$216 Cheap Flights from Mobile (MOB) to Rapid City (RAP)

View $216 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Mobile to Rapid City (MOB-RAP)

Prices were available within the past 7 days and start at $216 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 24 - Tue, Feb 3
MOB
Mobile
RAP
Rapid City
$299 Roundtrip, found 16 hours ago
$299
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 24 from Mobile to Rapid City, returning Tue, Feb 3, priced at $299 found 16 hours ago
Delta
Sat, Jan 24 - Mon, Feb 2
MOB
Mobile
RAP
Rapid City
$324 Roundtrip, found 16 hours ago
$324
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 24 from Mobile to Rapid City, returning Mon, Feb 2, priced at $324 found 16 hours ago
Delta
Sat, Jan 17 - Tue, Jan 27
MOB
Mobile
RAP
Rapid City
$359 Roundtrip, found 16 hours ago
$359
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 17 from Mobile to Rapid City, returning Tue, Jan 27, priced at $359 found 16 hours ago
United
Tue, Jan 20 - Tue, Feb 3
MOB
Mobile
RAP
Rapid City
$379 Roundtrip, found 16 hours ago
$379
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Jan 20 from Mobile to Rapid City, returning Tue, Feb 3, priced at $379 found 16 hours ago
Delta
Sat, Jan 24 - Wed, Feb 4
MOB
Mobile
RAP
Rapid City
$388 Roundtrip, found 16 hours ago
$388
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 24 from Mobile to Rapid City, returning Wed, Feb 4, priced at $388 found 16 hours ago
United
Mon, Jan 19 - Tue, Feb 3
MOB
Mobile
RAP
Rapid City
$404 Roundtrip, found 16 hours ago
$404
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Jan 19 from Mobile to Rapid City, returning Tue, Feb 3, priced at $404 found 16 hours ago
Delta
Sat, Jan 17 - Mon, Jan 26
MOB
Mobile
RAP
Rapid City
$419 Roundtrip, found 16 hours ago
$419
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 17 from Mobile to Rapid City, returning Mon, Jan 26, priced at $419 found 16 hours ago
Delta
Sat, Jan 10 - Tue, Jan 20
MOB
Mobile
RAP
Rapid City
$420 Roundtrip, found 16 hours ago
$420
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 10 from Mobile to Rapid City, returning Tue, Jan 20, priced at $420 found 16 hours ago
United
Tue, Dec 30 - Sat, Jan 17
MOB
Mobile
RAP
Rapid City
$429 Roundtrip, found 16 hours ago
$429
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Dec 30 from Mobile to Rapid City, returning Sat, Jan 17, priced at $429 found 16 hours ago
American Airlines
Tue, Jan 6 - Wed, Jan 21
MOB
Mobile
RAP
Rapid City
$451 Roundtrip, found 16 hours ago
$451
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Jan 6 from Mobile to Rapid City, returning Wed, Jan 21, priced at $451 found 16 hours ago

Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $634
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $634
Flights from Mobile (MOB) to Rapid City (RAP)
Origin airport
Mobile Regional
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$299
Distance
1226 mi

Mobile to Rapid City Flights

The cheapest times to fly from Mobile to Rapid City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Mobile to Rapid City are during the month of January. You can find some of the cheapest flights from Mobile to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mobile to Rapid City

Sunday is one of the best days to book for cheap flights from Mobile to Rapid City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Mobile to Rapid City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Mobile to Rapid City in 2026. You can also book with separate airlines for your outbound and return journeys, from $216 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Mobile to Rapid City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Mobile to Rapid City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP) cost?
Lock in a cheap one-way flight from $216 or cheap return flight from $299 from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)?
The cheapest month to fly from MOB to RAP is January, when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from MOB to RAP. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)?
Direct flights from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MOB to RAP?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)?
Book a flight from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP) last-minute?
Booking your ticket from MOB to RAP right before your journey is generally more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a MOB to RAP flight and hotel package?
Compared with arranging hotels and flights separately, booking a MOB to RAP flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Mobile Regional Airport (MOB) to Rapid City Regional Airport (RAP)?
In most instances, you can cancel or modify your MOB to RAP flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.