Cheap flights from Illinois to Warsaw from $256
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Warsaw departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Illinois to Warsaw
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Illinois to Warsaw
Our best United Airlines deals on Illinois to Warsaw flight tickets
Turkish Airlines flights from Illinois to Warsaw
Our best Turkish Airlines deals on Illinois to Warsaw flight tickets
See travel insights to Warsaw from
How to get the cheapest flight ticket from Illinois to Warsaw
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Warsaw?
The cheapest month to fly to Warsaw from Illinois is in November. Flight prices, which tend to average around $591, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of November, then departing from Illinois during the month February is also very affordable. Most momondo users find prices during this month for around $603.
What is the cheapest day to depart on your flight to Warsaw?
The cheapest day to depart from Illinois to Warsaw is on a Wednesday when prices can be found for as low as $873. Flights from Illinois to Warsaw on a Saturday will generally be more expensive and average around $978. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Warsaw?
Our most recent data shows that the best time of day to fly to Warsaw is in the morning. Flights from Illinois to Warsaw during this time can be as low as $772. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $939 per ticket.
What is the cheapest Illinois to Warsaw flight route?
Fly from Chicago O'Hare Intl to Warsaw Frederic Chopin for the best Illinois - Warsaw flight prices
How far in advance should I book a flight to Warsaw?
You are more likely to see cheaper flights to Warsaw from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw for around $770 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw from Illinois for as low as $723 on momondo.
What cabin class options are available on Illinois to Warsaw flights?
There are 3 cabin classes available to choose from on Illinois to Warsaw flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Warsaw?
TAP AIR PORTUGAL, Scandinavian Airlines, and SWISS are the most popular carriers operating from Illinois to Warsaw
What airlines fly to Warsaw?
LOT, Scandinavian Airlines and British Airways are the top three most popular airlines that fly to Warsaw from Illinois according to our data. LOT is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Warsaw. Keep in mind that there are 13 different airlines that fly to Warsaw on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Warsaw on average per day?
As of June 2025, there are 2 flights per day flying from Illinois to Warsaw. The most common time of day flights depart is 9:00PM, with 68% of flights taking off in the evening.
How many flights depart from Illinois to Warsaw on average per week?
The number of flights available between Illinois and Warsaw is 20 per week as of June 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
Cheap Illinois to Warsaw flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Warsaw
When did momondo last update prices for flights from Illinois to Warsaw?
Prices for flights from Illinois to Warsaw refresh daily.
How many operators does momondo search for flights from Illinois to Warsaw?
As of June 2025, there are 13 operators available to choose from for flights from Illinois to Warsaw.
How old do you have to be to fly from Illinois to Warsaw?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Warsaw.
What documentation or ID do you need to fly to Warsaw?
The required travel and health documents for your Warsaw trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Warsaw. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Warsaw
Compare and see reviews for airlines that fly from Illinois to Warsaw with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $442 | Free Cancellation | Rating 7.3 1,393 reviews | |||
| PriceFrom $466 | Free Cancellation | Rating 7.5 1,632 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom $515 | Free Cancellation | Rating 7.3 3,853 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $539 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.6 804 reviews | |||
| PriceFrom $570 | Free Cancellation | Rating 7.6 1,081 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Warsaw?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Warsaw from Illinois.
Can I find flights from Illinois to Warsaw with flexible booking policies on momondo?
Flights from Illinois to Warsaw with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Illinois to Warsaw?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Warsaw from Illinois.
I’m not ready to book a flight from Illinois to Warsaw right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Illinois to Warsaw now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Warsaw and let you know when they change.