Rp 1,254,175 Cheap Flights from Boston to St. Louis
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Flights from Boston to St. Louis
Cheap flight deals from Boston to St. Louis
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
BOS 11:463h 4mNonstopSTL 13:50Boston - St. Louis | Sat, May 24 | American Airlines
STL 14:202h 44mNonstopBOS 18:04St. Louis - Boston | Sun, May 25 | American AirlinesRp 5,120,636 Rp 6,453,11621% OFF21% OFFRp 6,453,116 Rp 5,120,636 -
BOS 06:303h 10mNonstopSTL 08:40Boston - St. Louis | Wed, May 7 | American Airlines
STL 14:202h 44mNonstopBOS 18:04St. Louis - Boston | Wed, May 7 | American AirlinesRp 5,291,555 Rp 6,453,11618% OFF18% OFFRp 6,453,116 Rp 5,291,555
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BOS 15:519h1 stopsSTL 23:51Boston - St. Louis | Wed, May 7 | American Airlines
STL 05:009h 10m1 stopsBOS 15:10St. Louis - Boston | Thu, May 8 | American AirlinesRp 3,127,353 Rp 6,453,11652% OFF52% OFFRp 6,453,116 Rp 3,127,353
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BOS 09:055h 14m1 stopsSTL 13:19Boston - St. Louis | Thu, May 29 | Delta Air Lines
STL 14:154h 30m1 stopsBOS 19:45St. Louis - Boston | Tue, Jun 3 | Delta Air LinesRp 3,372,18348% OFFRp 6,453,116 Rp 3,372,183 -
BOS 05:0010h 53m1 stopsSTL 14:53Boston - St. Louis | Thu, May 1 | American Airlines
STL 06:459h 3m1 stopsBOS 16:48St. Louis - Boston | Mon, May 5 | American AirlinesRp 3,416,06747% OFFRp 6,453,116 Rp 3,416,067
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BOS 12:007h 2m1 stopsSTL 18:02Boston - St. Louis | Wed, Jun 4 | Delta Air Lines
STL 19:055h 1m1 stopsBOS 01:06St. Louis - Boston | Mon, Jun 9 | Delta Air LinesRp 3,420,68747% OFFRp 6,453,116 Rp 3,420,687
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BOS 05:304h 58m1 stopsSTL 09:28Boston - St. Louis | Tue, Apr 29 | Delta Air Lines
STL 13:465h 4m1 stopsBOS 19:50St. Louis - Boston | Tue, Apr 29 | Delta Air LinesRp 3,439,16447% OFFRp 6,453,116 Rp 3,439,164
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BOS 10:458h 17m1 stopsSTL 18:02Boston - St. Louis | Tue, May 6 | Delta Air Lines
STL 06:006h 19m1 stopsBOS 13:19St. Louis - Boston | Wed, May 14 | Delta Air LinesRp 3,506,14646% OFFRp 6,453,116 Rp 3,506,146
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BOS 09:106h 25m1 stopsSTL 14:35Boston - St. Louis | Wed, May 21 | Delta Air Lines
STL 06:006h 19m1 stopsBOS 13:19St. Louis - Boston | Wed, May 28 | Delta Air LinesRp 3,506,14646% OFFRp 6,453,116 Rp 3,506,146
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BOS 08:057h 30m1 stopsSTL 14:35Boston - St. Louis | Tue, May 20 | Delta Air Lines
STL 06:006h 19m1 stopsBOS 13:19St. Louis - Boston | Wed, May 28 | Delta Air LinesRp 3,510,76646% OFFRp 6,453,116 Rp 3,510,766
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BOS 10:456h 41m1 stopsSTL 16:26Boston - St. Louis | Wed, Apr 30 | Delta Air Lines
STL 07:106h 40m1 stopsBOS 14:50St. Louis - Boston | Tue, May 6 | Delta Air LinesRp 3,533,86345% OFFRp 6,453,116 Rp 3,533,863
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BOS 08:0017h 6m1 stopsSTL 00:06Boston - St. Louis | Sat, May 10 | Frontier Airlines
STL 05:009h 10m1 stopsBOS 15:10St. Louis - Boston | Tue, May 13 | American AirlinesRp 3,573,12845% OFFRp 6,453,116 Rp 3,573,128 -
BOS 13:0017h 25m1 stopsSTL Invalid DateBoston - St. Louis | Sun, Apr 27 | Normal Airline
STL 15:006hNonstopBOS 16:00St. Louis - Boston | Tue, Apr 29 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
BOS 06:303h 12mNonstopSTL 08:42Boston - St. Louis | Fri, Apr 25 | American AirlinesRp 2,630,764 Rp 3,253,31719% OFF19% OFFRp 3,253,317 Rp 2,630,764
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BOS 11:463h 4mNonstopSTL 13:50Boston - St. Louis | Wed, May 14 | American AirlinesRp 2,667,720 Rp 3,253,31718% OFF18% OFFRp 3,253,317 Rp 2,667,720
