Cheap Flights from Kansas City to Boston
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Prices updated 24 days ago
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171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Kansas City to Boston
Explore current cheapest deals departing from Kansas City to Boston
Round trip
Sort by: Cheapest
July 31 - August 25
MCI - Boston
$228
$209
Round trip
August 7 - August 25
MCI - Boston
$223
$209
Round trip
August 7 - September 1
MCI - Boston
$219
$209
Round trip
August 10 - August 25
MCI - Boston
$226
$209
Round trip
August 10 - September 1
MCI - Boston
$224
$209
Round trip
August 24 - September 1
MCI - Boston
$252
$209
Round trip
August 7 - August 19
MCI - Boston
$228
$230
Round trip
July 24 - July 27
MCI - Boston
$256
$244
Round trip
July 24 - August 5
MCI - Boston
$227
$244
Round trip
July 31 - August 12
MCI - Boston
$227
$244
Round trip
Unlock all 500+ flight deals to Boston and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Kansas City to Boston
How much is a round trip from Kansas City to Boston
Regular price: $188 - $384
Prices are currently within the regular range for flights from Kansas City to Boston.
The regular price range for this route is between $188 and $384. The current lowest deal is $209 with Frontier Airlines, for travel from August 7 to September 1.
now $209
Low $188
High $384
The cheapest time to fly from Kansas City to Boston
The cheapest month to fly from MKC to BOS is January, with a median price of $242. The most expensive month is October, with a median price of $943. Prices are generally lower from January to December.
January
Flights from $242
October
Flights from $943
Direct flights from Kansas City to Boston
Southwest Airlines
Last-minute flights going from Kansas City to Boston
Fri, Jul 3
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$278
$304
One-way
Mon, Jul 6
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$242
$325
One-way
Wed, Jul 8
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$252
$317
One-way
Wed, Jul 8
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$268
$334
One-way
Fri, Jul 10
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$259
$259
One-way
Fri, Jul 10
MCI - Boston
Kansas City (MCI) - Boston (BOS)
Frontier Airlines
$264
$279
One-way
Biggest price drops on these dates for flights from Kansas City to Boston
Aug 24 - Sep 1
$252 → $209
17%
Aug 10 - Aug 12
$273 → $244
11%
Sep 5 - Sep 7
$334 → $312
7%
Aug 7 - Aug 12
$265 → $244
8%
Popular Airports to fly from Kansas City to Boston
Kansas City - Boston route insights
💸 Price insights
Recent fares are above the typical level
Recent Kansas City to Boston fares are above the typical level, with a median price of $741.
📅 Best time to fly
January is historically cheapest at $242
Historically, January is the cheapest month to fly from Kansas City to Boston, with a median price of $242.
⏱️ Flight duration
Median flight time is 24h 49m
The median flight time from Kansas City to Boston is 24 hours and 49 minutes.
✈️ Airlines & availability
Connecting flights are dominant on this route
Connecting flights are dominant on this route, with a median of 2 stopovers when connecting.
🏆 Airline highlight
Southwest Airlines offers direct flights
Southwest Airlines offers direct flights from Kansas City to Boston.
🎯 Booking tip
Deals are frequent on this route
Deals for flights from Kansas City to Boston are frequent, with over 1 deal per day.
Kansas City main airports to depart from
Kansas City International (MCI)
Kansas City International Airport is a key departure point for flights from Kansas City to Boston.
📍 ~25 km from Kansas City (reachable by car)
💸 Flights from ~$209
Boston main airports to arrive at
Logan International (BOS)
Logan International Airport is a convenient arrival choice for flights from Kansas City to Boston.
📍 ~5 km from city center (reachable by car, public transport, taxi)
💸 Flights from ~$209
Airports nearby Boston used as alternative
Rhode Island T. F. Green Int'l Airport (PVD)
Rhode Island T. F. Green Int'l Airport is a major regional alternative with a wide range of connections.
📍 ~45 km from Boston (reachable by car)
💸 Flights from ~$266
Manchester–Boston Regional (MHT)
Manchester–Boston Regional is a primary alternative for travelers north of Boston, with less congestion.
📍 ~75 km from Boston (reachable by car)
💸 Flights from ~$293
Bradley International (BDL)
Bradley International is a large international airport offering an extensive carrier list and diverse destinations.
📍 ~140 km from Boston (reachable by car)
💸 Flights from ~$272
Portland International Jetport (PWM)
Portland International Jetport is a reliable regional jetport with good connectivity for northern travelers.
