Cheap flight tickets from Seattle to Rapid City Regional

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Flight deals from Seattle to Rapid City Regional Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Rapid City Regional Airport? If you want to travel next month, return fares start from RM1,459. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Rapid City Regional

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Rapid City Regional flights are currently cheapest in March.

Seattle to Rapid City Regional: Alternative routes

Compare routes from Seattle to Rapid City below. You may find an airport to fly into that's cheaper, faster, or easier than Rapid City Regional.

Seattle to Rapid City: Flight information

The things to know before you go.
Cheapest flight foundRM1,347
Cheapest month to flyMarch

Finding cheap flights from Seattle to Rapid City Regional: Frequently asked questions

The best price we found for a return flight from Seattle to Rapid City Regional is RM1,347. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Rapid City Regional. But we found flights with one stop from RM1,347.
As of March 2026, there are no flights flying from Seattle to Rapid City Regional.
The cheapest month to fly from Seattle to Rapid City Regional is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Rapid City Regional Airport on Friday, 27 March 2026.
No airlines currently offer direct flights between Seattle and Rapid City Regional Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Rapid City Regional but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Rapid City is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Rapid City Regional is Delta .

Flying from Seattle to Rapid City Regional Airport (RAP): What you need to know

  • Start your trip at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Look for flights from Seattle to Rapid City Regional Airport (RAP) that take off from this terminal.

  • Rapid City Regional Airport is located in Rapid City. The city operates on the UTC-6 timezone and is one hour ahead of Seattle.

  • Your flight from Seattle to RAP won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • High season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Located around 23 kilometres from central Seattle, SEA can be reached in about 20 minutes by car (depending on traffic). The journey by public transport will take roughly 55 minutes.

  • Have an early flight from Seattle to Rapid City Regional Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these hotels near Seattle-Tacoma International Airport:

  • Seattle-Tacoma International Airport scores high marks for its on-time performance. 81.27% of flights that take off from SEA arrive at their destination as scheduled.

Lake Union Sea Plane Base Airport (LKE)

  • With public transport, you can travel from central Seattle to LKE in about 25 minutes. The airport is roughly 3 kilometres away, and getting there by car will take approximately 10 minutes.

  • Taking off bright and early? You might like to check in to one of these hotels near Lake Union Sea Plane Base Airport the day before your Seattle to RAP flight:

About Rapid City Regional Airport (RAP)

  • Get off your flight from Seattle to Rapid City Regional Airport and be sprawled out in your hotel bed shortly after. If you want a convenient option a quick drive from RAP, make your way to La Quinta Inn and Suites by Wyndham at WaTiki Waterpark.

  • RAP is located at 4550 Terminal Road, Suite 102.

How to find the cheapest flights from Seattle to Rapid City Regional Airport (RAP)

  • At the moment, RM914 is the lowest price we've found for a one-way ticket from Seattle to Rapid City Regional Airport. The cheapest price for a return flight is RM1,347. Keep in mind fares may change due to demand at the time of booking.

  • To find cheap flights from Seattle to RAP, book in advance. Airlines generally offer lower prices when flights first go on sale.

  • The 'Whole month' tool shows you the cheapest Seattle to Rapid City Regional Airport tickets across the month. It's an easy way to find a bargain if your dates aren't set in stone.

  • Locking in a cheap plane ticket from Seattle to RAP is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Find an affordable flight from Seattle to Rapid City Regional Airport by using filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to Rapid City Regional Airport (RAP)

  • August is the busiest month for flights from Seattle to Rapid City Regional Airport (RAP). Plan your visit to Rapid City in February for a quieter experience.

  • Lock in a Seattle to RAP plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Rapid City to range from 14ºC (57ºF) to 32ºC (90ºF).

  • Look for cheap tickets from Seattle to Rapid City Regional Airport in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -16ºC (3ºF) and 7ºC (45ºF).

More about Rapid City

Explore more of the United States

  • Rapid City has plenty to offer, but there are so many other corners of the United States waiting to be discovered. Around 290 kilometres south-west of Rapid City, a trip to Casper will keep your itinerary busy. Don't miss top attractions like Nicolaysen Art Museum, Casper Mountain Lookout and White Water Park.

  • If you're ready to explore another corner of the United States, consider Gillette, roughly 193 kilometres west of Rapid City. Eldridge Park, Gillette Brewing Company and The O-SO Fun Dog Park are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.