HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

Cheap flights from Mongolia to Illinois

UBN — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Mongolia to Illinois 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Mongolia to Illinois, such as Korean Air, United Airlines, and Turkish Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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!!
United Airlines
7.4
Good
8,924 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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!!
Turkish Airlines
7.3
Good
3,968 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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 Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mongolia to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Mongolia to Illinois (average of $245). Flying from Mongolia to Illinois in March is currently the most expensive (average of $321). 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

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 Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to John F Kennedy Intl flights
Incheon Intl to Los Angeles flights
Haneda to Los Angeles flights
Incheon Intl to Newark flights
Incheon Intl to LaGuardia flights
Narita to Los Angeles flights
Narita to Honolulu flights
Manila to Los Angeles flights
Haneda to Honolulu flights
Incheon Intl to Seattle flights
Haneda to John F Kennedy Intl flights
Manila to San Francisco flights
New Delhi to Newark flights
New Delhi to John F Kennedy Intl flights
Incheon Intl to Honolulu flights
Incheon Intl to San Francisco flights
Incheon Intl to Dallas/Fort Worth flights
Chennai to Atlanta flights
Taiwan Taoyuan Intl to Los Angeles flights
Haneda to Newark flights
Singapore to John F Kennedy Intl flights
Mumbai to Newark flights
Incheon Intl to Dulles Intl flights
Taiwan Taoyuan Intl to San Francisco flights
Hong Kong to Los Angeles flights
Mumbai to John F Kennedy Intl flights
Incheon Intl to O'Hare Intl flights
New Delhi to San Francisco flights
Taiwan Taoyuan Intl to O'Hare Intl flights
Hyderabad to Dallas/Fort Worth flights
Narita to Seattle flights
Narita to Newark flights
Haneda to San Francisco flights
Incheon Intl to Las Vegas flights
Narita to San Francisco flights
Haneda to Seattle flights
Hongqiao Intl to Seattle flights
Pu Dong to Seattle flights
Manila to John F Kennedy Intl flights
Suvarnabhumi to Seattle flights
Taiwan Taoyuan Intl to John F Kennedy Intl flights
Lahore to John F Kennedy Intl flights
Mumbai to San Francisco flights
Narita to John F Kennedy Intl flights
Gimpo Intl to Honolulu flights
Suvarnabhumi to Los Angeles flights
Singapore to Newark flights
Suvarnabhumi to John F Kennedy Intl flights
New Delhi to LaGuardia flights
Haneda to Dallas/Fort Worth flights

Top 4 airlines flying from Mongolia to Illinois

Discover the top 4 airlines that operate flights from Mongolia to Illinois. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,042Average$1,210FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$1,178Average$1,263FlexibilityNo cancel feeOn-time69%
MIAT MongolianCheapest$1,194Average$1,416FlexibilityNo cancel feeOn-time63%
Korean AirCheapest$1,393Average$1,595FlexibilityNo 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.