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Cheap flight deals from Boston to St. Louis Starting at SGD 66

For as little as SGD 66, you can take your next adventure to St. Louis without breaking the bank. Choose between one-way and return tickets from Boston below.

  • One way
  • Round-trip
      • Cheapest nonstop
        BOS06:55
        3h 15m
        Nonstop
        STL09:10
        Wed, Mar 5|Boston - St. Louis|Southwest Airlines
        SGD 232SGD 302
        23% OFF
        23% OFF
        SGD 302SGD 232

        Choose Southwest Airlines flights from Boston to St. Louis. The one-way direct flight with Southwest Airlines departs from General Edward Lawrence Logan International Airport on Wed, Mar 5, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 232 including taxes and charges.

      • BOS06:25
        3h 20m
        Nonstop
        STL08:45
        Thu, Feb 27|Boston - St. Louis|Southwest Airlines
        SGD 232SGD 302
        23% OFF
        23% OFF
        SGD 302SGD 232

        Choose Southwest Airlines flights from Boston to St. Louis. The one-way direct flight with Southwest Airlines departs from General Edward Lawrence Logan International Airport on Thu, Feb 27, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 232 including taxes and charges.

      • BOS06:00
        18h 43m
        1 stop
        STL23:43
        Wed, Feb 26|Boston - St. Louis|Frontier Airlines
        SGD 66SGD 302
        78% OFF
        78% OFF
        SGD 302SGD 66

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Feb 26, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 66 including taxes and charges.

      • BOS06:00
        18h 43m
        1 stop
        STL23:43
        Tue, Feb 25|Boston - St. Louis|Frontier Airlines
        SGD 68
        SGD 68

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Feb 25, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 68 including taxes and charges.

      • BOS06:00
        18h 43m
        1 stop
        STL23:43
        Tue, Mar 4|Boston - St. Louis|Frontier Airlines
        SGD 77
        SGD 77

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Mar 4, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 77 including taxes and charges.

      • BOS06:00
        18h 43m
        1 stop
        STL23:43
        Wed, Mar 5|Boston - St. Louis|Frontier Airlines
        SGD 80
        SGD 80

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Mar 5, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 80 including taxes and charges.

      • BOS11:58
        13h 8m
        1 stop
        STL00:06
        Sat, May 10|Boston - St. Louis|Frontier Airlines
        SGD 82
        SGD 82

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Sat, May 10, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 82 including taxes and charges.

      • BOS06:00
        18h 46m
        1 stop
        STL23:46
        Tue, Apr 1|Boston - St. Louis|Frontier Airlines
        SGD 82
        SGD 82

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Apr 1, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 82 including taxes and charges.

      • BOS06:00
        19h 6m
        1 stop
        STL00:06
        Tue, May 6|Boston - St. Louis|Frontier Airlines
        SGD 82
        SGD 82

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, May 6, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 82 including taxes and charges.

      • BOS06:00
        19h 6m
        1 stop
        STL00:06
        Wed, May 14|Boston - St. Louis|Frontier Airlines
        SGD 82
        SGD 82

        Choose Frontier Airlines flights from Boston to St. Louis. The one-way connecting flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, May 14, arriving at St. Louis Lambert International Airport. One-way Prices start from SGD 82 including taxes and charges.

      • BOS01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Sat, Feb 22|Boston - St. Louis|Southwest Airlines
        Find More Flights
        Find More Flights

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

Boston to St. Louis flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1019

    Delta Air Lines

    05:25

    BOS

    2.2h

    07:38

    DTW

    SMTWTFS
    Search

  2. DL2868

    Delta Air Lines

    08:50

    DTW

    1.7h

    09:31

    STL

    SMTWTFS

  3. F93347

    Frontier Airlines

    06:00

    BOS

    3.3h

    09:15

    MCO

    SMTWTFS
    Search

  4. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  5. DL695

    Delta Air Lines

    06:00

    BOS

    3.0h

    08:58

    ATL

    SMTWTFS
    Search

  6. DL932

    Delta Air Lines

    12:15

    ATL

    1.7h

    12:55

    STL

    -----F-

  7. DL385

    Delta Air Lines

    09:15

    BOS

    3.0h

    12:18

    ATL

    SMTWTFS
    Search

  8. DL1403

    Delta Air Lines

    22:55

    ATL

    1.7h

    23:38

    STL

    SMTWTFS

  9. F91977

    Frontier Airlines

    12:46

    BOS

    3.5h

    16:18

    MCO

    S--WT-S
    Search

  10. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  11. NK870

    Spirit Airlines

    13:18

    BOS

    3.7h

    17:01

    MCO

    SMTWTFS
    Search

  12. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  13. DL1656

    Delta Air Lines

    16:40

    BOS

    2.4h

    19:05

    DTW

    SMTWTFS
    Search

  14. DL1541

    Delta Air Lines

    19:55

    DTW

    1.6h

    20:33

    STL

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Boston to St. Louis?

Explore the best time to buy affordable tickets to St. Louis 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.

Frequently Asked Questions

  • 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 date and time of your booking. By analyzing data from all airlines, 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 SGD 469.

  • How long does it take to fly from Boston (BOS) to St. Louis (STL)?

    It takes about 3 hours 17 minutes to fly from Boston (BOS) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km, by taxi about 40 minutes.

  • 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): Southwest Airlines, American Airlines, Iberia and Qatar Airways.

  • What's the most popular airline for non-stop flights from Boston (BOS) to St. Louis (STL)?

    American Airlines operates 1 non-stop flights from Boston (BOS) to St. Louis (STL).

  • How many airports are there in St. Louis (STL)?

    There are 1 airport(s) near St. Louis (STL): St. Louis Lambert International Airport.

How to find a cheap flight from Boston to St. Louis

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 Info | Boston to St. Louis

Cheapest direct flight priceSGD 65
Cheapest return ticket priceSGD 309
Off-season for travelDecember
Peak season for travelNovember
Flight distance1,670.94 km
Average flight time3 hours 17 minutes
Popular airlineFrontier Airlines

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