggis Khaan
Wed 12/2
12:25 pm-12:41 am
2 stops25h 16m
$1,335
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 11/13
7:00 am-10:25 am
2 stops38h 25m
Ulaanbaatar Chinggis Khaan
Sat 11/21
12:25 pm-11:21 pm
2 stops23h 56m
$1,385
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Mongolia
Have a flexible travel schedule? Discover the best time to fly to Mongolia from Dulles Intl with our price prediction graph.
IAD-UBN
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 Mongolia
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What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Mongolia?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mongolia (average of $1,062). Flying from Washington, D.C. Dulles Intl Airport to Mongolia in March is currently the most expensive (average of $1,694). 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.
Reviews of airlines servicing Mongolia
Get insights into the airlines that provide service to Mongolia. 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 Mongolia. Reviews last updated October 31, 2026.
Get a feel of what it's like to fly with Korean Air and Turkish Airlines from Washington, D.C. Dulles Intl Airport to Mongolia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Crew
8.7
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentWalter,Jul 2026
LAX - BKK
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Mongolia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Mongolia
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Dulles Intl and Mongolia flights
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Dulles Intl to Mongolia flights
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Top 3 airlines flying from Dulles Intl to Mongolia
Discover the top 3 airlines that operate flights from Dulles Intl to Mongolia. 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 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,025 | Average$1,461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$1,032 | Average$1,587 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,341 | Average$1,716 | FlexibilityNo cancel fee | On-time81% |