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St. Louis Lambert International Airport to Boston Logan International Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Boston Logan International Airport over the next 90 days, with one-way fares from BRL 569 and round-trip from BRL 1,617. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Wed, Nov 11 | American Airlines
      BOS 7:00 AM
      3h 16m
      Nonstop
      STL 9:16 AM
      Boston - St. Louis | Sat, Nov 14 | American Airlines
      BRL 1,712 BRL 2,016
      15% off
      15% off
      BRL 2,016 BRL 1,712
    • STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Sun, Nov 15 | American Airlines
      BOS 7:00 AM
      3h 16m
      Nonstop
      STL 9:16 AM
      Boston - St. Louis | Wed, Nov 18 | American Airlines
      BRL 1,737 BRL 2,016
      14% off
      14% off
      BRL 2,016 BRL 1,737
    • STL 9:56 AM
      2h 37m
      Nonstop
      BOS 1:33 PM
      St. Louis - Boston | Thu, Dec 3 | American Airlines
      BOS 7:00 AM
      3h 29m
      Nonstop
      STL 9:29 AM
      Boston - St. Louis | Sat, Dec 5 | American Airlines
      BRL 1,737 BRL 2,016
      14% off
      14% off
      BRL 2,016 BRL 1,737
    • STL 4:26 PM
      16h 45m
      1 stop
      BOS 10:11 AM
      St. Louis - Boston | Sat, Nov 21 | Frontier Airlines
      BOS 11:06 AM
      13h 53m
      1 stop
      STL 11:59 PM
      Boston - St. Louis | Tue, Nov 24 | Frontier Airlines
      BRL 1,617
      20% off
      BRL 2,016 BRL 1,617
    • STL 6:20 PM
      14h 53m
      1 stop
      BOS 10:13 AM
      St. Louis - Boston | Tue, Dec 8 | Frontier Airlines
      BOS 11:08 AM
      14h 4m
      1 stop
      STL 12:12 AM
      Boston - St. Louis | Tue, Dec 15 | Frontier Airlines
      BRL 1,638
      19% off
      BRL 2,016 BRL 1,638
    • STL 10:20 AM
      4h 32m
      1 stop
      BOS 3:52 PM
      St. Louis - Boston | Sat, Nov 21 | Delta Air Lines
      BOS 1:00 PM
      5h 41m
      1 stop
      STL 5:41 PM
      Boston - St. Louis | Wed, Nov 25 | Delta Air Lines
      BRL 1,718
      15% off
      BRL 2,016 BRL 1,718
    • STL 6:00 PM
      4h 54m
      1 stop
      BOS 11:54 PM
      St. Louis - Boston | Wed, Nov 11 | Delta Air Lines
      BOS 9:15 AM
      5h 8m
      1 stop
      STL 1:23 PM
      Boston - St. Louis | Sat, Nov 14 | Delta Air Lines
      BRL 1,791
      11% off
      BRL 2,016 BRL 1,791
    • STL 11:35 AM
      4h 33m
      1 stop
      BOS 5:08 PM
      St. Louis - Boston | Sat, Nov 7 | American Airlines
      BOS 7:00 AM
      3h 16m
      Nonstop
      STL 9:16 AM
      Boston - St. Louis | Wed, Nov 11 | American Airlines
      BRL 1,799
      11% off
      BRL 2,016 BRL 1,799
    • STL 7:00 AM
      5h 21m
      1 stop
      BOS 1:21 PM
      St. Louis - Boston | Sun, Nov 15 | Delta Air Lines
      BOS 7:00 AM
      3h 16m
      Nonstop
      STL 9:16 AM
      Boston - St. Louis | Wed, Nov 18 | American Airlines
      BRL 1,814
      10% off
      BRL 2,016 BRL 1,814
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
      BOS 3:00 PM
      6h
      Nonstop
      STL 4:00 PM
      Boston - St. Louis | Wed, Nov 4 | Normal Airline
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    • Cheapest
      STL 6:35 PM
      12h 6m
      1 stop
      BOS 7:41 AM
      St. Louis - Boston | Fri, Nov 27 | Frontier Airlines
      BRL 569 BRL 926
      39% off
      39% off
      BRL 926 BRL 569
    • STL 6:21 PM
      12h 22m
      1 stop
      BOS 7:43 AM
      St. Louis - Boston | Mon, Dec 21 | Frontier Airlines
      BRL 575 BRL 926
