St. Louis, MO to Naperville, IL flight with United

Sat, Sep 19
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Journey information

Overview: St. Louis, MO to Naperville, IL flight

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Flights from St. Louis, MO to Naperville, IL depart on average 39 times per day, taking around 4h 16m. Cheap flight tickets for this journey start at €266 but you can travel from only €44 by train.

There are 11 flights per day. The earliest flight runs at 05:00, the last at 22:36. The fastest flight covers the 243 miles (392 km) distance in 1h 23m. April is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from €44
Distance
243 miles (392 km)
Average flight duration
4h 16m
Cheapest ticket price
€266
Flights per day
39
Direct flights
11
Fastest flight
1h 23m
First flight
5:00 AM
Last flight
10:36 PM
Cheapest Month
Apr
Cheapest Day
Sun
High Season
Jan - Mar
Low Season
Apr - Jun
Busiest Day
Sun
Least Busy Day
Sun
Best time to book
28 days
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from €44

The cheapest and fastest flights from St. Louis, MO to Naperville, IL

Showing times, prices and bookable tickets for Sep 19

Cheapest price on Sep 19

€362

Average ticket price on Sep 19

€362

Fastest journey on Sep 19

1 h 29 m

Average journey duration on Sep 19

1 h 29 m

Flights on Sep 19

1

Distance

392 km

Cheap tickets

The best way to find a cheap flight ticket from St. Louis, MO to Naperville, IL is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from St. Louis, MO to Naperville, IL will cost around €362 if you buy it on the day, but the cheapest tickets can be found for only €362.

Fast flights

On Sat, Sep 19, we found 1 flights from St. Louis, MO to Naperville, IL, including 1 direct services.

On Sat, Sep 19 the direct flights cover the 392 km distance in an average of 1 h 29 m but if you time it right, some flights will get you there in just 1 h 29 m .

On Sat, Sep 19 the longest flights will take 1 h 29 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • United
    2:16 PM1h29
    St. Louis, MO
    3:45 PMNaperville, IL
    €3621One-way
    0 transfers

Travel Information

Compare train and bus for St. Louis, MO to Naperville, IL

Omio recommends booking the bus as it is the most popular option from St. Louis, MO to Naperville, IL among Omio's users. If you are prioritising price, take the bus, with an average ticket price of €70 For those with little time, consider booking a flight, which has an average total journey time of 6h 16m. Average ticket prices depend on the travel mode: a bus costs an average of €70, while a flight costs an average of €631.

Distance: 243 miles (392 km)

Compare flight with

Flight
Most popular
Bus
Train
Driving

€631

Average price

€70

Average price

Cheapest

€121

Average price

€46

Average price

(fuel + tolls)

6h 16m

Average total duration

Fastest

4h 16m

Onboard

+

2h 0m

Additional time*

7h 30m

Average total duration

7h 0m

Onboard

+

30m

Additional time*

6h 17m

Average total duration

5h 47m

Onboard

+

30m

Additional time*

4h 12m

Average total duration

(door-to-door)

United

Most popular airline

FlixBus

Most popular bus company

Amtrak

Most popular train company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Direct Options

The cheapest way to travel from St. Louis, MO to Naperville, IL is a bus with an average price of €70.

This is compared to other travel options from St. Louis, MO to Naperville, IL:

A bus is €51 less than a train for this route with tickets for a train from St. Louis, MO to Naperville, IL costing on average €121.

A bus is €561 less than a flight for this route with tickets for a flight from St. Louis, MO to Naperville, IL costing on average €631.

The fastest way to travel from St. Louis, MO to Naperville, IL is by flight with an average journey time of 4h 16m.

Other travel options to Naperville, IL take longer:

Train takes on average 5h 47m.

Bus takes on average 7h 0m.

It's helpful to compare your options as there are 2 ways to travel between St. Louis, MO and Naperville, IL including taking a train and bus.
We recommend using the train as it is the most popular way to get from St. Louis, MO to Naperville, IL among Omio's users.

