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Dupo

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Dupo Flights as Low as $56

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

Frontier Airlines
Wed, May 13 - Tue, Jun 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jun 2, priced at $56 just found
Frontier Airlines
Sat, May 16 - Wed, Jun 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$62 Roundtrip, found 9 hours ago
$62
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jun 3, priced at $62 found 9 hours ago
Frontier Airlines
Wed, Apr 29 - Wed, May 13
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$67 Roundtrip, found 9 hours ago
$67
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Apr 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, May 13, priced at $67 found 9 hours ago
Frontier Airlines
Thu, Apr 30 - Mon, May 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 9 hours ago
$68
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, May 11, priced at $68 found 9 hours ago
Frontier Airlines
Sat, May 30 - Wed, Jun 10
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$84 Roundtrip, found 1 hour ago
$84
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 30 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Jun 10, priced at $84 found 1 hour ago
Frontier Airlines
Sat, Apr 25 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$100 Roundtrip, found 9 hours ago
$100
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $100 found 9 hours ago
American Airlines
Tue, May 12 - Wed, May 13
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, just found
$119
Roundtrip
just found
Select American Airlines flight, departing Tue, May 12 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, May 13, priced at $119 just found
Frontier Airlines
Sun, Apr 26 - Sat, May 9
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$142 Roundtrip, found 14 hours ago
$142
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Apr 26 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $142 found 14 hours ago
Frontier Airlines
Thu, Apr 30 - Mon, May 11
RDU
Raleigh - Durham Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 8 hours ago
$153
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Raleigh - Durham Intl. to Lambert-St. Louis Intl., returning Mon, May 11, priced at $153 found 8 hours ago
Frontier Airlines
Tue, Apr 28 - Sat, May 9
TTN
Mercer
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 16 hours ago
$153
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Apr 28 from Mercer to Lambert-St. Louis Intl., returning Sat, May 9, priced at $153 found 16 hours ago
Delta
Tue, May 12 - Wed, May 13
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Delta flight, departing Tue, May 12 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, May 13, priced at $159 just found
Frontier Airlines
Fri, Apr 24 - Thu, Apr 30
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 10 hours ago
$160
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Thu, Apr 30, priced at $160 found 10 hours ago
United
Tue, May 12 - Wed, May 13
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, just found
$175
Roundtrip
just found
Select United flight, departing Tue, May 12 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, May 13, priced at $175 just found
Frontier Airlines
Sun, Apr 19 - Thu, Apr 23
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$203 Roundtrip, found 10 hours ago
$203
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sun, Apr 19 from LaGuardia to Lambert-St. Louis Intl., returning Thu, Apr 23, priced at $203 found 10 hours ago
Delta
Sat, May 30 - Wed, Jun 10
DAL
Love Field
STL
Lambert-St. Louis Intl.
$241 Roundtrip, found 1 hour ago
$241
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, May 30 from Love Field to Lambert-St. Louis Intl., returning Wed, Jun 10, priced at $241 found 1 hour ago
Alaska Airlines
Sat, May 9 - Fri, May 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$551 Roundtrip, just found
$551
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 9 from Denver Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $551 just found

Cheap Flights to Dupo

Fall in love at first flight with your vacation to Dupo 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 Dupo on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Dupo

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Dupo 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 Dupo?

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 Dupo are in May, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Dupo?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Dupo.

What airport is best to fly into Dupo?

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

How much are flights to Dupo?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Dupo on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, 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 Dupo?

The trick to saving a stack of cash on your flight to Dupo? 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 $56 right now, why wait?

Dupo Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$56

Last Minute Hotel Deals in Dupo

Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this 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! (3,139 reviews)
The hotel is very good, and clean

Reviewed on Apr 5, 2026

Get rates
Clayton Plaza Hotel & Extended Stay
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.4/10 Exceptional! (3,355 reviews)
Super helpful and friendly staff, especially at breakfast and the front desk

Reviewed on Apr 5, 2026

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Drury Plaza Hotel St. Louis at the Arch
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
Book a stay at this 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! (1,924 reviews)
The room was clean. The bathroom was old so the tub didn’t look as clean as desired. Overall, I enjoyed my stay.

Reviewed on Apr 5, 2026

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Pear Tree Inn St. Louis Near Union Station
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street St. Louis MO
Book a stay at this 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! (1,727 reviews)
We had an incredible experience at 21C! The amenities are amazing, the staff is attentive, friendly & welcoming. The design of the hotel is beautiful- we loved the museum, pool, sauna, restaurants, art features! Can’t say enough good things about our stay. Also super ideal location and parking/valet ...

Reviewed on Apr 5, 2026

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21C Museum Hotel St Louis
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,000 reviews)
There was only 1 working elevator & we were on the 12th floor. The wait was ridiculous!!!

Reviewed on Apr 5, 2026

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Hyatt Regency St. Louis at The Arch
Drury Inn & Suites St. Louis Union Station

Drury Inn & Suites St. Louis Union Station

3 out of 5
201 S 20th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,346 reviews)
Welcoming, very kind staff

Reviewed on Apr 5, 2026

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Drury Inn & Suites St. Louis Union Station
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (2,892 reviews)
Extremely clean room

Reviewed on Apr 4, 2026

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Pear Tree Inn St. Louis Airport
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 ...
8/10 Very Good! (1,180 reviews)
I was so pleasantly surprised with our stay here! The hotel was clean, breakfast was great & the pool was awesome!

Reviewed on Apr 5, 2026

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Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
See all 1,715 properties in Dupo
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.