Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dayton to St. Louis from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to St. Louis departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dayton to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:22 pm - 9:33 pmDAY  Dayton-STL Lambert-St Louis
7h 11m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 am - 3:40 pmSTL  Lambert-St Louis-DAY Dayton
3h 50m1 stop Atlanta Hartsfield-Jackson
$281Delta
Tue, Nov 10 - Sat, Nov 14
Delta Logo
6:00 am - 10:55 amDAY  Dayton-STL Lambert-St Louis
5h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 2:41 pmSTL  Lambert-St Louis-DAY Dayton
6h 36m1 stop Atlanta Hartsfield-Jackson
$281Delta
Wed, Sep 23 - Wed, Sep 30
American Airlines Logo
5:34 am - 10:18 amDAY  Dayton-STL Lambert-St Louis
5h 44m1 stop Chicago O'Hare Intl
American Airlines Logo
11:01 am - 6:39 pmSTL  Lambert-St Louis-DAY Dayton
6h 38m1 stop Chicago O'Hare Intl
$281American Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
6:39 pm - 11:42 pmDAY  Dayton-STL Lambert-St Louis
6h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 2:40 pmSTL  Lambert-St Louis-DAY Dayton
6h 40m1 stop Atlanta Hartsfield-Jackson
$290Delta
Mon, Oct 5 - Wed, Oct 14
American Airlines Logo
8:31 am - 12:55 pmDAY  Dayton-STL Lambert-St Louis
5h 24m1 stop Chicago O'Hare Intl
American Airlines Logo
4:50 pm - 10:36 pmSTL  Lambert-St Louis-DAY Dayton
4h 46m1 stop Chicago O'Hare Intl
$299American Airlines
Sat, Sep 5 - Mon, Sep 7
United Airlines Logo
6:11 pm - 9:17 pmDAY  Dayton-STL Lambert-St Louis
4h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 pm - 11:59 pmSTL  Lambert-St Louis-DAY Dayton
5h 29m1 stop Chicago O'Hare Intl
$299United Airlines
Sat, Sep 5 - Mon, Sep 7
American Airlines Logo
6:30 pm - 12:09 amDAY  Dayton-STL Lambert-St Louis
6h 39m1 stop Chicago O'Hare Intl
American Airlines Logo
5:00 am - 12:05 pmSTL  Lambert-St Louis-DAY Dayton
6h 05m1 stop Chicago O'Hare Intl
$325American Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
7:15 am - 12:02 pmDAY  Dayton-STL Lambert-St Louis
5h 47m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 pm - 11:59 pmSTL  Lambert-St Louis-DAY Dayton
5h 29m1 stop Chicago O'Hare Intl
$329United Airlines
Thu, Aug 20 - Mon, Aug 24
Delta Logo
6:00 am - 11:46 amDAY  Dayton-STL Lambert-St Louis
6h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:23 pm - 11:56 pmSTL  Lambert-St Louis-DAY Dayton
5h 33m1 stop Atlanta Hartsfield-Jackson
$349Delta
Wed, Aug 19 - Sun, Aug 23
United Airlines Logo
11:39 am - 3:41 pmDAY  Dayton-STL Lambert-St Louis
5h 02m1 stop Chicago O'Hare Intl
United Airlines Logo
1:08 pm - 8:31 pmSTL  Lambert-St Louis-DAY Dayton
6h 23m1 stop Chicago O'Hare Intl
$389United Airlines
Wed, Jan 27 - Sat, Jan 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Dayton to St. Louis

Our best American Airlines deals on Dayton to St. Louis flight tickets
American Airlines
Sep 15
DAY5:34 amDayton
5h 44m
1 stop
STL10:18 amLambert-St Louis
Sep 22
STL11:01 amLambert-St Louis
6h 38m
1 stop
DAY6:39 pmDayton
$281
American Airlines
Oct 14
DAY6:30 pmDayton
6h 39m
1 stop
STL12:09 amLambert-St Louis
Oct 18
STL5:00 amLambert-St Louis
6h 05m
1 stop
DAY12:05 pmDayton
$325
American Airlines
Oct 15
DAY6:30 pmDayton
6h 39m
1 stop
STL12:09 amLambert-St Louis
Oct 18
STL5:00 amLambert-St Louis
6h 05m
1 stop
DAY12:05 pmDayton
$334

