BOS - RAP

$251 Find Cheap Flights from Boston to Rapid City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$379
Typical prices: $448-$658
American Airlines
Sun 11/4Sat 11/10
BOS - RAP • 1 stop
Cheapest one-way
$251
Typical prices: $332-$459
Multiple Airlines
Sun 10/21
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 38% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 27% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $539 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 6h 42m (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

Wed, Nov 11 - Sat, Nov 14
American Airlines Logo
12:41 pm - 9:27 pmBOS  Boston Logan Intl-RAP Rapid City
10h 46m1 stop Dallas/Fort Worth
American Airlines Logo
6:11 am - 5:08 pmRAP  Rapid City-BOS Boston Logan Intl
8h 57m1 stop Dallas/Fort Worth
$379American Airlines
Fri, Oct 30 - Sun, Nov 1
American Airlines Logo
6:27 am - 12:21 pmBOS  Boston Logan Intl-RAP Rapid City
7h 54m1 stop Dallas/Fort Worth
American Airlines Logo
1:09 pm - 11:58 pmRAP  Rapid City-BOS Boston Logan Intl
8h 49m1 stop Dallas/Fort Worth
$379American Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
6:00 am - 10:15 amBOS  Boston Logan Intl-RAP Rapid City
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 11:59 pmRAP  Rapid City-BOS Boston Logan Intl
9h 29m1 stop Denver Intl
$379United Airlines
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
6:00 am - 10:15 amBOS  Boston Logan Intl-RAP Rapid City
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
11:17 am - 9:49 pmRAP  Rapid City-BOS Boston Logan Intl
8h 32m1 stop Denver Intl
$379United Airlines
Wed, Nov 4 - Tue, Nov 10
American Airlines Logo
6:00 am - 12:39 pmBOS  Boston Logan Intl-RAP Rapid City
8h 39m1 stop Dallas/Fort Worth
American Airlines Logo
6:11 am - 5:08 pmRAP  Rapid City-BOS Boston Logan Intl
8h 57m1 stop Dallas/Fort Worth
$379American Airlines
Thu, Oct 29 - Sun, Nov 1
American Airlines Logo
3:52 pm - 9:56 pmBOS  Boston Logan Intl-RAP Rapid City
8h 04m1 stop Dallas/Fort Worth
American Airlines Logo
1:09 pm - 11:58 pmRAP  Rapid City-BOS Boston Logan Intl
8h 49m1 stop Dallas/Fort Worth
$379American Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
6:00 am - 10:15 amBOS  Boston Logan Intl-RAP Rapid City
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 11:59 pmRAP  Rapid City-BOS Boston Logan Intl
9h 29m2 stops Denver Intl Washington, D.C. Dulles Intl
$384United Airlines
Thu, Oct 22 - Sun, Oct 25
Delta Logo
5:50 am - 10:45 amBOS  Boston Logan Intl-RAP Rapid City
6h 55m1 stop Minneapolis St Paul
Delta Logo
4:38 pm - 12:20 amRAP  Rapid City-BOS Boston Logan Intl
5h 42m1 stop Minneapolis St Paul
$409Delta
Sun, Dec 13 - Sat, Dec 19
Delta Logo
5:35 am - 10:38 amBOS  Boston Logan Intl-RAP Rapid City
7h 03m1 stop Minneapolis St Paul
Delta Logo
11:59 am - 9:55 pmRAP  Rapid City-BOS Boston Logan Intl
7h 56m1 stop Minneapolis St Paul
$579Delta
Tue, Sep 29 - Sat, Oct 3
Delta Logo
5:55 am - 10:01 amBOS  Boston Logan Intl-RAP Rapid City
6h 06m1 stop Minneapolis St Paul
Delta Logo
4:31 pm - 11:59 pmRAP  Rapid City-BOS Boston Logan Intl
5h 28m1 stop Minneapolis St Paul
$594Delta
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 from Boston to Rapid City with more confidence.

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

Round-trip flights from Boston to Rapid City start at $379. Prices are below average for this route right now, with typical round-trip fares ranging from $448 to $658. The lowest price found in the past 5 days was $379 on American Airlines.

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

Saturday is the cheapest day of the week to fly from Boston to Rapid City, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 March ($634) 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 prices 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 38% 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

$251
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 6% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

  • 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) - 44% of one-stop connections
    • Minneapolis St Paul (MSP) - 39% of one-stop connections
    • Denver Intl (DEN) - 9% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

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

    On the Boston to Rapid City route, being flexible with your departure day can save you up to 20%. Saturday is the cheapest day at $498 round-trip on average, while Sunday is the most expensive at $619: a $121 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 31% above the route average of $551. Book 3 weeks before departure for the lowest fares.

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

    A nonstop flight from Boston to Rapid City takes 0h 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.

  • 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 $1,594. That means the highest observed fare was about 4x 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 lower than usual. Average one-way flight prices are about $368, which is 7% below the typical average for this route.

  • 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 29m, compared with 6h 42m via Chicago O'Hare Intl (ORD) and 7h 12m 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.

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

    Rapid City Airport (RAP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
    • Budget
    • Hertz
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car

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

    Round-trip flights from Boston to Rapid City range from $448 to $658, with an average of $551 over the past 12 months. Anything below $448 counts as a good deal.

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 can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $498 - about $121 less than Sunday (20% 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 38% 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

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