Cheap flights from Illinois to Detroit from $38
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 Detroit departing on 7/31. 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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How to get the cheapest flight ticket from Illinois to Detroit
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 Detroit?
The cheapest month to fly to Detroit from Illinois is in October. Flight prices, which tend to average around $94, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in October, then September is your next best option. Flight prices from Illinois to Detroit during September average around $118.
What is the cheapest day to depart on your flight to Detroit?
On average, the least expensive day to fly to Detroit from Illinois is on a Friday. momondo users have found tickets for Friday departures for as low as $317. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Detroit for around $638.
What is the cheapest time of day to depart on your flight to Detroit?
In the evening is the cheapest time of day to fly from Illinois to Detroit when you can find flight prices for as low as $221. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $727 on average. Flights to Detroit from Illinois at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Illinois to Detroit flight route?
Fly from Chicago O'Hare Intl to Detroit Metropolitan Wayne County for the best Illinois - Detroit flight prices
How far in advance should I book a flight to Detroit?
You are more likely to see cheaper flights to Detroit from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $228 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Illinois for as low as $67 on momondo.
What cabin class options are available on Illinois to Detroit flights?
There are 4 cabin classes available to choose from on Illinois to Detroit 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 Detroit?
Spirit Airlines, United Airlines, and Southwest are the most popular carriers operating from Illinois to Detroit
What airlines fly to Detroit?
Delta, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Detroit from Illinois according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Detroit on average per day?
As of June 2025, 102 flights take off from Illinois and land in Detroit each day. The most common flight departure time for this route is 7:00PM, with 38% of daily flights taking off in the afternoon.
How many flights depart from Illinois to Detroit on average per week?
As of June 2025, 720 flights take off from Illinois and land in Detroit each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap Illinois to Detroit flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Detroit
When did momondo last update prices for flights from Illinois to Detroit?
Prices for flights from Illinois to Detroit were last updated today.
How many operators does momondo search for flights from Illinois to Detroit?
The number of operators available for flights from Illinois to Detroit is 5 as of June 2025.
How old do you have to be to fly from Illinois to Detroit?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Detroit.
What documentation or ID do you need to fly to Detroit?
The required travel and health documents for your Detroit 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 Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Detroit?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Detroit is Boeing 717-200 (7.50% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (6.64%), Boeing 787 Dreamliner (6.48%), and Embraer 175 (Enhanced Winglets) (6.44%).
Best airlines flying from Illinois to Detroit
Compare and see reviews for airlines that fly from Illinois to Detroit with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $37 | Free Cancellation | Rating 6.3 8,066 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $104 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Detroit?
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 Detroit from Illinois.
Can I find flights from Illinois to Detroit with flexible booking policies on momondo?
All flight searches from Illinois to Detroit on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Illinois to Detroit?
Once you have performed a search for Illinois to Detroit 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 Illinois to Detroit right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Illinois to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.