Cheap flights from St. Louis (STL) to Washington, D.C. (WAS) from $45
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 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
The best prices from Lambert-St Louis to Washington, D.C. are usually found in January or December, booked 62 days in advance, depart on a Wednesday or Friday and return on a Saturday
Cheap flight deals from St. Louis to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Mayıs 7, 2024.
Popular in | June |
|---|---|
Cheapest in | January |
Round-trip from | $234 |
One-way from | $105 |
What is the cheapest day to fly round-trip from St. Louis to Washington, D.C.?
Flights from St. Louis to Washington, D.C. are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..
How far in advance should I book a flight from St. Louis to Washington, D.C.?
Travelers have found it’s best to book a flight 53 days in advance to save up to 96% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Washington, D.C. 1-2 weeks in advance for as low as $310, or $462 for flights within the next 24 hours.
What is the cheapest month to fly from St. Louis to Washington, D.C.?
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from St. Louis in January are about $278 on average during January, but can be found for as low as $108.
When is the cheapest time to fly from St. Louis to Washington, D.C. (STL - WAS)?
It’s typically best to fly out from St. Louis to Washington, D.C. in the evening. Doing so could potentially save you 46% on the flight price compared to flying at noon, which is usually more expensive.
Cheap United Airlines flights from St. Louis to Washington, D.C.
Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from St. Louis to Washington, D.C.. Come back soon if you're not finding the exact deal you're looking for.
If you’re traveling from St. Louis to Washington, D.C., one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $379.08 RT. This price is typically 57% more expensive than other airlines that offer St. Louis to Washington, D.C. flights. When booking this route, the cheapest RT price found was $196. The most popular departure airport in St. Louis when flying to Washington, D.C. is Lambert-St Louis Airport. The most popular airport to fly into when visiting Washington, D.C. is Washington, D.C. Dulles Intl Airport. When flying from St. Louis to Washington, D.C., United Airlines flights are 6% more popular than any other airline flying that same route.
Cheap Delta flights from St. Louis to Washington, D.C.
Explore cheap flight options specifically provided by Delta for the route between St. Louis and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Take a gander at the lowest prices we've found on Delta flights from St. Louis to Washington, D.C.. Check back soon if you're not seeing flights that suit your needs.
One of the most popular airlines traveling from St. Louis to Washington, D.C. is Delta. Flights from Delta traveling this route typically cost $352.45 RT. This price is typically 53% cheaper than other airlines that offer St. Louis to Washington, D.C. flights. When booking this route, the cheapest RT price found was $192. Lambert-St Louis Airport is the most common St. Louis airport to take off from when flying to Washington, D.C.. Washington, D.C. Dulles Intl Airport is the most popular arrival airport in Washington, D.C.. When flying from St. Louis to Washington, D.C., Delta flights are 4% more popular than any other airline flying that same route.
Cheap St. Louis to Washington, D.C. flights in May & June 2024
Find cheap flight options from St. Louis to Washington, D.C. specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on Mayıs 7, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Washington, D.C. in 2024. For more flight deals, be sure to check back very soon.
St. Louis to Washington, D.C. 2024 flight deals
Discover exclusive flight deals for travel between St. Louis and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Washington, D.C. in 2024. For more flight deals, be sure to check back very soon.
Non-stop flights to Washington, D.C. from St. Louis
Discover non-stop flight options from St. Louis to Washington, D.C.. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
To help reduce your travel time, choose from one of these non-stop flights from St. Louis to Washington, D.C.. Those looking to potentially save on 1 or 2-stop flights from St. Louis to Washington, D.C. should utilize the search form at the the top of the page.
St. Louis to Washington, D.C. flights leaving soon
Find last-minute flight options from St. Louis to Washington, D.C. for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Check out these flights departing soon from St. Louis to Washington, D.C.. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to Washington, D.C. from St. Louis
Search for one-way flight options from St. Louis to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Users in need of a one-way flight from St. Louis to Washington, D.C. can choose from these deals. Users in need of a round-trip flight from St. Louis to Washington, D.C. instead should update the search form at the top of page.
Find flights from St. Louis to Washington, D.C. within your budget
Customize your flight search to find flights from St. Louis to Washington, D.C. 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 2,689,106 searches. Data last updated Mayıs 7, 2024.
Fly from
Fly to
Budget
$122 - $265
Route
Depart
Return
Price
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Sal 6/4
1 stop8h 41m
Baltimore/Washington
Sal 6/11
1 stop6h 12m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Cmt 5/18
1 stop12h 12m
Baltimore/Washington
Sal 5/21
1 stop8h 23m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Cum 5/17
1 stop20h 01m
Baltimore/Washington
Pzt 5/20
1 stop23h 30m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Cum 5/17
1 stop11h 46m
Baltimore/Washington
Pzt 5/20
1 stop23h 30m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Cmt 5/18
1 stop12h 12m
Baltimore/Washington
Pzt 5/20
1 stop23h 30m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Sal 6/4
Nonstop1h 59m
Washington, D.C. Reagan-National
Sal 6/11
Nonstop2h 28m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Çar 5/29
1 stop4h 27m
Washington, D.C. Reagan-National
Per 5/30
1 stop7h 16m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
Cum 8/30
1 stop5h 55m
Washington, D.C. Dulles Intl
Paz 9/1
1 stop4h 57m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
Cum 5/24
1 stop25h 17m
Washington, D.C. Dulles Intl
Paz 5/26
1 stop5h 55m
When is the best time to book a flight from St. Louis to Washington, D.C.?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Washington, D.C.. Price data was last updated on May 3, 2024.
Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
When is the cheapest time to fly from St. Louis to Washington, D.C.?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Washington, D.C.. Price data was last updated on May 5, 2024.
Average price of flights to Washington, D.C. by month
Plan your trip from St. Louis to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Washington, D.C. is currently $69 while a round-trip flight costs $168. Price data was last updated on April 28, 2024.
Currently, September is the cheapest month in which you can book a flight from St. Louis to Washington, D.C. (average of $279). Flying from St. Louis to Washington, D.C. in June is currently the most expensive (average of $395). 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
$308
February
$303
March
$358
April
$337
May
$339
June
$395
July
$376
August
$297
September
$279
October
$303
November
$328
December
$292
Temperature and rainfall in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.
WAS Temperature | 35.6 - 80.6 °F |
|---|
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated Mayıs 7, 2024.
Peruse reviews from past customers who have flown with United Airlines, Delta and American Airlines from St. Louis to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Washington, D.C.See prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to Washington, D.C.
Discover the top 5 airlines that operate flights from St. Louis to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated Mayıs 7, 2024.
Search flights from St. Louis to Washington, D.C. by cabin class
Find flights from St. Louis to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from St. Louis to Washington, D.C.
Find hourly flight availability from St. Louis to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Mayıs 7, 2024.
| 9%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 56%of flight departures | Morning6 am to noon |
| 25%of flight departures | AfternoonNoon to 6 pm |
| 10%of flight departures | Evening6 pm to midnight |
Weekly flight availability from St. Louis to Washington, D.C.
Explore weekly flight availability from St. Louis to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated Mayıs 7, 2024.
| Sunday | 10daily flights |
|---|---|
| Monday | 13daily flights |
| Tuesday | 12daily flights |
| Wednesday | 13daily flights |
| Thursday | 12daily flights |
| Friday | 13daily flights |
| Saturday | 10daily flights |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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Can Cheapflights find flights from St. Louis to Washington, D.C. with no change fees?
Need flexible booking options for your flight to Washington, D.C. from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from St. Louis to Washington, D.C. become cheaper?
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