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Cheap flight deals from St. Louis to Boston Starting at AED 201

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

  • One way
  • Round-trip
      • Cheapest nonstop
        STL19:00
        2h 30m
        Nonstop
        BOS22:30
        Wed, Apr 16|St. Louis - Boston|Southwest Airlines
        AED 627AED 769
        18% OFF
        18% OFF
        AED 769AED 627

        Choose Southwest Airlines flights from St. Louis to Boston. The one-way direct flight with Southwest Airlines departs from St.Louis Lambert International Airport on Wed, Apr 16, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 627 including taxes and charges.

      • STL09:12
        2h 43m
        Nonstop
        BOS12:55
        Mon, Apr 14|St. Louis - Boston|American Airlines
        AED 638AED 769
        17% OFF
        17% OFF
        AED 769AED 638

        Choose American Airlines flights from St. Louis to Boston. The one-way direct flight with American Airlines departs from St.Louis Lambert International Airport on Mon, Apr 14, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 638 including taxes and charges.

      • STL16:57
        6h 50m
        1 stop
        BOS00:47
        Mon, Apr 14|St. Louis - Boston|Frontier Airlines
        AED 201AED 769
        74% OFF
        74% OFF
        AED 769AED 201

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Mon, Apr 14, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 201 including taxes and charges.

      • STL17:20
        6h 24m
        1 stop
        BOS00:44
        Mon, Mar 3|St. Louis - Boston|Frontier Airlines
        AED 203
        AED 203

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Mon, Mar 3, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 203 including taxes and charges.

      • STL17:20
        6h 24m
        1 stop
        BOS00:44
        Wed, Feb 26|St. Louis - Boston|Frontier Airlines
        AED 212
        AED 212

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Wed, Feb 26, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 212 including taxes and charges.

      • STL17:20
        6h 24m
        1 stop
        BOS00:44
        Wed, Mar 5|St. Louis - Boston|Frontier Airlines
        AED 212
        AED 212

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Wed, Mar 5, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 212 including taxes and charges.

      • STL16:57
        6h 50m
        1 stop
        BOS00:47
        Tue, Apr 1|St. Louis - Boston|Frontier Airlines
        AED 217
        AED 217

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Tue, Apr 1, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 217 including taxes and charges.

      • STL17:24
        13h 49m
        1 stop
        BOS08:13
        Thu, Mar 6|St. Louis - Boston|Frontier Airlines
        AED 234
        AED 234

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Thu, Mar 6, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 234 including taxes and charges.

      • STL17:24
        6h 20m
        1 stop
        BOS00:44
        Sat, Mar 29|St. Louis - Boston|Frontier Airlines
        AED 256
        AED 256

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sat, Mar 29, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 256 including taxes and charges.

      • STL16:57
        6h 50m
        1 stop
        BOS00:47
        Sat, Apr 5|St. Louis - Boston|Frontier Airlines
        AED 277
        AED 277

        Choose Frontier Airlines flights from St. Louis to Boston. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sat, Apr 5, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from AED 277 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        BOS02:00 pm
        Thu, Feb 20|St. Louis - Boston|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.

St. Louis to Boston flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1524

    Delta Air Lines

    06:00

    STL

    1.6h

    08:38

    ATL

    SMTWTFS
    Search

  2. DL350

    Delta Air Lines

    12:30

    ATL

    2.6h

    15:08

    BOS

    SMTWTFS

  3. DL1524

    Delta Air Lines

    06:00

    STL

    1.6h

    08:38

    ATL

    SMTWTFS
    Search

  4. DL862

    Delta Air Lines

    11:15

    ATL

    2.6h

    13:52

    BOS

    SMTWTFS

  5. DL1626

    Delta Air Lines

    06:45

    STL

    1.5h

    09:15

    DTW

    SMTWTFS
    Search

  6. DL2648

    Delta Air Lines

    10:03

    DTW

    1.9h

    12:00

    BOS

    SMTWTFS

  7. UA3564

    United Airlines

    07:05

    STL

    2.5h

    10:34

    EWR

    SMTWTFS
    Search

  8. UA782

    United Airlines

    13:59

    EWR

    1.2h

    15:09

    BOS

    SMTWT-S

  9. DL566

    Delta Air Lines

    12:55

    STL

    1.6h

    15:33

    ATL

    SMTWTFS
    Search

  10. DL300

    Delta Air Lines

    19:55

    ATL

    2.6h

    22:33

    BOS

    SMTWTFS

  11. UA1761

    United Airlines

    15:43

    STL

    1.4h

    17:04

    ORD

    -M---F-
    Search

  12. UA1989

    United Airlines

    18:35

    ORD

    2.4h

    21:59

    BOS

    SMTWTFS

  13. F92636

    Frontier Airlines

    17:20

    STL

    2.5h

    20:51

    MCO

    SMTWTFS
    Search

  14. F93348

    Frontier Airlines

    21:33

    MCO

    3.2h

    00:46

    BOS

    SMTWTFS

  15. DL1485

    Delta Air Lines

    17:40

    STL

    1.8h

    20:25

    ATL

    SMTWTFS
    Search

  16. DL865

    Delta Air Lines

    22:25

    ATL

    2.6h

    01:03

    BOS

    SMTWTFS

  17. F92630

    Frontier Airlines

    17:47

    STL

    2.5h

    21:19

    MCO

    S------
    Search

  18. F93348

    Frontier Airlines

    21:33

    MCO

    3.2h

    00:46

    BOS

    SMTWTFS

  19. F92630

    Frontier Airlines

    17:47

    STL

    2.5h

    21:19

    MCO

    S------
    Search

  20. F91978

    Frontier Airlines

    08:29

    MCO

    3.3h

    11:45

    BOS

    S--WTFS
Find more flights and airlines

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

Explore the best time to buy affordable tickets to Boston 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 St. Louis (STL) to Boston (BOS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Boston 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 St. Louis (STL) to Boston (BOS) cost?

    According to Trip.com's data, the lowest price is around AED 1,402.

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

    It takes about 2 hours 34 minutes to fly from St. Louis (STL) to Boston (BOS).

  • What are the most popular airlines that fly from St. Louis (STL) to Boston (BOS)?

    Airlines with flights from St. Louis (STL) to Boston (BOS): American Airlines, Iberia, Qatar Airways and Southwest Airlines.

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

    American Airlines operates 7 non-stop flights from St. Louis (STL) to Boston (BOS).

  • How many airports are there in Boston (BOS)?

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

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 | St. Louis to Boston

Cheapest direct flight priceAED 201
Cheapest return ticket priceAED 860
Off-season for travelJanuary
Peak season for travelNovember
Flight distance1,670.94 km
Average flight time2 hours 34 minutes
Popular airlineFrontier Airlines

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