HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

Cheap flights from Mongolia to Seattle (SEA)

UBN — SEA
oct. 22 — oct. 291
mié. 10/22
mié. 10/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Mongolia 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 Mongolia to Seattle

Keep the following information in mind while searching for Mongolia to Seattle flight deals. Data was last updated septiembre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Ulaanbaatar Buyant Ukhaa-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ulaanbaatar Buyant Ukhaa-Seattle/Tacoma Intl flights.
Search Deals

Cheapflights Insights

Everything you need to know about your flight from Mongolia to Seattle

What is the cheapest time of day to fly from MN to SEA?

Find hourly flight availability from Mongolia to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 22, 2025.

When flying from Mongolia to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 22, 2025.
Read reviews from past customers who have flown Korean Air and Asiana Airlines from Mongolia to Seattle. 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.
Korean Air
8.4
Very good
1,143 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,143 reviews
Korean Air
8.4
Very good
1,143 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
482 reviews
Korean Air
8.4
Very good
1,143 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Mongolia to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Mongolia?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Mongolia.

  • Can I find deals for flights from Mongolia to Seattle that include hotel bookings?

    Yes. In addition to deals on Mongolia to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mongolia to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mongolia to Seattle.

  • Can I find deals for business class flights from Mongolia to Seattle?

    Yes. Cheapflights offers flight deals from Mongolia to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Mongolia to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Mongolia to Seattle (average of $238). Flying from Mongolia to Seattle in June is currently the most expensive (average of $387). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mongolia to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Seattle flights
Incheon Intl to Seattle flights
Pu Dong to Seattle flights
Narita to Seattle flights
Taiwan Taoyuan Intl to Seattle flights
Hongqiao Intl to Seattle flights
Haneda to Seattle flights
Mumbai to Seattle flights
New Delhi to Seattle flights
Soekarno-Hatta Intl to Seattle flights
Chennai to Seattle flights
Capital to Seattle flights
Ho Chi Minh City to Seattle flights
Singapore to Seattle flights
Hyderabad to Seattle flights
Beijing Daxing Intl to Seattle flights
Okinawa to Seattle flights
Bangalore to Seattle flights
Incheon Intl to Portland flights
Kansai Intl to Seattle flights
Manila to Seattle flights
Singapore to Portland flights
Kuala Lumpur Intl to Seattle flights
Udaipur to Portland flights
Taiwan Taoyuan Intl to Portland flights
Hong Kong to Seattle flights
Suvarnabhumi to Portland flights
Itami to Seattle flights
Busan to Seattle flights
Haneda to Portland flights
Hong Kong to Portland flights
Narita to Portland flights
Cochin to Seattle flights
Mumbai to Portland flights
Chiang Mai to Seattle flights
Trivandrum to Seattle flights
Chongqing to Seattle flights
Surabaya to Seattle flights
Da Nang to Seattle flights
Denpasar to Seattle flights
Manila to Portland flights
Hyderabad to Portland flights
Ahmedabad to Seattle flights
Kolkata to Seattle flights
Colombo to Seattle flights

Top 2 airlines flying from Mongolia to Seattle

Discover the top 2 airlines that operate flights from Mongolia 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 septiembre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$1,016Average$1,093FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,150Average$1,244FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.