>>>>
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Book flight tickets from St. Louis to Washington D.C. starting at INR 5,092

Whether you’re going for a one-way or round-trip to Washington D.C., we’ve got you covered! Check out these different flight options from St. Louis below.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Washington D.C.

Explore the best time to buy affordable tickets to Washington D.C. with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from St. Louis to Washington D.C.

Which airline provides the cheapest flights from St. Louis to Washington D.C.? Discover the option that best suits your travel needs before embarking on your journey.

American Airlines
From INR 5,092
Frontier Airlines
From INR 5,187
Delta Air Lines
From INR 7,043
United Airlines
From INR 7,959
Spirit Airlines
From INR 9,720
Avelo Airlines
From INR 10,576
Sun Country Airlines
From INR 11,921
Alaska Airlines
From INR 18,785
Southwest Airlines
From INR 31,039
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Washington D.C.

There are various non-direct routes from St. Louis to Washington D.C. which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    American Airlines
    STL
    09:59
    2h 0m
    Direct
    DCA
    12:59
    St.Louis Lambert International Airport - Ronald Reagan Washington National Airport
    Wed, Dec 4American Airlines
    INR 5,092
  • Delta Air Lines
    STL
    17:16
    5h 51m
    1 transfer
    IAD
    00:07
    St.Louis Lambert International Airport - Washington Dulles International Airport
    Tue, Oct 29Delta Air Lines
    INR 7,043
  • Delta Air Lines
    STL
    17:16
    5h 51m
    1 transfer
    IAD
    00:07
    St.Louis Lambert International Airport - Washington Dulles International Airport
    Tue, Oct 29Delta Air Lines
    INR 7,043
    Find More Flights

FAQ

  • When are flight tickets from St. Louis (STL) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from St. Louis (STL) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around INR 26,601.
  • How long does it take to fly from St. Louis (STL) to Washington D.C. (WAS) and what is the distance?

    It takes around 2 hours 26 minutes to fly from St. Louis (STL) to Washington D.C. (WAS).
  • What are the most popular airlines that fly from St. Louis (STL) to Washington D.C. (WAS)?

    Airlines with flights from St. Louis (STL) to Washington D.C. (WAS): Southwest Airlines, Brussels Airlines, Copa Airlines, United Airlines, Lufthansa, American Airlines and avianca.

How to find a cheap flight from St. Louis to Washington D.C.

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Washington D.C.

Cheapest nonstop flight price

INR 5,091

Cheapest round-trip ticket price

INR 11,718

Off-season for travel

September

Peak season for travel

January

Flight distance

1,139.76 km

Average flight time

2 hours 26 minutes

Popular airline

American Airlines