Find and compare United Airlines flights to St. Louis

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Recent United Airlines flights to St. Louis found by users

Cheap United Airlines Flight Deals to St. Louis

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United Airlines Logo
9:55 am - 4:04 pmDFW-STL
6h 09m1 stop
United Airlines Logo
6:15 am - 1:25 pmSTL-DFW
7h 10m1 stop
$191United Airlines
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Thu, Dec 11 - Tue, Dec 16
United Airlines Logo
9:50 am - 4:46 pmDFW-STL
6h 56m1 stop
United Airlines Logo
9:57 am - 6:07 pmSTL-DFW
8h 10m2 stops
$225United Airlines
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Wed, Dec 24 - Tue, Jan 6
United Airlines Logo
9:35 am - 12:39 pmDEN-STL
2h 04mnonstop
United Airlines Logo
9:00 am - 10:29 amSTL-DEN
2h 29mnonstop
$227United Airlines
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Sun, Dec 7 - Wed, Dec 10
United Airlines Logo
5:53 pm - 8:57 pmDEN-STL
2h 04mnonstop
United Airlines Logo
9:00 am - 10:29 amSTL-DEN
2h 29mnonstop
$237United Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
United Airlines Logo
9:35 am - 12:39 pmDEN-STL
2h 04mnonstop
United Airlines Logo
1:35 pm - 3:05 pmSTL-DEN
2h 30mnonstop
$247United Airlines
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Mon, Dec 8 - Thu, Dec 11
United Airlines Logo
1:25 pm - 4:28 pmDEN-STL
2h 03mnonstop
United Airlines Logo
4:37 pm - 6:07 pmSTL-DEN
2h 30mnonstop
$257United Airlines
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Thu, Dec 4 - Tue, Dec 9
United Airlines Logo
5:15 am - 12:15 pmDFW-STL
7h 00m2 stops
United Airlines Logo
11:10 am - 3:57 pmSTL-DFW
4h 47m1 stop
$260United Airlines
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Sun, Dec 14 - Wed, Dec 17
United Airlines Logo
9:44 pm - 11:42 pmEWR-STL
2h 58mnonstop
United Airlines Logo
7:00 am - 10:29 amSTL-EWR
2h 29mnonstop
$261United Airlines
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Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
5:53 pm - 8:57 pmDEN-STL
2h 04mnonstop
United Airlines Logo
2:45 pm - 4:21 pmSTL-DEN
2h 36mnonstop
$262United Airlines
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Sun, Dec 14 - Thu, Dec 18
United Airlines Logo
8:40 am - 10:07 amIAD-STL
2h 27mnonstop
United Airlines Logo
8:30 am - 11:40 amSTL-IAD
2h 10mnonstop
$263United Airlines
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Wed, Dec 3 - Sat, Dec 6

United Airlines flights to St. Louis at a glance

Best Price Found

$148

Fastest flight time

1h 58m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from United States in the past 72 hours is $148. The best round-trip flight deal from United States to St. Louis found on momondo in the last 72 hours is $227.
The fastest flight from United States to St. Louis takes 1h 58m
Direct flights go from United States to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

Insights on United Airlines flights to St. Louis

Data designed to help you find the right flight

What cabin class options are available on United States to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on United States to Lambert-St Louis flights.

What is the cheapest day to depart on your Economy Class flight to St. Louis?

The cheapest day to depart from United States to St. Louis is on a Saturday when prices can be found for as low as $218. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average Economy Class ticket price to St. Louis on a Monday is $350.

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

In general, October is the cheapest month to fly Economy Class from United States to St. Louis. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $343. If you aren’t able to travel during the month of October, then book Economy Class flights to St. Louis from United States during May instead. Economy Class flights to St. Louis in May, while not as cheap as those in October, still average around $383.

What is the cheapest United States to Lambert-St Louis flight route?

Fly from Newark to Lambert-St Louis for the best United States - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from United States for as low as $349 on momondo.

Can stopping save me money on United States to St. Louis flights?

No. A direct flight is the cheapest option for a flight between United States to St. Louis.

Frequently asked questions about flights to St. Louis with United Airlines

Is United Airlines generally cheaper than other airlines for flights to St. Louis?

Lots of factors influence the price of a flight, whether that's with United Airlines or other airlines so it is best to search and compare before booking. The airline flying to St. Louis with the cheapest average return price tends to be Frontier.

Which other airlines fly to St. Louis?

Aside from United Airlines, Southwest, Delta and Frontier also fly to St. Louis.

How much is a flight to St. Louis with United Airlines?

The average price for a return flight is $347; with a one-way flight around $265.

Which airport do United Airlines flights arrive at for St. Louis?

Flights from United Airlines on this route tend to land in Lambert-St Louis Airport.

Which other airlines in the Star Alliance operate flights to St. Louis?

Among Star Alliance carriers, only United Airlines currently provides flights to St. Louis.

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