Cheap flights from the United States to Chicago O'Hare Intl Airport from $37
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Chicago O'Hare Intl Airport departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from United States to Chicago O'Hare Intl Airport
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United Airlines flights from United States to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from United States to Chicago O'Hare Intl Airport
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 Chicago O'Hare Intl Airport?
The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from United States averaging around $189.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $292. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $376.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $235 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $340. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United States to Chicago O'Hare Intl flight route?
Fly from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl for the best United States - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from United States when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $243 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from United States for as low as $201 on momondo.
What cabin class options are available on United States to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on United States to Chicago O'Hare Intl 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 United States to Chicago O'Hare Intl?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from United States to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from United States according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 11 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Chicago O'Hare Intl Airport on average per day?
The number of flights available between United States and Chicago O'Hare Intl Airport is 487 per day as of April 2025. The most frequent departure time is 7:00AM, with 43% of daily flights leaving at noon.
How many flights depart from United States to Chicago O'Hare Intl Airport on average per week?
3,415 flights are operational weekly from United States to Chicago O'Hare Intl Airport as of April 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
Cheap United States to Chicago O'Hare Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Chicago O'Hare Intl Airport
When did momondo last update prices for flights from United States to Chicago O'Hare Intl Airport?
Prices for flights from United States to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from United States to Chicago O'Hare Intl Airport?
There are 12 operators available for flights from United States to Chicago O'Hare Intl Airport as of April 2025.
How old do you have to be to fly from United States to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to Chicago O'Hare Intl Airport is Boeing 737-800 (21.98% of total bookings). The next most popular plane models are Airbus A320neo (9.85%), Airbus A321neo (9.27%), and Boeing 737 MAX 8 (8.60%).
Best airlines flying from United States to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from United States to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $39 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $49 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $51 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $84 | Free Cancellation | Rating 7.3 2,926 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.9 2,380 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling to a place near Chicago?
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Why should I use momondo to find a flight deal from United States to Chicago?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Chicago for you.
Can I find flights from United States to Chicago with flexible booking policies on momondo?
Flights from United States to Chicago 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 United States to Chicago?
Once you have performed a search for United States to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from United States to Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from United States and alert you when they change.