
Book Cheap Delta flight from Toronto (YYZ) to St. Louis (STL) from CA $314
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Cheapest Delta Flights from Toronto (YYZ) to St. Louis (STL)
The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were CA $542 round trip and CA $314 one way. Prices and availability subject to change. Additional terms may apply.
STL From YYZ Economy Coach Packages on Similar Airlines



Frequently asked questions
Grab a great Delta flight from YYZ to STL
To find a great deal on Delta flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Delta Toronto to St. Louis gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Delta between Toronto and St. Louis
Delta has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Toronto to St. Louis with Delta are December.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Delta flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
| DTW | USA | Detroit Metropolitan Wayne County | 156 |
| MSP | USA | Minneapolis - St. Paul Intl. | 131 |
| SLC | USA | Salt Lake City Intl. | 116 |
| SEA | USA | Seattle - Tacoma Intl. | 57 |
| LAX | USA | Los Angeles Intl. | 41 |
| AMS | NLD | Schiphol | 31 |
| YYC | CAN | Calgary Intl. | 26 |
| YYZ | CAN | Pearson Intl. | 24 |
| JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to St. Louis

Pear Tree Inn St. Louis Airport
Love it will book again
Reviewed on Nov 8, 2025

Renaissance St. Louis Airport Hotel
It was great
Reviewed on Nov 7, 2025

Wingate by Wyndham St. Louis Airport
Unfortunately room was a bit dated. Carpet needed replacement & desk was noticeably dinged up/worn. Stayed here in June on 3rd floor & room was better maintained. Was on 5th this time.
Reviewed on Nov 6, 2025
Want more than a(n) Delta Flight from Toronto to St. Louis?
Popular Delta Flight Routes from YYZ
Domestic
- Toronto to London (YYZ - LHR)
- Toronto to Dubai (YYZ - DXB)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Istanbul (YYZ - IST)
- Toronto to New York (YYZ - JFK)
- Montreal to Cancun (YUL - CUN)
- Vancouver to Delhi (YVR - DEL)
- Calgary to Delhi (YYC - DEL)
- Seattle to Delhi (SEA - DEL)
- Toronto to New York (YYZ - LGA)
International
- Seattle to Delhi (SEA - DEL)
- Montreal to Cancun (YUL - CUN)
- Toronto to Dubai (YYZ - DXB)
- Calgary to Delhi (YYC - DEL)
- Toronto to Delhi (YYZ - DEL)
- Montreal to Casablanca (YUL - CMN)
- Toronto to New York (YYZ - JFK)
- Montreal to Paris (YUL - CDG)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Lisbon (YYZ - LIS)
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- Flights from Kitchener (YKF) to Vancouver (YVR)
- Flights from Seattle (SEA) to Delhi (DEL)
