Search Cheap Flights to
Imperial

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Imperial Flights as Low as $90

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Sat, Oct 4 - Tue, Oct 14
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$90 Roundtrip, found 5 days ago
$90
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 14, priced at $90 found 5 days ago
Frontier Airlines
Mon, Oct 6 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$95 Roundtrip, found 6 days ago
$95
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $95 found 6 days ago
Frontier Airlines
Thu, Aug 21 - Thu, Aug 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $139 found 1 day ago
United
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $157 found 1 day ago
Spirit Airlines
Sun, Aug 24 - Mon, Aug 25
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sun, Aug 24 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Aug 25, priced at $171 found 2 days ago
Delta
Sat, Sep 27 - Sat, Sep 27
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$174 Roundtrip, found 17 hours ago
$174
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 27, priced at $174 found 17 hours ago
American Airlines
Wed, Oct 1 - Tue, Oct 7
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 1 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 7, priced at $187 found 1 day ago
Delta
Tue, Oct 14 - Tue, Oct 21
DAL
Love Field
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 18 hours ago
$197
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Oct 14 from Love Field to Lambert-St. Louis Intl., returning Tue, Oct 21, priced at $197 found 18 hours ago
Frontier Airlines
Thu, Oct 16 - Fri, Oct 17
TTN
Mercer
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 17 hours ago
$223
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Mercer to Lambert-St. Louis Intl., returning Fri, Oct 17, priced at $223 found 17 hours ago
Delta
Wed, Sep 17 - Tue, Sep 23
GSP
Greenville-Spartanburg Intl.
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 3 days ago
$237
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 17 from Greenville-Spartanburg Intl. to Lambert-St. Louis Intl., returning Tue, Sep 23, priced at $237 found 3 days ago
Hawaiian Airlines
Mon, Sep 29 - Thu, Oct 2
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Oct 2, priced at $237 found 4 days ago
Bargain Flight
Fri, Aug 29 - Sun, Sep 7
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 8 hours ago
$246
Roundtrip
found 8 hours ago
Select Bargain Flight flight, departing Fri, Aug 29 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sun, Sep 7, priced at $246 found 8 hours ago
Frontier Airlines
Sun, Aug 24 - Sat, Aug 30
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Aug 24 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, Aug 30, priced at $252 found 1 day ago
Bargain Flight
Fri, Aug 8 - Sun, Aug 10
COS
Colorado Springs
STL
Lambert-St. Louis Intl.
$349 Roundtrip, found 23 hours ago
$349
Roundtrip
found 23 hours ago
Select Bargain Flight flight, departing Fri, Aug 8 from Colorado Springs to Lambert-St. Louis Intl., returning Sun, Aug 10, priced at $349 found 23 hours ago
Bargain Flight
Thu, Aug 7 - Sun, Aug 10
RDU
Raleigh - Durham Intl.
STL
Lambert-St. Louis Intl.
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Thu, Aug 7 from Raleigh - Durham Intl. to Lambert-St. Louis Intl., returning Sun, Aug 10, priced at $414 found 1 day ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
PAE
Seattle Paine Field Intl. Airport
STL
Lambert-St. Louis Intl.
$535 Roundtrip, found 18 hours ago
$535
Roundtrip
found 18 hours ago
Select Bargain Flight flight, departing Sun, Aug 31 from Seattle Paine Field Intl. Airport to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $535 found 18 hours ago

Cheap Flights to Imperial

Fall in love at first flight with your vacation to Imperial by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Imperial on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Imperial, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Imperial

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Imperial with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the STL airport.

What is the cheapest month to fly to Imperial?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Imperial are in October, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Imperial?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 12 to choose from for your flight to Imperial.

What airport is best to fly into Imperial?

When you’re planning your trip to Imperial, convenience is the name of the game. Luckily, Imperial Spirit of St. Louis Airport is nearby so you can deplane and get going on checking off everything on your Imperial must-do list.

How much are flights to Imperial?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Imperial on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $90, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Imperial?

The trick to saving a stack of cash on your flight to Imperial? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $90 right now, why wait?

Imperial Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$90

Last Minute Hotel Deals in Imperial

Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue, St. Louis, MO
Stay at this 3.5-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (2,924 reviews)
"Great breakfast. Facilities worn a little. Room was updated."

Reviewed on Aug 1, 2025

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Clayton Plaza Hotel & Extended Stay
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive, Fenton, MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.2/10 Very Good! (1,000 reviews)
"The room was wonderful,"

Reviewed on Jul 28, 2025

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Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Moonrise Hotel

Moonrise Hotel

4 out of 5
6177 Delmar Blvd, St. Louis, MO
Stay at this 4-star boutique hotel in St. Louis. Enjoy free WiFi, free parking, and 2 bars/lounges. Our guests praise the restaurant and the bar in our reviews. ...
8.8/10 Excellent! (1,826 reviews)
Exceptional food great chef great staff all the wa
"My stay was great I will be back"

Reviewed on Jul 31, 2025

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Moonrise Hotel
Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (1,521 reviews)
"It was a great trip. We were here 3 nights on a family vacation. The happy hour is a nice touch. The beds were ok. Shower was great. Staff was friendly. It was a clean, comfortable room."

Reviewed on Jul 31, 2025

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Pear Tree Inn St. Louis Near Union Station
St. Louis Union Station Hotel, Curio Collection by Hilton

St. Louis Union Station Hotel, Curio Collection by Hilton

4 out of 5
1820 Market Street, St. Louis, MO
Book a stay at this historic hotel in St. Louis. Enjoy free WiFi, an outdoor pool, and 7 restaurants. Our guests praise the helpful staff and the clean rooms ...
8.4/10 Very Good! (1,001 reviews)
Great Hotel!
"I love this hotel! Being in an old train station that has been beautifully preserved is such an awesome experience. It’s absolutely beautiful! Our room even had a view of the otter exhibit from the aquarium. This will always be my go to hotel when going to any event at the Enterprise Center."

Reviewed on Aug 1, 2025

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St. Louis Union Station Hotel, Curio Collection by Hilton
Best Western St. Louis-Kirkwood Route 66

Best Western St. Louis-Kirkwood Route 66

3.5 out of 5
1200 S Kirkwood Road, Kirkwood, MO
Stay at this 3.5-star business-friendly hotel in Kirkwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.4/10 Very Good! (1,225 reviews)
"Older facility, but clean and nice. We left before breakfast, but the beds were comfy and the room quiet. I would recommend."

Reviewed on Jul 31, 2025

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Best Western St. Louis-Kirkwood Route 66
Days Inn and Suites by Wyndham St. Louis/Westport Plaza

Days Inn and Suites by Wyndham St. Louis/Westport Plaza

2.5 out of 5
1970 Craig Rd, Maryland Heights, MO
Stay at this hotel in Maryland Heights. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. ...
4.4/10 (1,001 reviews)
Needs cleaning
"We where given a dirty room at 1st but got another room..."

Reviewed on Jul 18, 2025

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Days Inn and Suites by Wyndham St. Louis/Westport Plaza
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street, St. Louis, MO
Stay at this 4.5-star luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,282 reviews)
"Great gym and pool."

Reviewed on Aug 1, 2025

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21C Museum Hotel St Louis
See all 1,372 properties in Imperial
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.