Cheap flights from Boston (BOS) to St. Louis (STL)

Get more for your budget and save up to 50% off select Secret Bargain hotels

Get even more value with CheapTickets Price Guarantee!

Change your flight without a fee on select flights

Lowest round trip fares by airline from Boston and St. Louis

Cheapest prices ($65 One Way, $118 Round Trip) found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Great Deals On Cheap Hotels in St. Louis

Quality Inn St. Louis Airport Hotel

Quality Inn St. Louis Airport Hotel

2.5 out of 5
10232 Natural Bridge Rd, St. Louis, MO
The price is $62 per night from Dec 18 to Dec 19
$62
includes taxes & fees
$53 per night
Dec 18 - Dec 19
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a free airport shuttle, and parking (surcharge). Our guests praise the helpful staff ...
6/10 (1,000 reviews)
"Easy"

Reviewed on Nov 17, 2024

Quality Inn St. Louis Airport Hotel
Americas Best Value Inn St. Louis Downtown

Americas Best Value Inn St. Louis Downtown

2 out of 5
1100 Lumiere Place Boulevard, St. Louis, MO
The price is $80 per night from Nov 24 to Nov 25
$80
includes taxes & fees
$68 per night
Nov 24 - Nov 25
Stay at this motel in St. Louis. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Gateway Arch and Busch Stadium are located ...
5.6/10 (735 reviews)
Crash pad & little more
"No frills motel, really close to the downtown, not a lot else to praise. Room was nice & clean, but it does lack some creature comforts of a nicer spot. Good enough to lay your head at the end of the night"

Reviewed on Jun 2, 2024

Americas Best Value Inn St. Louis Downtown
OYO Hotel St. Louis Downtown City Center MO

OYO Hotel St. Louis Downtown City Center MO

3.5 out of 5
400 S 14th St, St. Louis, MO
Stay at this 3.5-star business-friendly hotel in St. Louis. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the helpful staff and ...
6.6/10 (1,149 reviews)
"Definitely an older hotel. Overall the room was kinda dingy."

Reviewed on Apr 11, 2024

OYO Hotel St. Louis Downtown City Center MO
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Fly From Boston to St. Louis

Origin
Boston
Destination
St. Louis
Number of Daily Flights
5
Earliest Flight Departure Date
Nov 29
Latest Flight Departure Date
Nov 29
Popular Airlines
American Airlines

Cheap flights from Boston to St. Louis

Are you ready to book your flight, but feeling nervous about paying too much if prices drop in a few days? Don't play the waiting game. Our Best Price Guarantee means if you see a better fare for the same flight, we'll give you the difference in CheapCash, plus $50 more in CheapCash, which you can use to save on your hotel reservation.

If you have a frequent flier account, add it to your reservation to earn miles. And don't worry about getting stuck in a middle seat. Choose your seats when you book, so you'll be right where you want to be on departure day.

Save Even More Time and Money With a St. Louis Travel Package

Once your flights are booked, why start all over again searching for a cheap hotel? Book your flight and hotel together, and save yourself more than time and energy. You'll also be able to take advantage of discounts and coupons on your St. Louis vacation that you can't get when you book flights and hotel separately.

Relax in St. Louis With Confidence and Convenience

Going cheap doesn't mean giving up great service. Our agents are available 24/7 to help you find the right cheap flights and hotel, and to answer questions about your trip.

Need to grab a cheap travel deal while you're on the go? Download our mobile app, where you can search and book just like you would on your home computer. Stay in-the-know on great rates on flights from Boston to St. Louis by signing up for exclusive email deals.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.