
Keep the following information in mind while searching for Dulles Intl to Mongolia flight deals. Data was last updated November 10, 2026.
Round-trip from | $1,262 (Delta) |
|---|---|
One-way from | $645 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $1,153 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Sat 2/6
6:37 am-11:05 pm
3 stops51h 28m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Sat 2/6
10:56 am-10:25 am
2 stops34h 29m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 2/5
6:00 pm-5:30 am
2 stops46h 30m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 2/5
11:50 am-10:25 am
1 stop33h 35m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 12/2
11:35 pm-4:05 pm
1 stop27h 30m
Ulaanbaatar Chinggis Khaan
Wed 12/9
7:45 am-8:35 pm
1 stop25h 50m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Tue 2/2
1:30 pm-7:25 am
1 stop28h 55m
Ulaanbaatar Chinggis Khaan
Tue 2/16
9:15 am-7:25 pm
1 stop23h 10m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 11/27
11:35 pm-2:40 am
1 stop38h 05m
Ulaanbaatar Chinggis Khaan
Fri 12/4
7:45 am-8:35 pm
1 stop25h 50m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 2/26
7:29 pm-10:25 am
2 stops25h 56m
Ulaanbaatar Chinggis Khaan
Fri 3/5
12:25 pm-11:51 pm
2 stops24h 26m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Fri 11/27
7:00 am-10:25 am
2 stops38h 25m
Ulaanbaatar Chinggis Khaan
Fri 12/4
12:25 pm-9:30 pm
2 stops22h 05m
Washington, D.C.Ulaanbaatar
IAD Washington, D.C. Dulles Intl - UBN Ulaanbaatar Chinggis Khaan
IADUBN
Washington, D.C. Dulles Intl
Wed 12/2
11:35 pm-4:05 pm
1 stop27h 30m
Ulaanbaatar Chinggis Khaan
Thu 12/10
3:15 pm-6:30 pm
2 stops40h 15m
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Mongolia
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Walter,Jul 2026
LAX - BKK
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Walter,Jul 2026
LAX - BKK
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Walter,Jul 2026
LAX - BKK
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.
| 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% |