Cheap flights from Illinois to Mongolia
ORD — UBN
Dec 2 — Dec 91
1 adult, Economy
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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 Illinois to Mongolia
Keep the following information in mind while searching for Illinois to Mongolia flight deals. Data was last updated November 2, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Cheapflights Insights
Everything you need to know about your flight from Illinois to Mongolia
What is the cheapest month to book a flight from Illinois to Mongolia?
Currently, February is the cheapest month in which you can book a flight from Illinois to Mongolia (average of $976). Flying from Illinois to Mongolia in April is currently the most expensive (average of $2,104). 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.
What is the cheapest time of day to fly from IL to MN?
Find hourly flight availability from Illinois to Mongolia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.
When flying from Illinois to Mongolia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 38% versus a flight in the evening.
Related info for your journey
Find useful and relevant information for your journey from Illinois 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 Illinois to Mongolia
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Illinois to Mongolia
Discover the top 4 airlines that operate flights from Illinois 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 2,558,603 searches. Data last updated November 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,042 | Average$2,064 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,135 | Average$1,674 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,195 | Average$1,476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$1,426 | Average$1,482 | FlexibilityNo cancel fee | On-time77% |