      38% off
      38% off
      BRL 926 BRL 575
    • STL 6:20 PM
      14h 10m
      1 stop
      BOS 9:30 AM
      St. Louis - Boston | Fri, Dec 18 | Frontier Airlines
      BRL 576 BRL 926
      38% off
      38% off
      BRL 926 BRL 576
    • STL 6:05 PM
      15h 6m
      1 stop
      BOS 10:11 AM
      St. Louis - Boston | Mon, Nov 23 | Frontier Airlines
      BRL 682
      26% off
      BRL 926 BRL 682
    • STL 6:20 PM
      14h 53m
      1 stop
      BOS 10:13 AM
      St. Louis - Boston | Fri, Dec 11 | Frontier Airlines
      BRL 682
      26% off
      BRL 926 BRL 682
    • STL 6:13 PM
      15h
      1 stop
      BOS 10:13 AM
      St. Louis - Boston | Mon, Dec 14 | Frontier Airlines
      BRL 695
      25% off
      BRL 926 BRL 695
    • STL 6:20 PM
      14h 53m
      1 stop
      BOS 10:13 AM
      St. Louis - Boston | Sat, Dec 12 | Frontier Airlines
      BRL 704
      24% off
      BRL 926 BRL 704
    • STL 6:35 PM
      12h 6m
      1 stop
      BOS 7:41 AM
      St. Louis - Boston | Wed, Nov 25 | Frontier Airlines
      BRL 714
      23% off
      BRL 926 BRL 714
    • STL 4:26 PM
      16h 45m
      1 stop
      BOS 10:11 AM
      St. Louis - Boston | Sat, Nov 21 | Frontier Airlines
      BRL 742
      20% off
      BRL 926 BRL 742
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Wed, Nov 25 | American Airlines
      BRL 903 BRL 2,004
      55% off
      55% off
      BRL 2,004 BRL 903
    • STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Thu, Nov 19 | American Airlines
      BRL 1,034 BRL 2,004
      48% off
      48% off
      BRL 2,004 BRL 1,034
    • STL 9:56 AM
      2h 37m
      Nonstop
      BOS 1:33 PM
      St. Louis - Boston | Sun, Nov 22 | American Airlines
      BRL 1,350 BRL 2,004
      33% off
      33% off
      BRL 2,004 BRL 1,350
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Wed, Dec 23 | American Airlines
      BRL 1,453
      27% off
      BRL 2,004 BRL 1,453
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Tue, Dec 29 | American Airlines
      BRL 1,474
      26% off
      BRL 2,004 BRL 1,474
    • STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Fri, Nov 13 | American Airlines
      BRL 1,652
      18% off
      BRL 2,004 BRL 1,652
    • STL 1:15 PM
      2h 40m
      Nonstop
      BOS 4:55 PM
      St. Louis - Boston | Sat, Dec 12 | American Airlines
      BRL 1,674
      16% off
      BRL 2,004 BRL 1,674
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Wed, Nov 25 | American Airlines
      BRL 903 BRL 2,227
      59% off
      59% off
      BRL 2,227 BRL 903
    • STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Thu, Nov 19 | American Airlines
      BRL 1,034 BRL 2,227
      54% off
      54% off
      BRL 2,227 BRL 1,034
    • STL 9:56 AM
      2h 37m
      Nonstop
      BOS 1:33 PM
      St. Louis - Boston | Sun, Nov 22 | American Airlines
      BRL 1,350 BRL 2,227
      39% off
      39% off
      BRL 2,227 BRL 1,350
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Wed, Dec 23 | American Airlines
      BRL 1,453
      35% off
      BRL 2,227 BRL 1,453
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Tue, Dec 29 | American Airlines
      BRL 1,474
      34% off
      BRL 2,227 BRL 1,474
    • STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Fri, Nov 13 | American Airlines
      BRL 1,652
      26% off
      BRL 2,227 BRL 1,652
    • STL 1:15 PM
      2h 40m
      Nonstop
      BOS 4:55 PM
      St. Louis - Boston | Sat, Dec 12 | American Airlines
      BRL 1,674
      25% off
