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Find cheap United Airlines flights to St. Louis from C$ 289

1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap United Airlines Flight Deals to St. Louis

 
Here are some of the best deals found on KAYAK recently from United Airlines to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip United Airlines flight deals to St. Louis

Sat, 14 Feb - Sat, 21 Feb
United Airlines Logo
8:30 a.m. - 8:26 p.m.YVR-STL
9h 56m1 stop
United Airlines Logo
4:30 p.m. - 11:06 p.m.STL-YVR
8h 36m1 stop
C$ 390United Airlines
Find Deal
Tue, 7 Apr - Wed, 8 Apr
United Airlines Logo
2:50 p.m. - 7:48 p.m.YHZ-STL
6h 58m1 stop
United Airlines Logo
6:30 a.m. - 1:54 p.m.STL-YHZ
5h 24m1 stop
C$ 391United Airlines
Find Deal
Tue, 3 Mar - Wed, 4 Mar
United Airlines Logo
8:30 a.m. - 8:26 p.m.YVR-STL
9h 56m1 stop
United Airlines Logo
6:00 p.m. - 11:06 p.m.STL-YVR
7h 06m1 stop
C$ 395United Airlines
Find Deal
Mon, 19 Jan - Sat, 24 Jan
United Airlines Logo
5:55 p.m. - 11:59 p.m.YOW-STL
7h 04m1 stop
United Airlines Logo
9:57 a.m. - 9:56 p.m.STL-YOW
10h 59m2 stops
C$ 421United Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec
United Airlines Logo
7:00 a.m. - 2:25 p.m.YHZ-STL
9h 25m2 stops
United Airlines Logo
11:50 a.m. - 10:26 p.m.STL-YHZ
8h 36m2 stops
C$ 474United Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec
United Airlines Logo
9:00 a.m. - 3:29 p.m.YHZ-STL
8h 29m1 stop
United Airlines Logo
11:50 a.m. - 10:26 p.m.STL-YHZ
8h 36m2 stops
C$ 475United Airlines
Find Deal
Fri, 28 Nov - Sat, 13 Dec
United Airlines Logo
12:35 p.m. - 9:54 p.m.YVR-STL
7h 19m1 stop
United Airlines Logo
1:35 p.m. - 6:03 p.m.STL-YVR
6h 28m1 stop
C$ 489United Airlines
Find Deal
Tue, 2 Dec - Sat, 13 Dec
United Airlines Logo
8:30 a.m. - 4:28 p.m.YVR-STL
5h 58m1 stop
United Airlines Logo
1:35 p.m. - 6:03 p.m.STL-YVR
6h 28m1 stop
C$ 491United Airlines
Find Deal
Thu, 27 Nov - Sat, 13 Dec
United Airlines Logo
7:00 a.m. - 4:27 p.m.YVR-STL
7h 27m1 stop
United Airlines Logo
1:35 p.m. - 6:03 p.m.STL-YVR
6h 28m1 stop
C$ 498United Airlines
Find Deal
Tue, 7 Apr - Wed, 8 Apr
United Airlines Logo
5:25 p.m. - 10:59 p.m.YOW-STL
6h 34m1 stop
United Airlines Logo
7:45 a.m. - 5:14 p.m.STL-YOW
8h 29m2 stops
C$ 503United Airlines
Find Deal
Useful Info

Good to know

Low seasonJuly
Cheapest flightC$ 289
Average price round-tripC$ 667
Good deal round-tripC$ 567
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from Montreal to St. Louis
(avg. price over the last 2 weeks)
or less

When to book flights with United Airlines to St. Louis

Average price per month
Flight prices as travel date approaches

FAQs for flying to St. Louis with United Airlines

  • Is United Airlines cheaper than other airlines flying to St. Louis?

    United Airlines is currently the only airline with deals flying to St. Louis, with an average return price of C$ 667.

  • Which other airlines fly to St. Louis?

    Along with United Airlines, you can also fly to St. Louis with Air Canada.

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

    On average, United Airlines flights to St. Louis cost C$ 667 for a round-trip.

  • Which airport do United Airlines flights to St. Louis fly into?

    You’ll fly into St. Louis Lambert Airport when flying to St. Louis with United Airlines.

  • Are there any other airlines in Star Alliance that fly to St. Louis?

    The only other Star Alliance airline flying to St. Louis is Air Canada.

Top tips for your flights to St. Louis with United Airlines

  • The cheapest flight to St. Louis with United Airlines found on KAYAK in the last 2 weeks departed from Toronto Pearson Intl Airport and cost C$ 504.
  • High season for flights to St. Louis with United Airlines is December and prices are highest at this time. The cheapest month to fly is July.

United Airlines customer reviews

7.4
Good9,013 verified ratings
7.3Comfort
6.6Food
8.1Crew
7.1Entertainment
7.7Boarding
Pros +
  • Flight was quick and easy. (in 2447 reviews)
Cons -
  • Have the middle seats vacant. (in 137 reviews)
  • The space in economy plus. (in 296 reviews)
Show reviews that mention
Traveler rating:
Sort by:
A
8.0 Very good
on time and entertainment on board
P
10.0 Wonderful
United has come a long way, it’s been a fantastic experience traveling with them.
A
10.0 Wonderful
The whole experience was excellent
A
10.0 Wonderful
The whole experience was excellent
D
8.0 Very good
Even though we were delayed, we were able to make our connection
C
10.0 Wonderful
Seats in waiting area and on plane hard as rock. Fast internet on the flight was great! Crew was kind.
D
10.0 Wonderful
Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.
G
10.0 Wonderful
Is my favorite Lufthansa?
S
8.0 Very good
Good trip. Good crew. Thank you!
S
8.0 Very good
Great crew, excellent landing, good food. Over all great experience. Thank you!
Read more about United Airlines

Everything you need to know for your flight to St. Louis

Other airlines flying to St. Louis

Flight deals from the most popular airlines with KAYAK users flying the route
Air Canada flights to St. Louis