Cheapest airlines flights from Boston to Kansas City

You can choose from 1 airlines that fly from Boston to Kansas City, including Delta Air Lines, Delta Air Lines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Boston to Kansas City according to previous 12 months data from Trip.com.

Search for direct flights from Boston to Kansas City in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$189, and round-trip direct flights start at US$449.

Displayed flight fares from Boston to Kansas City are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Boston to Kansas City Flight Details

The distance between Boston and Kansas City is about 2,012.67 km. The average flying time from Boston to Kansas City is around 3 hours 39 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight priceUS$121
Cheapest return ticket priceUS$374
Cheapest monthSeptember
Peak season for travelJuly
Flight distance2,012.67 km
Average flight time3 hours 39 minutes
Popular airlineDelta Air Lines
Flight statistics for the Boston–Kansas City route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Boston to Kansas City (BOS-MKC)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$121 on Cheapest nonstop routes (e.g. BOS to MCI on Tue, Jun 23), while Frontier Airlines offers Cheapest nonstop round-trips from US$374 departing on Wed, Jun 17 and returning on Mon, Jun 22.
  • At the moment, you can catch a nonstop flight from Boston to Kansas City with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 39 minutes to fly from Boston to Kansas City.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Kansas City is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Boston to Kansas City. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL675 (06:23)
  • To find best deals on flights from Boston to Kansas City, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 23, with one-way flights priced at just US$121.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Kansas City travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Kansas City is September, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Boston to Kansas City on June 16, 2026 with Frontier Airlines, with prices starting at US$121.
  • You can land at any one of the following hubs in Kansas City, with Boston Logan International Airport to Kansas City International Airport (BOS-MCI) is by far the most common option on this route: Kansas City International Airport (MCI) Charles B. Wheeler Downtown Airport (MKC).
  • The time difference between Kansas City and Boston is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. 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. However, 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.

Trip.com Airline Insights on Flights from Boston to Kansas City

Which airline offers the cheapest direct flights from Boston to Kansas City?

Data is based on the average price of all nonstop flights from Boston to Kansas City on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Spirit Airlines provides the lowest-priced direct flights from Boston to Kansas City, with fares starting at US$251.

US$119
US$251
US$384
US$516
US$648
Spirit Airlines
US$251
Spirit Airlines
American Airlines
US$366
American Airlines
Delta Air Lines
US$648
Delta Air Lines

Which airline operates the most flights from Boston to Kansas City?

Total flights from Boston to Kansas City across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Delta Air Lines operates the most frequent flights from Boston to Kansas City, with 14 flights per week.

0
7
14
Delta Air Lines
14
Delta Air Lines
Virgin Atlantic
11
Virgin Atlantic
Korean Air
6
Korean Air
Air France
6
Air France
KLM
6
KLM
LATAM Airlines
0
LATAM Airlines

How many flights fly from Boston to Kansas City daily?

The data is based on the flight numbers for each day of the week from Boston to Kansas City within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Boston to Kansas City is the highest on Friday and the lowest on Saturday.

33
19
4
0
Highest
26
Mon
28
Tue
26
Wed
27
Thu
33
Fri
4
Sat
26
Sun

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.