Compare prices and tickets St. Louis, MO to Naperville, IL by train or bus

Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Sat
Sep 19
Sun
Sep 20
Mon
Sep 21
Tue
Sep 22
Wed
Sep 23
Thu
Sep 24
Fri
Sep 25

Why should you book St. Louis, MO to Naperville, IL flights with Omio?

American Airlines as well as Republic Airlines, United, skywest airlines and more offer flights services from St. Louis, MO to Naperville, IL.
Omio is an official ticket reseller for all your travel options from St. Louis, MO to Naperville, IL.

Why book with Omio vs American Airlines?

  • Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of Republic Airlines, United or skywest airlines to find the best option for your trip from St. Louis, MO to Naperville, IL.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train and bus to ensure you get the best deal for traveling from St. Louis, MO to Naperville, IL.

Why book with Omio over Trip, Edreams or Skyscanner?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of Republic Airlines, United or skywest airlines to find the best option for your trip from St. Louis, MO to Naperville, IL.
  • Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from St. Louis, MO to Naperville, IL.

Airlines: United, skywest airlines, Republic Airlines, American Airlines from St. Louis, MO to Naperville, ILFind the best flights between St. Louis, MO to Naperville, IL with Omio's travel partners United, skywest airlines, Republic Airlines, American Airlines from €44. We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average United Duration
1h 23m
Cheapest United Price
€312
United frequency
35 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
Learn more about United

skywest airlines

About
SkyWest Airlines is a major North American regional airline headquartered in St. George, Utah. It operates flights for larger carriers such as Alaska Airlines (as Alaska SkyWest), American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express). SkyWest is the largest regional airline in North America by fleet size, passengers carried, and destinations served. The airline connects passengers to over 250 destinations across the United States, Canada, and Mexico, primarily linking smaller airports to major airline hubs. SkyWest's fleet consists of regional jets, including the Bombardier CRJ series and Embraer 175 aircraft.
Luggage & cancellation policy
Average skywest airlines Duration
1h 29m
Cheapest skywest airlines Price
€266
skywest airlines frequency
2 a day
Luggage included
One carry-on bag and one personal item are allowed for free.
Additional luggage
Additional luggage can be purchased, and fees apply for excess, oversized, or overweight baggage.
Cancellation Policy
If canceled within 24 hours of purchase, a full refund is possible, provided the departure is at least 7 days away; after 24 hours, fees range from $100 to $500.
Refund
If SkyWest Airlines cancels a flight, passengers are eligible for a full refund.
Pregnant on board
Being pregnant on board is allowed, but specific policies may depend on the partner airline.
Unaccompagned minor
Children aged 5-14 can travel alone using the unaccompanied minor service, which includes airport escort and supervision.
Amenities on board the airplane
Seat reservation
Toilets
Accessibility
SkyWest Airlines complies with all provisions of the Air Carrier Access Act and accommodates customers with special needs.
Bikes
Bicycles can be checked in but may incur additional fees and must be properly packed.
Pets
Small pets like cats and dogs are allowed in the cabin for a fee, with restrictions on pet and carrier size.

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average American Airlines Duration
1h 28m
Cheapest American Airlines Price
€323
American Airlines frequency
1 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Learn more about American Airlines

