
Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) 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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,204 (Booking.com) |
Popular in | August |
Cheapest in | May |
Fly from
Fly to
Route
Depart
Return
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Wed 4/14
1:00 pm-2:55 pm
1 stop16h 55m
Seattle/Tacoma Intl
Tue 4/27
12:55 am-11:10 am
1 stop19h 15m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Tue 2/23
12:25 pm-2:10 pm
1 stop17h 45m
Seattle/Tacoma Intl
Mon 3/8
12:10 am-10:25 am
1 stop18h 15m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Sun 2/21
12:25 pm-2:10 pm
1 stop17h 45m
Seattle/Tacoma Intl
Mon 3/8
11:00 am-10:25 am
1 stop31h 25m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Tue 3/23
7:15 am-7:20 pm
2 stops27h 05m
Seattle/Tacoma Intl
Tue 4/6
1:35 pm-11:10 am
1 stop30h 35m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Mon 2/1
2:50 pm-5:30 pm
2 stops42h 40m
Seattle/Tacoma Intl
Tue 3/2
11:30 pm-5:40 pm
2 stops26h 10m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Sun 12/27
12:25 pm-2:10 pm
1 stop17h 45m
Seattle/Tacoma Intl
Sun 3/14
12:10 am-10:25 am
1 stop19h 15m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Tue 2/23
7:15 am-5:30 pm
2 stops26h 15m
Seattle/Tacoma Intl
Tue 3/9
10:25 am-5:40 pm
1 stop39h 15m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Wed 4/14
12:55 pm-7:30 pm
2 stops45h 35m
Seattle/Tacoma Intl
Wed 4/28
1:35 pm-11:10 am
1 stop30h 35m
UlaanbaatarSeattle
UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl
UBNSEA
Ulaanbaatar Chinggis Khaan
Wed 12/2
2:50 pm-5:30 pm
2 stops42h 40m
Seattle/Tacoma Intl
Tue 12/8
12:10 am-8:35 pm
2 stops28h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Everything you need to know about your flight from Ulaanbaatar to Seattle
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Find useful and relevant information for your journey from Ulaanbaatar to Seattle. 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$1,060 | Average$1,226 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,124 | Average$1,291 | FlexibilityNo cancel fee | On-time81% |