£197 Cheap Flights from Rapid City (RAP) to Seattle (SEA)

View £197 flight on Fri, 1 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £197 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Rapid City (RAP) to Seattle (SEA)

April is typically the cheapest month to fly

From £193 - £461 per traveller.

Graph displaying average flight prices per month

Flight from Rapid City to Seattle route information
Origin airport
Rapid City Regional
Destination airport
Seattle - Tacoma Intl.
Distance
1527 km

Compare flights from Rapid City to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Rapid City to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Rapid City Regional to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Rapid City Regional (RAP) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Rapid City to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Rapid City Regional to Seattle - Tacoma Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Rapid City and Seattle
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Rapid City to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Rapid City Regional to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Rapid City Regional Airport to SEA?
Start packing your suitcase, because round-trip flights from RAP to SEA start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from RAP to Seattle - Tacoma Intl. Airport (SEA)?
We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Rapid City Regional Airport (RAP) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Rapid City Regional Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Rapid City Regional Airport (RAP) to Seattle - Tacoma Intl. Airport (SEA)?
The flight distance from Rapid City to SeaTac is 1,550 kilometres. Bring a drink, some snacks and a good book to read. Keep yourself busy in the air and the time will fly by.
Which airlines fly direct from Rapid City Regional Airport (RAP) to SEA?
Currently, no airlines offer flights directly from Rapid City Regional Airport to Sea-Tac Airport. You'll have to book a flight with at least one stop. To score the best price and connections, lock in your fare well ahead of time.
Are RAP to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Tickets from Rapid City Regional Airport (RAP) to SEA are available up to 12 months prior to departure on Expedia. And although you may pick up fantastic last-minute deals, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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