📍 ~160 km from Boston (reachable by car)
💸 Flights from ~$304
Worcester Regional (ORH)
Worcester Regional is geographically close to western Boston suburbs, offering a low-stress environment.
📍 ~60 km from Boston (reachable by car)
💸 Flights from ~$430
Business & First Class Flight Deals to Boston
Discover luxury on the budget with premium cabin class on flights from Kansas City to Boston.
Elite
Best Elite deals to Boston
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From MCI
Elite
Jul 07
Boston, United States
81% AI deal score
$1,473
$945
Save $528
From MCI
Elite
Aug 20
Boston, United States
80% AI deal score
$1,393
$930
Save $463
From MCI
Elite
Sep 30
Boston, United States
80% AI deal score
$1,479
$937
Save $542
From MCI
Elite
Aug 12
Boston, United States
79% AI deal score
$1,250
$945
Save $305
From MCI
Elite
Nov 03
Boston, United States
79% AI deal score
$1,237
$945
Save $292
From MCI
Elite
Aug 05
Boston, United States
79% AI deal score
$1,274
$945
Save $329
From MCI
Elite
Aug 04
Boston, United States
79% AI deal score
$1,292
$945
Save $347
From MCI
Elite
Oct 22
Boston, United States
79% AI deal score
$1,454
$937
Save $517
From MCI
Elite
Aug 26
Boston, United States
78% AI deal score
$1,210
$935
Save $275
From MCI
Elite
Dec 08
Boston, United States
78% AI deal score
$1,228
$945
Save $283
From MCI
Elite
Aug 19
Boston, United States
78% AI deal score
$1,200
$945
Save $255
From MCI
Elite
Oct 21
Boston, United States
78% AI deal score
$1,218
$945
Save $273
From MCI
Elite
Oct 31
Boston, United States
78% AI deal score
$1,212
$969
Save $243
From MCI
Elite
Oct 08
Boston, United States
78% AI deal score
$1,440
$949
Save $491
From MCI
Elite
Oct 03
Boston, United States
78% AI deal score
$1,435
$949
Save $486
From MCI
Elite
Oct 02
Boston, United States
78% AI deal score
$1,440
$962
Save $478
From MCI
Elite
Oct 23
Boston, United States
78% AI deal score
$1,479
$969
Save $510
From MCI
Elite
Oct 13
Boston, United States
78% AI deal score
$1,476
$969
Save $507
From MCI
Elite
Sep 25
Boston, United States
78% AI deal score
$1,457
$981
Save $476
From MCI
Elite
Sep 10
Boston, United States
78% AI deal score
$1,481
$995
Save $486
From MCI
Elite
Sep 15
Boston, United States
77% AI deal score
$1,186
$945
Save $241
From MCI
Elite
Jul 14
Boston, United States
73% AI deal score
$1,121
$935
Save $186
From MCI
Elite
Jul 08
Boston, United States
73% AI deal score
$1,162
$935
Save $227
From MCI
Elite
Sep 02
Boston, United States
73% AI deal score
$1,140
$945
Save $195
From MCI
Elite
Sep 30
Boston, United States
73% AI deal score
$1,141
$945
Save $196
From MCI
Elite
Sep 22
Boston, United States
73% AI deal score
$1,133
$945
Save $188
From MCI
Elite
Sep 15
Boston, United States
73% AI deal score
$1,132
$945
Save $187
From MCI
Elite
Jul 21
Boston, United States
73% AI deal score
$1,249
$964
Save $285
From MCI
Elite
Jul 21
Boston, United States
73% AI deal score
$1,237
$964
Save $273
From MCI
Elite
Jul 11
Boston, United States
73% AI deal score
$1,235
$966
Save $269
From MCI
Elite
Jul 17
Boston, United States
73% AI deal score
$1,230
$969
Save $261
From MCI
Elite
Jul 15
Boston, United States
73% AI deal score
$1,238
$969
Save $269
From MCI
Elite
Jul 26
Boston, United States
73% AI deal score
$1,240
$983
Save $257
From MCI
Elite
Nov 27
Boston, United States
73% AI deal score
$1,361
$1,013
Save $348
From MCI
Elite
Jul 22
Boston, United States
72% AI deal score
$1,127
$945
Save $182
From MCI
Elite
Dec 09
Boston, United States
72% AI deal score
$1,228
$1,041
Save $187
From MCI
Elite
