Cheap Flights from Newburgh (SWF) to St. Louis (STL)

Popular airlines from Stewart Intl. Airport (SWF) to St. Louis Lambert Intl. Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from SWF to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SWF to STL?
The cheapest flights from SWF to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SWF to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SWF to STL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL)?
You’ll need to catch a flight with a layover if you’re traveling from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SWF to STL?
Generally you’ll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from SWF to STL just before your trip is generally more expensive. However, if there’s some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SWF to STL flight and hotel package?
Opting for a SWF to STL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Stewart Intl. Airport (SWF) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you can cancel or reschedule your SWF to STL flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you need further details, head to our Customer Service portal.
*Available to One Key members.