Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from St Louis to Washington?

Cheap Flights from Washington to St Louis, MO, United States - WAS to STL Last modified: Jul 24, 2016 2:00 AM

Popular flights from Washington to St Louis Last modified: Jul 24, 2016 2:00 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American
WASSTL
Tue 8/23
nonstop
STLWAS
Tue 8/30
nonstop
$203
Select
American
WASSTL
Tue 8/23
nonstop
STLWAS
Sat 8/27
nonstop
$203
Select
American
WASSTL
Wed 8/24
nonstop
STLWAS
Sat 8/27
nonstop
$203
Select
American
WASSTL
Thu 8/25
nonstop
STLWAS
Thu 9/1
nonstop
$203
Select
American
WASSTL
Sat 8/27
nonstop
STLWAS
Tue 8/30
nonstop
$203
Select
United
WASSTL
Tue 8/23
nonstop
STLWAS
Sat 8/27
nonstop
$203
Select
United
WASSTL
Tue 8/23
nonstop
STLWAS
Tue 8/30
nonstop
$203
Select
United
WASSTL
Wed 8/24
nonstop
STLWAS
Sat 8/27
nonstop
$203
Select
United
WASSTL
Thu 8/25
nonstop
STLWAS
Wed 8/31
nonstop
$203
Select
United
WASSTL
Sat 8/27
nonstop
STLWAS
Tue 8/30
nonstop
$203
Select
Alaska
WASSTL
Tue 8/16
nonstop
STLWAS
Fri 9/2
nonstop
$325
Select
Alaska
WASSTL
Tue 8/16
nonstop
STLWAS
Thu 9/1
nonstop
$325
Select
Alaska
WASSTL
Wed 8/17
nonstop
STLWAS
Fri 8/19
nonstop
$325
Select
Alaska
WASSTL
Wed 8/17
nonstop
STLWAS
Fri 8/26
nonstop
$325
Select
Alaska
WASSTL
Thu 8/18
nonstop
STLWAS
Mon 8/22
nonstop
$325
Select

How Much Does it Cost to Fly from Washington to St Louis (WAS to STL)?

We have collected flight cost data from across the web for travel from Washington to St Louis, and have found the average flight price for this trip to be $212.

When Can I Buy the Cheapest Flight from Washington to St Louis (WAS to STL)?

Airlines can adjust prices for plane tickets from Washington to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Washington to St Louis

The chart below shows up-to-date information regarding how far in advance a flight from Washington to St Louis should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $544 $537
7-14 days $365 $369
14-21 days $335 $339
21-30 days $203 $210
30-60 days $203 $210
60-90 days $203 $207
90+ days $203 $207

Cheapest Day To Fly from Washington to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Washington to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$203 $203 $203 $203 $264 $203 $203

Lowest Fares Chart By Month from Washington to St Louis

The chart below shows the lowest fare by month when flying from Washington to St Louis.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July Washington St Louis United 7/31/16 8/7/16 0 $522
August Washington St Louis American 8/23/16 8/27/16 0 $203
September Washington St Louis American 9/1/16 9/4/16 0 $203
October Washington St Louis American 10/6/16 10/8/16 0 $203
November Washington St Louis United 11/16/16 11/24/16 0 $203
December Washington St Louis American 12/8/16 12/12/16 0 $203
January Washington St Louis American 1/27/17 1/29/17 0 $325
February Washington St Louis United 2/17/17 2/20/17 1 $333

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Washington to St Louis

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Washington to St Louis.

Next 30 Days

SunMonTueWedThuFriSat
24 25 26 27 28 29 30
$573
31 1 2 3 4 5 6
$573 $375
7 8 9 10 11 12 13
$375 $355
14 15 16 17 18 19 20
$355 $264
21 22 23 24 25 26 27
$264 $203
28 29 30 31 1 2 3
$203
TIPSave $155 by flying into Springfield instead of St Louis from Washington

Non-Stop vs Connecting Flights from Washington to St Louis (WAS to STL)

Your Washington to St Louis flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Washington to St Louis is $347.

The average price for non-stop flights from Washington to St Louis is $243.

The chart below shows up to date information regarding non-stop flights from Washington to St Louis.

Nonstop Flight Details from Washington to St Louis
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 5 5 5 5 5 3 4 08:30 19:32
United 4 4 4 4 4 4 4 08:30 22:01

Washington to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Washington to St Louis?
Answer: The average Washington to St Louis flight time is 2 hours and 20 minutes.
Question: How many miles are there between Washington and St Louis?
Answer: The distance from Washington to St Louis is 694 miles.
Question: How common are direct flights from Washington to St Louis?
Answer: There are 55 direct flights from Washington to St Louis.
Question: What is the most popular airline for non-stop flights from Washington to St Louis?
Answer: United Airlines provides 50% of the non-stop flights between Washington and St Louis.
Question: What are the most popular connecting cities when flying from Washington to St Louis?
Answer: Atlanta, GA

Airports for Your Route

These pages contain information about the major airports in Washington and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Washington - WAS

FlightsAirlineLowest Price
Washington to Chicago American, Alaska, Frontier, United $82
Washington to Atlanta American, JetBlue, United $127
Washington to Dallas - Ft Worth American, Alaska, United, Virgin America $98
Washington to New York American, JetBlue, United $107

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Baltimore to St Louis American, Alaska, United $217
Philadelphia to St Louis American, Alaska, United $331
Newark to St Louis American, Alaska, United $199
Pittsburgh to St Louis American, Alaska, United $174
Norfolk to St Louis American, Alaska, United $267
Richmond to St Louis American, Alaska, United $240
Newport News to St Louis American $317
Charlottesville to St Louis American, United $291
Harrisburg to St Louis American, Alaska, United $363
Roanoke to St Louis American, United $271
State College to St Louis American, United $352
Allentown - Bethlehem - Easton to St Louis American, United $226
Wilkes - Barre to St Louis American, United $312
Lynchburg to St Louis American $337
Atlantic City to St LouisCheck Dates
Salisbury - Ocean City to St Louis American $412
Staunton to St LouisCheck Dates
Philadelphia to Chicago American, Alaska, Frontier, United $117
Newark to Chicago American, Alaska, JetBlue, United $117
Baltimore to Chicago American, Spirit, United $82
Philadelphia to Atlanta American, Frontier, Spirit, United $87
Baltimore to Atlanta American, Spirit $81
Newark to Atlanta American, Alaska, United $144
Philadelphia to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $98
Pittsburgh to Chicago American, Alaska, Frontier, United $77
Baltimore to Dallas - Ft Worth American, JetBlue, Spirit, United $81
Cheap Flights from Washington to St Louis, MO, United States, from $203 Round trip from WAS to STL