SEA - STL Price | C$ 299 - C$ 593 |
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STL Temperature | 0 - 27 °C |
STL Rainfall | 56 - 119 mm |
Popular in | June | High demand for flights, 29% potential price rise |
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Cheapest in | April | Best time to find cheap flights, 29% potential price drop |
Average price | C$ 481 | Average for round-trip flights in March 2023 |
Round-trip from | C$ 411 | From Seattle/Tacoma Intl to Lambert-St Louis |
Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 219% 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 44 days before your planned departure. Booking around this time can save you about 60% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 657 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 893.
The best pricing can be found in the month of April. Prices to St. Louis from Seattle average C$ 579. You can even find prices in April for less than C$ 579, as users have found deals to St. Louis from as low as C$ 272. The month of June 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 40%.
A simple way to save on the total cost of your ticket is to fly from Seattle to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.
Direct flights are available for this route on the following days: Monday, Wednesday.
Flights from Seattle/Tacoma Intl to Lambert-St Louis have been viewed 11 times in the past calendar month.
Per day, 5 flights depart from Seattle to St. Louis on average.
Evening (6pm - Midnight) - 100% of flight departures
The top 3 most reliable airlines when flying from Seattle to St. Louis are Qatar Airways (97%), Japan Airlines (96%) and American Airlines (94%).
Great question - SEA to STL just means Seattle/Tacoma Intl Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!
1%of flight departures | Early morningMidnight to 6 am |
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58%of flight departures | Morning6 am to noon |
41%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 7daily flights |
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Monday | 3daily flights |
Tuesday | 3daily flights |
Wednesday | 7daily flights |
Thursday | 9daily flights |
Friday | 3daily flights |
Saturday | 3daily flights |