      BRL 2,227 BRL 1,674
    • STL 6:21 PM
      4h 38m
      1 stop
      BOS 11:59 PM
      St. Louis - Boston | Tue, Dec 29 | Delta Air Lines
      BRL 880
      60% off
      BRL 2,227 BRL 880
    • STL 2:17 PM
      4h 40m
      1 stop
      BOS 7:57 PM
      St. Louis - Boston | Mon, Dec 7 | Delta Air Lines
      BRL 899
      60% off
      BRL 2,227 BRL 899
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Fri, Nov 6 | American Airlines
      BRL 1,936 BRL 2,227
      13% off
      13% off
      BRL 2,227 BRL 1,936
    • STL 3:54 PM
      4h 52m
      1 stop
      BOS 9:46 PM
      St. Louis - Boston | Sun, Nov 1 | American Airlines
      BRL 1,787 BRL 2,227
      20% off
      20% off
      BRL 2,227 BRL 1,787
    • STL 10:35 AM
      4h 40m
      1 stop
      BOS 4:15 PM
      St. Louis - Boston | Sun, Nov 1 | Delta Air Lines
      BRL 1,832 BRL 2,227
      18% off
      18% off
      BRL 2,227 BRL 1,832
    • STL 10:35 AM
      4h 40m
      1 stop
      BOS 4:15 PM
      St. Louis - Boston | Fri, Nov 6 | Delta Air Lines
      BRL 2,000
      10% off
      BRL 2,227 BRL 2,000
    • STL 10:35 AM
      4h 40m
      1 stop
      BOS 4:15 PM
      St. Louis - Boston | Thu, Nov 5 | Delta Air Lines
      BRL 2,004
      10% off
      BRL 2,227 BRL 2,004
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
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    • STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Wed, Nov 25 | American Airlines
      BRL 903 BRL 2,004
      55% off
      55% off
      BRL 2,004 BRL 903
    • STL 6:21 PM
      2h 36m
      Nonstop
      BOS 9:57 PM
      St. Louis - Boston | Thu, Nov 19 | American Airlines
      BRL 1,034 BRL 2,004
      48% off
      48% off
      BRL 2,004 BRL 1,034
    • STL 9:56 AM
      2h 37m
      Nonstop
      BOS 1:33 PM
      St. Louis - Boston | Sun, Nov 22 | American Airlines
      BRL 1,350 BRL 2,004
      33% off
      33% off
      BRL 2,004 BRL 1,350
    • STL 6:20 PM
      2h 38m
      Nonstop
      BOS 9:58 PM
      St. Louis - Boston | Fri, Nov 13 | American Airlines
      BRL 1,652
      18% off
      BRL 2,004 BRL 1,652
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Wed, Dec 23 | American Airlines
      BRL 1,453
      27% off
      BRL 2,004 BRL 1,453
    • STL 5:40 PM
      2h 39m
      Nonstop
      BOS 9:19 PM
      St. Louis - Boston | Tue, Dec 29 | American Airlines
      BRL 1,474
      26% off
      BRL 2,004 BRL 1,474
    • STL 1:15 PM
      2h 40m
      Nonstop
      BOS 4:55 PM
      St. Louis - Boston | Sat, Dec 12 | American Airlines
      BRL 1,674
      16% off
      BRL 2,004 BRL 1,674
    • STL 6:35 PM
      12h 6m
      1 stop
      BOS 7:41 AM
      St. Louis - Boston | Fri, Nov 27 | Frontier Airlines
      BRL 569
      39% off
      BRL 926 BRL 569
    • STL 6:35 PM
      12h 6m
      1 stop
      BOS 7:41 AM
      St. Louis - Boston | Wed, Nov 25 | Frontier Airlines
      BRL 714
      23% off
      BRL 926 BRL 714
    • STL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      St. Louis - Boston | Mon, Nov 2 | Normal Airline
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Displayed flight fares from St. Louis to Boston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Boston Logan International Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Boston Logan International Airport is Frontier Airlines (from BRL 569) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From BRL 569
American Airlines
From BRL 851
Delta Air Lines
From BRL 913
United Airlines
From BRL 1,085

