BOS - RAP

$344 Find Cheap Flights from Boston to Rapid City - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$379
Typical prices: $452-$661
Delta
Fri 2/2Mon 2/5
BOS - RAP • 1 stop
Cheapest one-way
$344
Typical prices: $345-$466
Multiple Airlines
Tue 12/18
BOS - RAP • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Boston and Rapid City. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 28% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $526 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 6h 44m (one-way)
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Insights
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Flight Deals

Cheap Flights from Boston to Rapid City (BOS-RAP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Rapid City

Tue, Feb 2 - Fri, Feb 5
Delta Logo
6:51 pm - 10:52 pmBOS  Boston Logan Intl-RAP Rapid City
6h 01m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 2:01 pmRAP  Rapid City-BOS Boston Logan Intl
6h 01m1 stop Minneapolis St Paul
$379Delta
Tue, Mar 2 - Sat, Mar 13
Delta Logo
6:00 pm - 10:39 pmBOS  Boston Logan Intl-RAP Rapid City
6h 39m1 stop Minneapolis St Paul
Delta Logo
6:55 am - 2:05 pmRAP  Rapid City-BOS Boston Logan Intl
5h 10m1 stop Minneapolis St Paul
$379Delta
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
9:20 am - 3:56 pmBOS  Boston Logan Intl-RAP Rapid City
8h 36m1 stop Denver Intl
United Airlines Logo
6:00 am - 1:54 pmRAP  Rapid City-BOS Boston Logan Intl
5h 54m1 stop Chicago O'Hare Intl
$379United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
9:20 am - 3:56 pmBOS  Boston Logan Intl-RAP Rapid City
8h 36m1 stop Denver Intl
United Airlines Logo
12:18 pm - 11:59 pmRAP  Rapid City-BOS Boston Logan Intl
9h 41m2 stops Denver Intl Washington, D.C. Dulles Intl
$384United Airlines
Tue, Feb 2 - Fri, Feb 5
United Airlines Logo
6:00 am - 1:06 pmBOS  Boston Logan Intl-RAP Rapid City
9h 06m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:00 am - 1:55 pmRAP  Rapid City-BOS Boston Logan Intl
5h 55m1 stop Chicago O'Hare Intl
$384United Airlines
Sun, Nov 15 - Tue, Dec 1
Delta Logo
5:45 am - 10:23 amBOS  Boston Logan Intl-RAP Rapid City
6h 38m1 stop Minneapolis St Paul
Delta Logo
2:40 pm - 11:47 pmRAP  Rapid City-BOS Boston Logan Intl
7h 07m1 stop Minneapolis St Paul
$414Delta
Fri, Nov 13 - Tue, Nov 17
Delta Logo
7:15 am - 1:43 pmBOS  Boston Logan Intl-RAP Rapid City
8h 28m1 stop Minneapolis St Paul
Delta Logo
6:45 am - 1:54 pmRAP  Rapid City-BOS Boston Logan Intl
5h 09m1 stop Minneapolis St Paul
$449Delta
Tue, Mar 2 - Sat, Mar 13
American Airlines Logo
6:00 am - 12:40 pmBOS  Boston Logan Intl-RAP Rapid City
8h 40m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 6:57 pmRAP  Rapid City-BOS Boston Logan Intl
9h 57m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$549American Airlines
Tue, Mar 2 - Sat, Mar 13
American Airlines Logo
9:17 am - 8:54 pmBOS  Boston Logan Intl-RAP Rapid City
13h 37m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth
American Airlines Logo
7:00 am - 6:57 pmRAP  Rapid City-BOS Boston Logan Intl
9h 57m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$568American Airlines
Tue, Nov 10 - Sat, Nov 14
American Airlines Logo
11:28 am - 9:27 pmBOS  Boston Logan Intl-RAP Rapid City
11h 59m2 stops New York LaGuardia Dallas/Fort Worth
American Airlines Logo
6:11 am - 5:56 pmRAP  Rapid City-BOS Boston Logan Intl
9h 45m2 stops Dallas/Fort Worth Philadelphia
$609American Airlines
Booking Insights

Price, demand and travel trends for Boston to Rapid City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Rapid City?

Round-trip flights from Boston to Rapid City typically range from $452 to $661. The lowest price found in the past 5 days was $379, on Delta.

What's the cheapest day of the week to fly from Boston to Rapid City?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Boston to Rapid City. It’s 8% cheaper than the average day, while Sunday is the most expensive, with prices 11% higher.

What’s the cheapest month to fly from Boston to Rapid City?

•April is the cheapest month to fly from Boston to Rapid City at $403 round-trip.
•February ($668) and September ($639) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Rapid City the cheapest?

Flights from Boston to Rapid City are cheapest 3 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boston to Rapid City flights

Low season

February

Cheapest flight

$344
Beat the crowds with an average 88% drop in travelers.
The most popular month to fly with an average 170% increase in travelers.
One-way flight from Boston to Rapid City

When to book flights from Boston to Rapid City

Are your dates flexible? Find out the best times to travel from Boston to Rapid City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Rapid City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Rapid City?

    Two cabin classes are available on flights from Boston to Rapid City:

    • Economy Class
    • First Class

  • How long is a flight from Boston to Rapid City?

    A nonstop flight from Boston to Rapid City takes 00m, covering 1,607 miles.

  • Do I need a passport to fly from Boston to Rapid City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Boston to Rapid City flight?

    Round-trip flights from Boston to Rapid City range from $452 to $661, with an average of $557 over the past 12 months. Anything below $452 counts as a good deal.

  • How expensive are last-minute Boston to Rapid City flights?

    Last-minute fares on this route (booked within two weeks of departure) run 15% above the $557 route average. Book 3 weeks before departure for the lowest fares.

  • Have flight prices from Boston to Rapid City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $1,111. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boston to Rapid City looking right now?

    One-way fares from Boston to Rapid City are currently in line with typical prices for this route. Average one-way fares are about $401.

  • What car rental options are available at Rapid City Airport (RAP)?

    Rapid City Airport (RAP) hosts 5 major car rental companies, with daily rates averaging $112 for economy cars. Top options include:

    • Budget
    • Hertz
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from Boston to Rapid City?

    Flights from Boston to Rapid City usually depart from Boston Logan Intl (BOS) and arrive at Rapid City (RAP).

  • Which airports do connecting flights from Boston to Rapid City pass through?

    One-stop flights from Boston to Rapid City most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 46% of one-stop connections
    • Minneapolis St Paul (MSP) - 35% of one-stop connections
    • Dallas/Fort Worth (DFW) - 12% of one-stop connections
    • Denver Intl (DEN) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Rapid City?

    Yes. Flexible dates can save you up to 18% on flights from Boston to Rapid City. Saturday is the cheapest departure day at $513 round-trip on average, while Sunday is the most expensive at $619, a difference of $106.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Boston to Rapid City?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 25m, compared with 6h 44m via Chicago O'Hare Intl (ORD) and 7h 09m via Denver Intl (DEN).

  • What is the time difference between Boston and Rapid City?

    Rapid City is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boston to Rapid City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $513, about $106 less than Sunday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Rapid City trip for April. Fares historically average $403 round-trip in that month - typically $265 less than the most expensive month, which is February (based on the last 12 months).

More options for your flight from Boston to Rapid City

Complete your trip to Rapid City with a hotel stay or car rental

Car rentals in Rapid City
Hotels in Rapid City
Vacations in Rapid City