Popular in | June |
---|---|
Cheapest in | September |
Round-trip from | $323 |
One-way from | $98 |
Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.
To save on the cost of your flight from Seattle to St. Louis, book at least 51 days before your planned departure. Booking around this time can save you about 105% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $344 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $460.
September can be a great time to fly to St. Louis from Seattle with a flight ticket averaging about $381. Cheapflights users have found deals in the month of September for as cheap as $144. The most expensive prices can be found in the month of June.
When flying from Seattle to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.
One of the most popular airlines traveling from Seattle to St. Louis is Frontier. Flights from Frontier traveling this route typically cost $366.30 RT. This price is typically 37% cheaper than other airlines that offer Seattle to St. Louis flights. When booking this route, the cheapest RT price found was $170. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to St. Louis. Lambert-St Louis Airport is the most popular arrival airport in St. Louis. When flying from Seattle to St. Louis, Frontier flights are 13% more popular than any other airline flying that same route.
If you’re traveling from Seattle to St. Louis, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $504.60 RT. This price is typically 41% more expensive than other airlines that offer Seattle to St. Louis flights. When booking this route, the cheapest RT price found was $157. The most popular departure airport in Seattle when flying to St. Louis is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting St. Louis is Lambert-St Louis Airport. When flying from Seattle to St. Louis, American Airlines flights are 1% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$135 - $306
Route
Depart
Return
Price
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Tue 4/16
1 stop10h 12m
Lambert-St Louis
Tue 4/23
1 stop26h 08m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Tue 4/16
1 stop10h 12m
Lambert-St Louis
Tue 4/23
1 stop26h 08m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Tue 4/9
1 stop9h 35m
Lambert-St Louis
Tue 4/16
1 stop26h 08m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Tue 4/9
1 stop9h 35m
Lambert-St Louis
Tue 4/16
1 stop11h 46m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Fri 4/19
1 stop7h 37m
Lambert-St Louis
Thu 4/25
1 stop7h 49m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Fri 4/12
1 stop8h 16m
Lambert-St Louis
Sat 4/20
1 stop7h 08m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Sat 4/13
Nonstop3h 58m
Lambert-St Louis
Wed 4/17
Nonstop4h 20m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Wed 4/10
3 stops29h 56m
Lambert-St Louis
Mon 4/15
1 stop17h 43m
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
Thu 4/18
1 stop8h 25m
Lambert-St Louis
Tue 4/23
1 stop7h 20m
Currently, September is the cheapest month in which you can book a flight from Seattle to St. Louis (average of $323). Flying from Seattle to St. Louis in June is currently the most expensive (average of $386). 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
$326
February
$331
March
$358
April
$356
May
$358
June
$386
July
$382
August
$336
September
$323
October
$323
November
$336
December
$326
STL Temperature | 32 - 80.6 °F |
---|
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Crew
Food
Comfort
Boarding
Entertainment
Overall
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
54%of flight departures | Morning6 am to noon |
45%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 9daily flights |
---|---|
Monday | 8daily flights |
Tuesday | 4daily flights |
Wednesday | 8daily flights |
Thursday | 4daily flights |
Friday | 8daily flights |
Saturday | 3daily flights |
Cheapflights makes it easy to find Seattle 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.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Seattle.
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