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BOS 06:0019h 6m1 stopsSTL 00:06Boston - St. Louis | Fri, May 2 | Frontier AirlinesRp 1,254,175 Rp 3,253,31761% OFF61% OFFRp 3,253,317 Rp 1,254,175
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BOS 06:0019h 4m1 stopsSTL 00:04Boston - St. Louis | Tue, Apr 29 | Frontier AirlinesRp 1,452,81055% OFFRp 3,253,317 Rp 1,452,810
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BOS 08:0017h 6m1 stopsSTL 00:06Boston - St. Louis | Tue, May 6 | Frontier AirlinesRp 1,630,65850% OFFRp 3,253,317 Rp 1,630,658
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BOS 06:0019h 4m1 stopsSTL 00:04Boston - St. Louis | Wed, Apr 30 | Frontier AirlinesRp 1,630,65850% OFFRp 3,253,317 Rp 1,630,658
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BOS 08:0017h 6m1 stopsSTL 00:06Boston - St. Louis | Sat, May 10 | Frontier AirlinesRp 1,642,20750% OFFRp 3,253,317 Rp 1,642,207
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BOS 05:069h 1m1 stopsSTL 13:07Boston - St. Louis | Wed, Jun 4 | American AirlinesRp 1,644,51749% OFFRp 3,253,317 Rp 1,644,517
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BOS 05:0010h 53m1 stopsSTL 14:53Boston - St. Louis | Thu, May 1 | American AirlinesRp 1,651,44649% OFFRp 3,253,317 Rp 1,651,446
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BOS 07:0010h 15m1 stopsSTL 16:15Boston - St. Louis | Tue, Apr 29 | American AirlinesRp 1,651,44649% OFFRp 3,253,317 Rp 1,651,446
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BOS 15:006h 51m1 stopsSTL 20:51Boston - St. Louis | Tue, Apr 29 | Delta Air LinesRp 1,686,09148% OFFRp 3,253,317 Rp 1,686,091
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BOS 05:304h 58m1 stopsSTL 09:28Boston - St. Louis | Thu, May 1 | Delta Air LinesRp 1,686,09148% OFFRp 3,253,317 Rp 1,686,091
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BOS 13:0017h 25m1 stopsSTL Invalid DateBoston - St. Louis | Sun, Apr 27 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Boston (BOS) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Boston to St. Louis 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 Boston (BOS) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around Rp 5,674,967. -
How long does it take to fly from Boston (BOS) to St. Louis (STL) and what is the distance?
It takes around 3 hours 7 minutes to fly from Boston (BOS) to St. Louis (STL). -
What are the most popular airlines that fly from Boston (BOS) to St. Louis (STL)?
Airlines with flights from Boston (BOS) to St. Louis (STL): American Airlines and Southwest Airlines.
How to find a cheap flight from Boston to St. Louis
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to St. Louis. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Boston to St. Louis ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Boston to St. Louis for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 2630764 for a one-way ticket on Fri, Apr 25.
Compare cheap Boston to St. Louis flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Boston to St. Louis. The most affordable airline currently operating on this route is American Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Boston to St. Louis route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Boston to St. Louis flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Boston to St. Louis to access exclusive deals just for you.
Flight Info | Boston to St. Louis
| Cheapest one-way flight price | Rp 1,254,174 |
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| Cheapest round-trip ticket price | Rp 4,665,622 |
| Off-season for travel | March |
| Peak season for travel | January |
| Flight distance | 1,670.94 km |
| Average flight time | 3 hours 7 minutes |
| Popular airline | American Airlines |
Plan Your Trip Around St. Louis
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