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CA $337 Cheap Flights from Seattle (SEA) to Rapid City (RAP)

View CA $337 flight on Wed, Aug 19, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Rapid City Regional Airport (RAP)

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Cheap flights from Seattle (SEA) to Rapid City (RAP)

Prices were available within the past 7 days and start at CA $337 for one-way flights and CA $453 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 29 - Thu, Oct 15
SEA
Seattle
RAP
Rapid City
CA $453 Roundtrip, found 3 days ago
CA $453
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 29 from Seattle to Rapid City, returning Thu, Oct 15, priced at CA $453 found 3 days ago
Delta
Fri, Aug 28 - Tue, Sep 8
SEA
Seattle
RAP
Rapid City
CA $488 Roundtrip, found 3 days ago
CA $488
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Aug 28 from Seattle to Rapid City, returning Tue, Sep 8, priced at CA $488 found 3 days ago
Delta
Tue, Sep 29 - Fri, Oct 16
SEA
Seattle
RAP
Rapid City
CA $539 Roundtrip, found 3 days ago
CA $539
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 29 from Seattle to Rapid City, returning Fri, Oct 16, priced at CA $539 found 3 days ago
United
Sun, Sep 27 - Wed, Oct 14
SEA
Seattle
RAP
Rapid City
CA $567 Roundtrip, found 3 days ago
CA $567
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from Seattle to Rapid City, returning Wed, Oct 14, priced at CA $567 found 3 days ago
United
Wed, Aug 26 - Sat, Sep 12
SEA
Seattle
RAP
Rapid City
CA $574 Roundtrip, found 3 days ago
CA $574
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 26 from Seattle to Rapid City, returning Sat, Sep 12, priced at CA $574 found 3 days ago
Delta
Mon, Aug 24 - Tue, Sep 8
SEA
Seattle
RAP
Rapid City
CA $578 Roundtrip, found 3 days ago
CA $578
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 24 from Seattle to Rapid City, returning Tue, Sep 8, priced at CA $578 found 3 days ago
Delta
Thu, Aug 27 - Wed, Sep 9
SEA
Seattle
RAP
Rapid City
CA $592 Roundtrip, found 3 days ago
CA $592
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 27 from Seattle to Rapid City, returning Wed, Sep 9, priced at CA $592 found 3 days ago
American Airlines
Tue, Sep 22 - Tue, Oct 6
SEA
Seattle
RAP
Rapid City
CA $602 Roundtrip, found 3 days ago
CA $602
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 22 from Seattle to Rapid City, returning Tue, Oct 6, priced at CA $602 found 3 days ago
Delta
Mon, Sep 28 - Thu, Oct 15
SEA
Seattle
RAP
Rapid City
CA $607 Roundtrip, found 3 days ago
CA $607
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 28 from Seattle to Rapid City, returning Thu, Oct 15, priced at CA $607 found 3 days ago
Delta
Mon, Aug 17 - Tue, Sep 1
SEA
Seattle
RAP
Rapid City
CA $610 Roundtrip, found 3 days ago
CA $610
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 17 from Seattle to Rapid City, returning Tue, Sep 1, priced at CA $610 found 3 days ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional) cost?
You can find cheap one-way flights from CA $337 and cheap return flights from CA $453 SEA to RAP with Expedia. One-way flights typically cost between CA$1025 and CA$2863. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to RAP ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
January is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP), with average return fares around CA$491. January often sees lower prices because it falls after the busy holiday season, when travel demand tends to decrease. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP) include February and October.
Which airlines fly direct from Seattle, WA (SEA) to Rapid City, SD (RAP)?
Enter SEA to RAP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
United is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP), with prices starting from around CA$357 for flights that can be booked for departure within the next year. These flights typically include a layover in San Francisco Intl. (SFO). These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA) to Rapid City, SD (RAP)?
To find a cheap flight from Seattle, WA (SEA) to Rapid City, SD (RAP), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The cheapest months to fly from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP) are typically January and February, with average return flights costing around CA$491. These months often offer lower fares because they fall outside of peak travel seasons, giving you a more budget-friendly option for your trip.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
There are approximately 47 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP). Some common connection points include Denver Intl. (DEN), San Francisco Intl. (SFO), and Portland Intl. (PDX).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP) typically departs around 12:05 AM local time, operated by American Airlines. This is a seasonal service, active in June and July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
You'll generally find the most flights from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP) on a Friday, with around 21 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP) are in the early morning, from 6am to 9am. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travellers prefer these times as it allows for an early start to their journey, often leading to an earlier arrival at their destination.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Rapid City Regional (RAP), which is a distance of about 1,537 kilometers. For flights with one stop, you can expect the journey to typically take around 7 hours 18 minutes. If your flight has two or more stops, the travel time usually increases to about 11 hours. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional)?
Yes, you can fly business class or first class between SEA and RAP. You can fly business class with Delta.First class cabins are available on Delta, American Airlines, and United.
How do I earn miles on a Seattle, WA (SEA) to Rapid City, SD (RAP) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Rapid City, SD (RAP) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Rapid City, SD (RAP) from Seattle, WA (SEA)?
If you're planning to travel to Rapid City from Seattle - Tacoma Intl. (SEA), you can fly directly into Rapid City Regional (RAP). Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), or Portland Intl. (PDX) before reaching Rapid City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rapid City, SD (RAP-Rapid City Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA) to Rapid City, SD (RAP)?
If you booked your Seattle, WA (SEA) to Rapid City, SD (RAP) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $452
Distance
1527 km

Book with confidence

Seattle to Rapid City Flights

The easy way to book your flights from Seattle to Rapid City 

With Expedia, it’s simple to find and book flights to Rapid City from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Rapid City Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Rapid City today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Rapid City Regional, RAP 

Sort your search results by price to find great deals on your flight from Seattle to Rapid City—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Rapid City from Seattle currently is just CA $453 rising to CA $610.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Rapid City  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Rapid City from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Rapid City with Expedia today.

Seattle to Rapid City Flights

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