Popular in | July |
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Cheapest in | January |
Average price | C$ 499 |
Round-trip from | C$ 500 |
Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 139% on your flight compared to booking on days when demand is much higher.
To save on the cost of your flight from Seattle to St. Louis, book at least 49 days before your planned departure. Booking around this time can save you about 49% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 405 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 437.
The best pricing can be found in the month of January. Prices to St. Louis from Seattle average C$ 471. You can even find prices in January for less than C$ 471, as users have found deals to St. Louis from as low as C$ 212. The month of July appears to be one of the more expensive times to travel to St. Louis from Seattle. Flying in the targeted month can save you up to 29%.
A simple way to save on the total cost of your ticket is to fly from Seattle to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.
Currently, January is the cheapest month in which you can book a flight from Seattle to St. Louis (average of C$ 365). Flying from Seattle to St. Louis in July is currently the most expensive (average of C$ 554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
C$ 499
February
C$ 549
March
C$ 612
April
C$ 568
May
C$ 588
June
C$ 649
July
C$ 758
August
C$ 619
September
C$ 620
October
C$ 655
November
C$ 551
December
C$ 520
STL Temperature | 0 - 27 °C |
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1%of flight departures | Early morningMidnight to 6 am |
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36%of flight departures | Morning6 am to noon |
63%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 9daily flights |
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Monday | 8daily flights |
Tuesday | 4daily flights |
Wednesday | 8daily flights |
Thursday | 4daily flights |
Friday | 8daily flights |
Saturday | 3daily flights |
Cheapflights helps you search for flights from Seattle to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
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