Republic Airlines

About
Republic Airways is a major regional airline in the United States, operating as a subsidiary of Republic Airways Holdings. It provides scheduled passenger service for American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express) using a fleet of Embraer 170 and 175 regional jets. Headquartered in Indianapolis, Indiana, Republic Airways operates over 900 daily flights to more than 80 cities across the U.S. and Canada. The company is known for its large fleet of Embraer E-Jets and its state-of-the-art training facilities. In April 2025, Republic Airways Holdings announced its acquisition of Mesa Air Group, which is expected to create the second-largest regional carrier in the U.S.
Luggage & cancellation policy
Average Republic Airlines Duration
1h 28m
Cheapest Republic Airlines Price
€266
Republic Airlines frequency
1 a day
Luggage included
One carry-on bag (24 x 16 x 10) and one personal item
Additional luggage
Checked bags for a fee
Cancellation Policy
Tickets are non-refundable but may be cancelled for future flight credit minus applicable fees
Pregnant on board
Passengers can fly up to the end of their 36th week for single pregnancies and the end of their 32nd week for multiple pregnancies
Unaccompagned minor
Unaccompanied minor service is available for children ages 5-14. Must be booked directly with Republic Airlines
Amenities on board the airplane
USB plugs
Accessibility
Republic Airlines offers assistance for passengers with reduced mobility, including wheelchair services and priority boarding. Passengers are advised to request these services in advance to ensure availability and proper arrangements.

FAQs: St. Louis, MO to Naperville, IL Flight

Find answers to the most common questions about traveling from St. Louis, MO to Naperville, IL by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Naperville, IL, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from St. Louis, MO to Naperville, IL can start from as little as €266 when you book in advance. The average flight ticket price for St. Louis, MO to Naperville, IL is €631 ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from St. Louis, MO to Naperville, IL is 1h 23m to travel the 243 miles (392 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from St. Louis, MO to Naperville, IL leaves at 5:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Naperville, IL leaves at 10:36 PM.
Yes, there are 11 direct flights a day from St. Louis, MO to Naperville, IL with American Airlines, Republic Airlines, United, skywest airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Naperville, IL, you can count on American Airlines, Republic Airlines, United, skywest airlines for the best way to get you to Naperville, IL. You can also check all possible airlines who offer a service between St. Louis, MO and Naperville, IL and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Naperville, IL generally leave from St. Louis Lambert International Airport and arrive in O'Hare International Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and O'Hare International Airport is 1 miles (3 km) from Naperville, IL city centre.
The cheapest month for a flight from St. Louis, MO to Naperville, IL is April.
It's helpful to compare your options as there are 2 ways to travel between St. Louis, MO and Naperville, IL including taking a train and bus.
Since neither St. Louis, MO nor Naperville, IL are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is no time difference between St. Louis, MO and Naperville, IL.
We recommend using the flight as it is the most popular way to get from St. Louis, MO to Naperville, IL among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In Naperville, IL, travelers should be aware of common urban safety concerns such as petty theft and occasional scams targeting visitors, including fake ticket sellers or ride services. It is advised to use official transportation providers, avoid sharing personal information with strangers, and remain vigilant in crowded areas like downtown or popular attractions. Overall, Naperville is considered a safe city, but standard precautions help ensure a smooth visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from St. Louis, MO to Naperville, IL

Most St. Louis, MO to Naperville, IL flights use the St. Louis Lambert International Airport to O'Hare International Airport airport pair. Use this guide to compare St. Louis, MO and Naperville, IL airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.

Departure airports in St. Louis
Arrival airports in Naperville

Which St. Louis, MO airport do flights to Naperville, IL leave from?

Flights from St. Louis, MO to Naperville, IL depart from St. Louis Lambert International Airport. The airport is 1 miles (2 km) from St. Louis, MO city centre at 10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USA.
St. Louis Lambert International Airport (STL)10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USAWifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rental
City-centre transport

Getting to St. Louis Lambert International Airport from St. Louis city centre

St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:

TrainMlr · 31m · €3 · every ~7 min
BusGreyhound US1210 · 25m · €2

St. Louis Lambert International Airport airport facilities and services

St. Louis Lambert International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.

Food and drink

Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's

Wi-Fi and ATMs

Free Wi-Fi available throughout the airport. ATMs are located in both terminals.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at St. Louis Lambert International Airport: Parking, Taxis, WC.

Bike and car services

Available at St. Louis Lambert International Airport: Car Rental.

Accessibility

Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.

Shops, hotels and contact

Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..

More about St. Louis Lambert International Airport

More options for your journey from St. Louis, MO to Naperville, IL

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