United Airlines flights from Dayton to St. Louis

Our best United Airlines deals on Dayton to St. Louis flight tickets
United Airlines
Sep 5
DAY6:11 pmDayton
4h 06m
1 stop
STL9:17 pmLambert-St Louis
Sep 7
STL5:30 pmLambert-St Louis
5h 29m
1 stop
DAY11:59 pmDayton
$299
United Airlines
Aug 20
DAY7:15 amDayton
5h 47m
1 stop
STL12:02 pmLambert-St Louis
Aug 24
STL5:30 pmLambert-St Louis
5h 29m
1 stop
DAY11:59 pmDayton
$329
United Airlines
Jan 27
DAY11:39 amDayton
5h 02m
1 stop
STL3:41 pmLambert-St Louis
Jan 30
STL1:08 pmLambert-St Louis
6h 23m
1 stop
DAY8:31 pmDayton
$389

momondo Fare Finder

 
Customize your flight search to find flights from Dayton to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Dayton to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Tue 11/10

3:22 pm-9:33 pm

1 stop7h 11m

Lambert-St Louis

Sat 11/14

10:50 am-3:40 pm

1 stop3h 50m

$281

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Wed 9/23

6:00 am-10:55 am

1 stop5h 55m

Lambert-St Louis

Wed 9/30

7:05 am-2:41 pm

1 stop6h 36m

$281

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Tue 9/15

5:34 am-10:18 am

1 stop5h 44m

Lambert-St Louis

Tue 9/22

11:01 am-6:39 pm

1 stop6h 38m

$281

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Mon 10/5

6:39 pm-11:42 pm

1 stop6h 03m

Lambert-St Louis

Wed 10/14

7:00 am-2:40 pm

1 stop6h 40m

$290

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Sat 9/5

8:31 am-12:55 pm

1 stop5h 24m

Lambert-St Louis

Mon 9/7

4:50 pm-10:36 pm

1 stop4h 46m

$299
Quickest round-trip

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Sat 9/5

6:11 pm-9:17 pm

1 stop4h 06m

Lambert-St Louis

Mon 9/7

5:30 pm-11:59 pm

1 stop5h 29m

$299

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Wed 10/14

6:30 pm-12:09 am

1 stop6h 39m

Lambert-St Louis

Sun 10/18

5:00 am-12:05 pm

1 stop6h 05m

$325

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Thu 8/20

7:15 am-12:02 pm

1 stop5h 47m

Lambert-St Louis

Mon 8/24

5:30 pm-11:59 pm

1 stop5h 29m

$329

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Wed 8/19

6:00 am-11:46 am

1 stop6h 46m

Lambert-St Louis

Sun 8/23

5:23 pm-11:56 pm

1 stop5h 33m

$349

DaytonSt. Louis

DAY Dayton - STL Lambert-St Louis

DAYSTL

Dayton

Wed 1/27

11:39 am-3:41 pm

1 stop5h 02m

Lambert-St Louis

Sat 1/30

1:08 pm-8:31 pm

1 stop6h 23m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Dayton to St. Louis

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 typical price of a round-trip flight between Dayton and St. Louis?

Prices are currently typical for flights on this route.

Typical prices usually range from $248 to $293.
The lowest price recently found on this route was $281.

What is the cheapest month to fly to St. Louis?

In general, July is the cheapest month to fly from Dayton to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of August is another great option to travel to St. Louis, with average flight prices from Dayton averaging around $248.

When to book flights from Dayton to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dayton to St. Louis (DAY to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to St. Louis

Fastest flight time

4h 00m

Direct flights

None
The fastest flight from Dayton to St. Louis takes 4h 00m
There are no direct flights from Dayton to St. Louis. There are no popular flight routes from Dayton to St. Louis.
Search flight deals

Frequently asked questions about flying from Dayton to St. Louis

  • How far is Dayton to Lambert-St Louis by plane?

    A flight from Dayton to Lambert-St Louis will travel around 330.7 mi. In terms of flight time, this usually takes a little over 4h 00m.

  • When did momondo last update prices for flights from Dayton Airport to Lambert-St Louis Airport?

    Prices for flights from Dayton Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Dayton Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Dayton Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Dayton to St. Louis?

Best airlines flying from Dayton to St. Louis

Compare and see reviews for airlines that fly from Dayton to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $228Free CancellationRating
7.4
10,080 reviews
Search United Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,874 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to St. Louis?

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 Dayton to St. Louis for you.

Can I find flights from Dayton to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Dayton with this policy.

How can momondo help me find flights from Dayton to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Dayton. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Dayton to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Dayton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 9/6
Sun 9/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States