$1,852 Cheap Flights from St. Louis (STL) to Hamilton (HLZ)

View $1,852 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Hamilton (HLZ-Hamilton Intl.)

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Cheap Flights from St. Louis to Hamilton (STL-HLZ)

Prices were available within the past 7 days and start at $1,852 for one-way flights and $2,904 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,904 Roundtrip, found 3 days ago
$2,904
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,904 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,914 Roundtrip, found 3 days ago
$2,914
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,914 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,917 Roundtrip, found 3 days ago
$2,917
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,917 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,924 Roundtrip, found 3 days ago
$2,924
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,924 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,927 Roundtrip, found 3 days ago
$2,927
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,927 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,930 Roundtrip, found 3 days ago
$2,930
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,930 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$2,937 Roundtrip, found 3 days ago
$2,937
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $2,937 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$3,005 Roundtrip, found 3 days ago
$3,005
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $3,005 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$3,015 Roundtrip, found 3 days ago
$3,015
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $3,015 found 3 days ago
United
Sat, Oct 4 - Sat, Oct 18
STL
St. Louis
HLZ
Hamilton
$3,191 Roundtrip, found 3 days ago
$3,191
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 4 from St. Louis to Hamilton, returning Sat, Oct 18, priced at $3,191 found 3 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ) cost?
Get a cheap one-way flight from $1,852 or cheap return flight from $2,904 from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ)?
October is the most affordable month to fly from STL to HLZ. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to HLZ flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from STL to HLZ?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ) last-minute?
Last-minute bookings from STL to HLZ are usually more expensive. For the best rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a STL to HLZ flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to HLZ flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Hamilton Intl. Airport (HLZ)?
If you reserved your STL to HLZ flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hamilton Intl.
Roundtrip price
$2,903
Distance
7979 mi

Book with confidence

Book with confidence

St. Louis to Hamilton Flights

The cheapest times to fly from St. Louis to Hamilton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Hamilton are during the month of October. You can find some of the cheapest flights from St. Louis to Hamilton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Hamilton

Sunday is one of the best days to book for cheap flights from St. Louis to Hamilton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Hamilton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Hamilton in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,852 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Hamilton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Hamilton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Hamilton Flights

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*Available to One Key members.