Nov 05
Boston, United States
72% AI deal score
$1,237
$1,053
Save $184
From MCI
Elite
Jul 11
Boston, United States
72% AI deal score
$1,363
$1,112
Save $251
From MCI
Elite
Jul 02
Boston, United States
72% AI deal score
$1,469
$1,155
Save $314
From MCI
Elite
Jul 16
Boston, United States
72% AI deal score
$1,258
$1,013
Save $245
From MCI
Elite
Jul 03
Boston, United States
72% AI deal score
$1,219
$1,013
Save $206
From MCI
Elite
Jul 24
Boston, United States
72% AI deal score
$1,249
$1,027
Save $222
From MCI
Elite
Jul 13
Boston, United States
71% AI deal score
$1,226
$1,027
Save $199
From MCI
Elite
Dec 04
Boston, United States
70% AI deal score
$1,228
$1,101
Save $127
From MCI
Elite
Jul 06
Boston, United States
70% AI deal score
$1,215
$1,076
Save $139
From MCI
Elite
Jul 02
Boston, United States
70% AI deal score
$1,228
$1,111
Save $117
From MCI
Elite
Oct 27
Boston, United States
69% AI deal score
$2,230
$2,008
Save $222
From MCI
Elite
Oct 27
Boston, United States
69% AI deal score
$2,230
$2,038
Save $192
From MCI
Elite
Oct 29
Boston, United States
69% AI deal score
$2,224
$2,038
Save $186
From MCI
Elite
Aug 26
Boston, United States
69% AI deal score
$2,311
$2,064
Save $247
From MCI
Elite
Oct 23
Boston, United States
69% AI deal score
$2,239
$2,068
Save $171
From MCI
Elite
Oct 29
Boston, United States
69% AI deal score
$2,224
$2,068
Save $156
From MCI
Elite
Nov 18
Boston, United States
69% AI deal score
$1,236
$1,153
Save $83
From MCI
Elite
Oct 27
Boston, United States
68% AI deal score
$2,230
$2,107
Save $123
From MCI
Elite
Oct 27
Boston, United States
68% AI deal score
$2,261
$2,107
Save $154
From MCI
Elite
Oct 17
Boston, United States
68% AI deal score
$2,235
$2,107
Save $128
From MCI
Elite
Oct 17
Boston, United States
68% AI deal score
$2,235
$2,118
Save $117
From MCI
Elite
Oct 27
Boston, United States
68% AI deal score
$2,245
$2,118
Save $127
From MCI
Elite
Oct 26
Boston, United States
68% AI deal score
$2,230
$2,123
Save $107
From MCI
Elite
Oct 29
Boston, United States
68% AI deal score
$2,224
$2,137
Save $87
From MCI
Elite
Oct 23
Boston, United States
68% AI deal score
$2,237
$2,137
Save $100
From MCI
Elite
Oct 25
Boston, United States
68% AI deal score
$2,232
$2,138
Save $94
From MCI
Elite
Oct 26
Boston, United States
68% AI deal score
$2,230
$2,153
Save $77
From MCI
Elite
Oct 25
Boston, United States
68% AI deal score
$2,230
$2,168
Save $62
From MCI
Elite
Aug 26
Boston, United States
67% AI deal score
$2,066
$2,064
Save $2
From MCI
Elite
Jul 09
Boston, United States
67% AI deal score
$1,162
$1,156
Save $6
From MCI
Elite
Nov 10
Boston, United States
66% AI deal score
$2,008
From MCI
Elite
Nov 10
Boston, United States
65% AI deal score
$2,038
From MCI
Elite
Nov 16
Boston, United States
50% AI deal score
$2,038
From MCI
Elite
Nov 10
Boston, United States
48% AI deal score
$2,013
From MCI
Elite
Nov 10
Boston, United States
48% AI deal score
$2,013
From MCI
Elite
Nov 10
Boston, United States
48% AI deal score
$2,013
From MCI
Elite
Nov 10
Boston, United States
48% AI deal score
$2,013
From MCI
Elite
Nov 24
Boston, United States
48% AI deal score
$2,058
From MCI
Elite
Nov 24
Boston, United States
48% AI deal score
$2,058
From MCI
Elite
Nov 01
Boston, United States
46% AI deal score
$2,038
From MCI
Elite
Nov 01
Boston, United States
46% AI deal score
$2,068
From MCI
Elite
Nov 10
Boston, United States
46% AI deal score
$2,107
From MCI
Elite
Nov 10
Boston, United States
46% AI deal score
$2,118
From MCI
Elite
Nov 08
Boston, United States
46% AI deal score
$2,118