$281+ Cheap flights from St. Louis (STL) to New Brunswick
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQM
apr. 5 — apr. 121
1 adult, Economy
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1. Tell us where you want to go
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One-way flights from St. Louis to New BrunswickSearch for one-way flight options from St. Louis to New Brunswick. Find affordable one-way fares based on user searches. Data last updated maart 31, 2025.
Search for one-way flight options from St. Louis to New Brunswick. Find affordable one-way fares based on user searches. Data last updated maart 31, 2025.
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/19:50 amSTL - YFC
3 stops25h 55mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$281
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/106:30 amSTL - YFC
2 stops9h 10mAir Canada
Deal found 3/30![Air Canada logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/289:39 amSTL - YFC
2 stops27h 55mUnited Airlines
Deal found 3/31![United Airlines logo]()
$439
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to New Brunswick 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 2,558,603 searches. Data last updated maart 31, 2025.
Use the filters below to find and compare flights from St. Louis to New Brunswick that are best for you.
Fly from
St. Louis
Fly to
New Brunswick
Route
Depart
Return
Price
St. LouisFredericton
STL - YFC
STLYFC
Lambert-St Louis
do 5/1
9:50 am-1:45 pm
3 stops25h 55m
$281
St. LouisFredericton
STL - YFC
STLYFC
Lambert-St Louis
za 5/10
6:30 am-5:40 pm
2 stops9h 10m
$369
St. LouisFredericton
STL - YFC
STLYFC
Lambert-St Louis
ma 4/28
9:39 am-3:34 pm
2 stops27h 55m
$439
Best time to book a flight from St. Louis to New Brunswick
Have a flexible travel schedule? Discover the best time to fly to New Brunswick from St. Louis with our price prediction graph.
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to New Brunswick
Rainfall in New Brunswick by month
Plan your trip to New Brunswick by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in New Brunswick ranges from 3.0 - 4.2 inches per month. March is typically the wettest month, when rainfall can reach 4.2 in. August is typically the driest time to visit New Brunswick when rainfall is around 3.0 in.
Temperature in New Brunswick by month
Plan your trip to New Brunswick by taking into account the average temperature totals by month.
If weather is an important factor for your trip to New Brunswick, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).
Reviews of airlines servicing New Brunswick
Get insights into the airlines that provide service to New Brunswick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Brunswick. Reviews last updated maart 31, 2025.
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.0
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.0
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.0
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE