Cheap flights from Fredericton to St. Louis from C$ 633
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
YFC — STL
9 Dec — 16 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Fredericton to St. Louis
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Fredericton to St. Louis
Explore the most affordable flight options available from Fredericton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.
Wed 11/115:40 a.m. -
2 stops8h 30m
Thu 26/116:00 a.m. -
2 stops14h 00m
Deal found 7/11C$ 1,914
Wed 11/115:40 a.m. -
2 stops12h 37m
Thu 26/114:05 p.m. -
1 stop5h 53m
Deal found 7/11C$ 2,038
Best flights from Fredericton to St. Louis
Discover carefully curated flight deals from Fredericton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.
Thu 6/56:35 a.m. -
2 stops12h 05m
Sat 8/58:15 a.m. -
1 stop7h 12m
Deal found 8/11C$ 1,373
Last-minute flights from Fredericton to St. Louis
Discover last-minute flight deals from Fredericton to St. Louis. Data last updated 9 November 2026 and is based on user searches.
Wed 11/115:40 a.m. -
2 stops8h 30m
Thu 26/116:00 a.m. -
2 stops14h 00m
Deal found 7/11C$ 1,914
Wed 11/115:40 a.m. -
2 stops12h 37m
Thu 26/114:05 p.m. -
1 stop5h 53m
Deal found 7/11C$ 2,038
One-way flights from Fredericton to St. Louis
Search for one-way flight options from Fredericton to St. Louis. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.
Wed 23/127:00 a.m. -
3 stops32h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 633
Wed 23/125:40 a.m. -
1 stop11h 46m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 787
Find flight deals from Fredericton to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Fredericton (YFC) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 November 2026.
Customize your flight search to find flights from Fredericton to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 9 November 2026.
Use the filters below to find and compare flights from Fredericton to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
FrederictonSt. Louis
YFC Fredericton - STL Lambert-St Louis
YFCSTL
Fredericton
Wed 23/12
2:20 p.m.-12:41 a.m.
2 stops12h 21m
Lambert-St Louis
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 719
Quickest round-trip
FrederictonSt. Louis
YFC Fredericton - STL Lambert-St Louis
YFCSTL
Fredericton
Wed 23/12
5:40 a.m.-3:26 p.m.
1 stop11h 46m
Lambert-St Louis
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 787
FrederictonSt. Louis
YFC Fredericton - STL Lambert-St Louis
YFCSTL
Fredericton
Thu 6/5
6:35 a.m.-4:40 p.m.
2 stops12h 05m
Lambert-St Louis
Sat 8/5
8:15 a.m.-5:27 p.m.
1 stop7h 12m
C$ 1,373
Flights are sorted by cheapest round-trip flights first.
Deals found on 8/11
Sorted by cheapest first
Best time to book a flight from Fredericton to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Fredericton with our price prediction graph.
YFC-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Fredericton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Can I find deals for flights from Fredericton to St. Louis that include hotel bookings?
Yes. In addition to deals on Fredericton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Fredericton to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fredericton to St. Louis.
Can I find deals for business class flights from Fredericton to St. Louis?
Yes. Cheapflights offers flight deals from Fredericton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Browse through other flights departing from Fredericton. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Fredericton to St. Louis?
Cheapflights makes it easy to find Fredericton to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Fredericton to St. Louis?
Cheapflights simply makes it quick and affordable to book flights from Fredericton to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Fredericton to St. Louis with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Fredericton to St. Louis flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Fredericton to St. Louis become cheaper?
Of course! You can now track prices for flights from Fredericton to St. Louis and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.