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What is the flight schedule from St. Louis Lambert International Airport to Boston Logan International Airport?

Check the schedule for flights from St. Louis to Boston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA3444

    St. Louis Lambert International Airport

    9:50 AM

    STL

    2h 36m

    1:26 PM

    BOS

    S M T W T - S
    Search

  2. AA4678

    St. Louis Lambert International Airport

    6:20 PM

    STL

    2h 38m

    9:58 PM

    BOS

    S M T W T - S
    Search

  3. AA6332

    St. Louis Lambert International Airport

    1:43 PM

    STL

    1h 41m

    Nonstop

    3:24 PM

    ORD

    S M T W T F S
    Search

  4. AA469

    O'Hare Intl. Airport

    4:52 PM

    ORD

    2h 36m

    Nonstop

    8:28 PM

    BOS

    S M T W T - S

  5. AA363

    St. Louis Lambert International Airport

    5:01 AM

    STL

    1h 29m

    Nonstop

    6:30 AM

    ORD

    S M T W T F S
    Search

  6. AA2054

    O'Hare Intl. Airport

    11:00 AM

    ORD

    2h 31m

    Nonstop

    2:31 PM

    BOS

    S M T W T F S

  7. F94474

    St. Louis Lambert International Airport

    6:21 PM

    STL

    1h 58m

    Nonstop

    9:19 PM

    ATL

    S - T - T - -
    Search

  8. F93512

    Hartsfield–Jackson Atlanta International Airport

    9:01 AM

    ATL

    2h 43m

    Nonstop

    11:44 AM

    BOS

    S M T W T F S
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About St. Louis Lambert International Airport and Boston Logan International Airport

Learn about St. Louis Lambert International Airport (STL) and Boston Logan International Airport (BOS) — including location, terminals, transportation, and travel tips.

Flight distance 1,681.19 km
Cheapest one-way ticket price BRL 569
Cheapest return ticket price BRL 1,617

FAQs for St. Louis Lambert International Airport to Boston Logan International Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to Boston Logan International Airport?

    St. Louis Lambert International Airport to Boston Logan International Airport takes about 2 hours 38 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from St. Louis Lambert International Airport (STL) to Boston Logan International Airport (BOS).
  • The earliest flight from St. Louis Lambert International Airport to Boston Logan International Airport departs at 05:50, and the last departs at 21:05, with about 15 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to Boston Logan International Airport (BOS) is quite popular. Without considering departure times or holidays, tickets cost around BRL 1,529 in December, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport (STL) at 09:15 and arrives in Boston Logan International Airport (BOS) at 12:58.
  • The latest flight departs from St. Louis Lambert International Airport (STL) at 19:00 and arrives in Boston Logan International Airport (BOS) at 22:37.
  • American Airlines is a very popular airline operating an average of 528 flights per month.
  • One-way flights from St. Louis Lambert International Airport to Boston Logan International Airport currently start from BRL 569, and round-trip fares start from BRL 1,617. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 27; prices may vary depending on availability.
  • Yes. American Airlines operate direct flights from St. Louis Lambert International Airport to Boston Logan International Airport, with an average flight time of 2 hours 11 minutes, and around 35 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Boston Logan International Airport is BRL 1,454. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Boston Logan International Airport operates around 37 weekly flights, mainly by American Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Boston Logan International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.