- Must visit
Saint Louis Art Museum
Major fine arts museum in Forest Park with collections spanning ancient to modern works. A top cultural stop known for strong European, American, and global holdings.
Flights from Indianapolis, IN to St. Louis, MO depart on average 39 times per day, taking around 8h 43m. Cheap flight tickets for this journey start at $136 (€111) but you can travel from only $33 (€27) by bus.
The earliest flight runs at 05:00, the last at 22:00. The fastest flight covers the 229 miles (370 km) distance in 3h 34m. May is the cheapest month to fly.
Distance 229 miles (370 km) |
Average flight duration 8h 43m |
Cheapest ticket price $136 (€111) |
Flights per day 39 |
Fastest flight 3h 34m |
First flight 5:00 AM |
Last flight 10:00 PM |
Cheapest Month May |
Cheapest Day Sat |
High Season Oct - Dec |
Low Season Apr - Jun |
Busiest Day Sun |
Least Busy Day Sat |
Best time to book 5 days |
Cheapest price
$198
Average price
$331
Fastest journey
3 h 36 m
Average duration
4 h 24 m
Flights per day
7
Distance
370 km
The best way to find a cheap flight ticket from Indianapolis, IN to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Indianapolis, IN to St. Louis, MO will cost around $331 if you buy it on the day, but the cheapest tickets can be found for only $198.
Of the 7 flights that leave Indianapolis, IN for St. Louis, MO onSun, Jun 21, 7 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 21 the direct flights cover the 370 km distance in an average of 4 h 24 m but if you time it right, some flights will get you there in just 3 h 36 m .
On Sun, Jun 21 the longest flights will take 5 h 9 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.










Omio recommends booking the bus as it is the most popular option from Indianapolis, IN to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $33. For those with little time consider booking a bus which can get you there in 5h 22m. The ticket price range depends on the travel mode: a bus costs an average of $33, and a flight costs an average of $136.
Distance: 229 miles (370 km)
| Flight | Most popular Bus | Train | Driving |
|---|---|---|---|
$333 Average price | $54 Average price Cheapest | $124 Average price | $50 Average price (fuel + tolls) |
11h 43m Average total duration 8h 43m Onboard + 3h 0m Additional time* | 5h 52m Average total duration Fastest 5h 22m Onboard + 30m Additional time* | 8h 58m Average total duration 8h 28m Onboard + 30m Additional time* | 3h 31m Average total duration (door-to-door) |
![]() Most popular airline | ![]() Most popular bus company | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Indianapolis, IN to St. Louis, MO:
A bus is $70 (€57) less than a train for this route with tickets for a train from Indianapolis, IN to St. Louis, MO costing on average $124 (€101).
A bus is $279 (€228) less than a flight for this route with tickets for a flight from Indianapolis, IN to St. Louis, MO costing on average $333 (€272).
Other travel options to St. Louis, MO take longer:
Train takes on average 8h 28m.
Flight takes on average 8h 43m.
