St. Peter's Basilica with its dome and adjacent obelisk, surrounded by a colonnade.

Cheap Flights to St. Peters , MO from CA $154

View CA $154 flight on Sat, Oct 17, 2026Opens in a new window

Popular airlines to St. Peters

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How much is the cheapest flight to St. Peters?

Prices were available within the past 7 days and start at CA $154 for one-way flights and CA $305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 1 - Tue, Sep 15
DTW
Detroit
STL
St. Louis
CA $305 Roundtrip, found 4 days ago
CA $305
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 1 from Detroit to St. Louis, returning Tue, Sep 15, priced at CA $305 found 4 days ago
American Airlines
Tue, Sep 1 - Sun, Sep 6
DTW
Detroit
STL
St. Louis
CA $334 Roundtrip, found 4 days ago
CA $334
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 1 from Detroit to St. Louis, returning Sun, Sep 6, priced at CA $334 found 4 days ago
United
Thu, Sep 24 - Sat, Oct 10
YVR
Vancouver
STL
St. Louis
CA $341 Roundtrip, found 4 days ago
CA $341
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 24 from Vancouver to St. Louis, returning Sat, Oct 10, priced at CA $341 found 4 days ago
Air Canada
Tue, Oct 6 - Wed, Oct 28
YVR
Vancouver
STL
St. Louis
CA $346 Roundtrip, found 6 days ago
CA $346
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Oct 6 from Vancouver to St. Louis, returning Wed, Oct 28, priced at CA $346 found 6 days ago
Alaska Airlines
Wed, Oct 7 - Tue, Oct 27
YVR
Vancouver
STL
St. Louis
CA $517 Roundtrip, found 4 days ago
CA $517
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Vancouver to St. Louis, returning Tue, Oct 27, priced at CA $517 found 4 days ago

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

April is typically the cheapest month to fly

From CA $248 - CA $348 per traveller.

Frequently asked questions

What is the name of St. Peters' airport?
St. Peters is served by a single airport, Lambert-St. Louis Intl. Airport (STL).
How far is Lambert Field from central St. Peters?
It's 23 kilometres from Lambert Field to downtown St. Peters. Make things easy by researching the best way of getting from the terminal to the city centre before you land.
What airport is best to fly into St. Peters?
Make your way through the doors of Lambert-St. Louis Intl. Airport (STL) and your St. Peters adventure will have begun! The city's main airport, it's located 23 kilometres from the centre of town.
How many airlines fly to St. Peters?
St. Peters is serviced by 12 air carriers from at least 61 airports across the globe.
Which airlines fly to St. Peters?
United Airlines and American Airlines are some of the leading airlines that offer flights to St. Peters. Most travellers use Chicago to set off from with United Airlines flying this route the most.
How many nonstop flights are there to St. Peters?
With 1,206 direct flights operating every week, you'll be arriving in St. Peters before you can ask, "Are we there yet?"
Where are the most popular flights to St. Peters departing from?
Flights to St. Peters from Chicago, Dallas and New York airports are always popular.
How long is the flight to St. Peters Airport?
If you're heading to St. Peters from Chicago, you'll have a flight time of 1 hour and 22 minutes. Those setting off from Dallas can expect to be in the air for 1 hour and 43 minutes. From New York it's 3 hours and 1 minute away.
How to book the cheapest flight to St. Peters?
If you want to have some extra spending money on your trip to St. Peters, then listen up! As any experienced jet-setter will tell you, don't book at the very last minute. Prices are often highest close to the departure date. Don't stop there, however. Do some research and find out if there are multiple airports at your destination. Ticket prices often differ depending on which airport you use. Make sure you compare fares across air carriers as well. Lastly, be ready to lock in your seat quickly if you find an irresistible price. It might not be available for too long! With a bit of knowledge and a little good fortune, the perfect airfare can be yours.
Do you have any tips for my flight to St. Peters?
We've pulled together all the info you need to make your journey an enjoyable experience. Follow our tips and you'll be speeding through airport security and discovering St. Peters in next to no time. What to pack in your hand luggage:

  • The secret to having a pain-free flight experience is to be prepared. So, let's start with the essentials: passport, travel documents, cash and vital medications. Next, bring items that'll help pass the time, like some electronic devices or a good read. It's also wise to pack your chargers, a neck pillow and a pair of earphones. And of course, don't forget to pop in toiletries like a toothbrush, cleansing wipes and a fresh change of clothes.

Do not pack the following items in your hand luggage:

  • While the list of banned items differs between air carriers, the general rule to follow is avoid carrying anything sharp, flammable or explosive. This includes things like tools, metal cutlery, fuels and bleaching agents. Sporting equipment like ice skates, and objects that could harm passengers, such as firearms and swords, can't come on board with you either.

What to wear on a flight:

  • Your main aim is to feel as comfortable as you can. Go for shoes that are easy to slip on and off, dress in loose, natural-fibre clothing and don't forget to take a pullover in case it gets cold in the cabin.
  • Deep vein thrombosis (DVT) can pose a risk on long-distance flights. It results from blood clots forming due to poor circulation and inactivity, so do some gentle foot and leg exercises in your seat and consider wearing compression socks or tights.

How to get through airport security fast when flying to St. Peters?
A little pre-planning before you arrive at the airport will help make your trip to St. Peters easy and painless. We've compiled some handy tips and tricks for a swift journey past security:

  • Security personnel first need to determine that you have a valid ID and boarding pass before anything else. Have them close by, ready for inspection.
  • The X-ray machine is up next. Remove anything metal on you that is likely to set off the scanner's alarm. This includes items like headphones or earphones, as well as heavy jackets or coats. They'll need to be placed on the conveyor belt for screening.
  • For just a few minutes, you'll need to unplug from technology. Your phone, laptop and any other electronic gadgets also need to go through the scanner.
  • Can't travel without your favourite cologne? No problem. As long as the volume is no larger than 3.4 ounces (100 millilitres) and it's stored in a zip-lock bag, you're allowed to bring it with you in your carry-on.
  • Choosing your footwear wisely can save you several valuable minutes. Hiking or heavy-style boots are often required to be removed and X-rayed separately. Lightweight sneakers are usually not.
  • Airlines will not allow any sharp items or pocket knives to come on board with you. If you need to bring these kinds of items, put them in your checked luggage.

Book with confidence

Expedia.ca gives you the best tools to secure great deals on flights to St. Peters. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to St. Peters. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to St. Peters.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your St. Peters flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to St. Peters.

Looking to save even more? Get additional savings by bundling your St. Peters flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your St. Peters trip!

Travel information

Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
CA $305

Trending flights to St. Peters

Prices were available within the past 7 days and start at CA $154 for one-way flights and CA $305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 24 - Sat, Oct 10
YVR
Vancouver
STL
St. Louis
CA $341 Roundtrip, found 4 days ago
CA $341
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 24 from Vancouver to St. Louis, returning Sat, Oct 10, priced at CA $341 found 4 days ago

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