The table below shows live departures for Indianapolis, IN to St. Louis, MO flights for today, Saturday, June 20. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA5435 · UA2144 | 6:33 PM Indianapolis International Airport | 3h57 | 9:30 PM St. Louis Lambert International Airport | 1 transfer | |
UA3551 · UA1527 | 6:55 PM Indianapolis International Airport | 5h40 | 11:35 PM St. Louis Lambert International Airport | 1 transfer | |
AA1957 · AA1368 | 6:57 PM Indianapolis International Airport | 6h02 | 11:59 PM St. Louis Lambert International Airport | 1 transfer | |
UA3445 · UA4388 | 7:42 PM Indianapolis International Airport | 15h45 | 10:27 AM St. Louis Lambert International Airport | 1 transfer | |
AA1939 · AA459 | 7:44 PM Indianapolis International Airport | 5h00 | 11:44 PM St. Louis Lambert International Airport | 1 transfer | |
UA3443 · UA4472 | 8:08 PM Indianapolis International Airport | 4h21 | 11:29 PM St. Louis Lambert International Airport | 1 transfer | |
AA1951 · AA1004 | 9:01 PM Indianapolis International Airport | 4h15 | 12:16 AM St. Louis Lambert International Airport | 1 transfer | |
| Sunday, June 21 | |||||
![]() | 9:10 AM Indianapolis, IN | 4h28 | 1:38 PM St. Louis, MO | 0 transfersDirect | |
![]() | 11:00 AM Indianapolis, IN | 6h02 | 5:02 PM St. Louis, MO | 0 transfersDirect | |
![]() | 2:30 PM Indianapolis, IN | 4h54 | 7:24 PM St. Louis, MO | 0 transfersDirect | |
![]() | 3:42 PM Indianapolis, IN | 3h36 | 7:18 PM St. Louis, MO | 0 transfersDirect | |
![]() | 5:50 PM Indianapolis, IN | 5h09 | 10:59 PM St. Louis, MO | 0 transfersDirect | |
![]() | 7:35 PM Indianapolis, IN | 6h48 | 2:23 AM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare train, bus, and flight 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.
Discover the best of St. Louis — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis trip today.
Major fine arts museum in Forest Park with collections spanning ancient to modern works. A top cultural stop known for strong European, American, and global holdings.
Highly original museum and artist-built environment with architectural salvage, tunnels, slides, and installations. One of the city’s most distinctive and widely shared attractions.
History museum in Forest Park covering St. Louis, Missouri, and regional stories through permanent and rotating exhibitions. Well suited for visitors wanting local context.
One of the largest urban parks in the United States, home to major institutions, lakes, trails, and broad green spaces. Essential for first-time visitors.
Riverfront grounds around the Arch with lawns, paths, and strong skyline views, useful for walking and iconic photos.
Lively entertainment and walking district known for music venues, public art, shops, and the St. Louis Walk of Fame.
A local pizza style with a very thin, cracker-like crust, cut into squares and traditionally topped with Provel cheese. It is one of the city’s signature foods.
Breaded and fried meat- or cheese-filled ravioli, usually served with marinara sauce. This St. Louis Italian-American specialty is strongly associated with The Hill neighborhood.
A rich, dense cake with a buttery base and sweet cream cheese-like topping. It is one of the most famous desserts identified with St. Louis.
A long-established Italian restaurant on The Hill, known for classic red-sauce dishes, toasted ravioli, and an old-school fine dining feel.
An iconic St. Louis custard stand famous for thick concretes and nostalgic roadside charm. A must for trying the city’s best-known frozen treat.
A respected contemporary American restaurant known for refined cooking, strong wine service, and a polished neighborhood setting.
Generally moderate by U.S. standards. Hotels and attractions are often reasonable, while dining costs vary by neighborhood and venue.
Tip 18-20% at restaurants. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff and delivery drivers.
Find answers to the most common questions about traveling from Indianapolis, IN to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.

Most Indianapolis, IN to St. Louis, MO flights use the Indianapolis International Airport to St. Louis Lambert International Airport airport pair. Use this guide to compare Indianapolis, IN and St. Louis, MO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Indianapolis International Airport is 8 km from Indianapolis city centre. Public transport options include:
Indianapolis 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 options include: Restaurants in Civic Plaza, including fast food and sit-down options like Chick-fil-A and Harry & Izzy's
Free Wi-Fi available throughout the airport. ATMs are located near baggage claim and ticketingas.
Lost and found is available at the station.
Available at Indianapolis International Airport: Parking, Taxis, WC.
Available at Indianapolis International Airport: Car Rental.
Accessibility facilities are available at Indianapolis International Airport.
Nearby hotels include Hotels nearby, such as the Crowne Plaza Indiapolis Airport..
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
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 options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Lost and found is available at the station.
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
Here are some other resources that might have the information you need