Find flights
Deals
Insights
When to book
FAQs & Tips
Airlines

RAP - SEA

$156 Find cheap flights from Rapid City to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Rapid City to Seattle departing on 6/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 7/9
Tue 7/16

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rapid City to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rapid City to Seattle, as well as popular online travel agencies
In the last 7 days travelers have searched 43,124,673 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Rapid City to Seattle (RAP-SEA)

 
These are the cheapest deals for flights from Rapid City to Seattle currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Rapid City to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Rapid City to Seattle.

Recent one-way flight deals from Rapid City to Seattle

Only flying one-way? Below are some of the best one-way flight deals from Rapid City to Seattle found on KAYAK recently.

Recent last minute flight deals from Rapid City to Seattle

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Rapid City to Seattle.

Recent direct flight deals from Rapid City to Seattle

The latest deals for direct flights from Rapid City to Seattle so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Rapid City to Seattle

Find recent round-trip train or bus tickets from Rapid City to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:56 pm - 8:23 pmRAP-SEA
24h 27m2 stops
9:25 am - 4:35 pmSEA-RAP
6h 10m1 stop
Fri, Jul 19 - Fri, Jul 26
8:56 pm - 8:23 pmRAP-SEA
24h 27m2 stops
5:10 am - 8:06 pmSEA-RAP
13h 56m3 stops
Fri, Jul 19 - Fri, Jul 26
5:20 pm - 10:53 pmRAP-SEA
6h 33m1 stop
9:25 am - 4:35 pmSEA-RAP
6h 10m1 stop
$350Sun Country Air
Find Deal
Fri, Jul 19 - Fri, Jul 26
8:56 pm - 8:23 pmRAP-SEA
24h 27m2 stops
3:49 pm - 9:42 amSEA-RAP
16h 53m2 stops
Fri, Jul 19 - Fri, Jul 26
8:56 pm - 12:35 amRAP-SEA
28h 39m3 stops
5:10 am - 8:06 pmSEA-RAP
13h 56m3 stops
Fri, Jul 19 - Fri, Jul 26
5:05 pm - 9:02 amRAP-SEA
16h 57m1 stop
9:12 am - 4:49 pmSEA-RAP
6h 37m1 stop
$430Sun Country Air
Find Deal
Fri, Jun 21 - Mon, Jun 24
7:00 am - 10:45 pmRAP-SEA
16h 45m1 stop
5:00 am - 10:00 pmSEA-RAP
16h 00m1 stop
$515United Airlines
Find Deal
Wed, Aug 7 - Thu, Aug 22
7:00 am - 10:45 pmRAP-SEA
16h 45m1 stop
4:25 pm - 12:43 pmSEA-RAP
19h 18m2 stops
$520United Airlines
Find Deal
Wed, Aug 7 - Thu, Aug 22
1:31 pm - 8:03 pmRAP-SEA
7h 32m1 stop
12:13 am - 9:50 amSEA-RAP
8h 37m1 stop
$530American Airlines
Find Deal
Thu, Jul 4 - Mon, Jul 8
2:24 pm - 11:05 pmRAP-SEA
9h 41m1 stop
1:14 am - 9:43 amSEA-RAP
7h 29m1 stop
$531American Airlines
Find Deal
Wed, Aug 7 - Wed, Aug 21
4:56 pm - 8:32 amRAP-SEA
16h 36m1 stop
Thu, Jun 20
4:55 pm - 10:53 pmRAP-SEA
6h 58m1 stop
$193Sun Country Air
Find Deal
Fri, Jul 5
7:00 am - 10:45 pmRAP-SEA
16h 45m1 stop
$263United Airlines
Find Deal
Wed, Aug 7
4:01 pm - 8:02 amRAP-SEA
17h 01m1 stop
$268United Airlines
Find Deal
Wed, Jul 3
11:35 am - 4:15 pmRAP-SEA
29h 40m3 stops
Wed, Aug 7
5:30 am - 10:30 pmRAP-SEA
18h 00m2 stops
$298United Airlines
Find Deal
Fri, Jul 5
4:56 pm - 8:08 amRAP-SEA
16h 12m2 stops
Thu, Jun 20
4:56 pm - 10:54 pmRAP-SEA
30h 58m3 stops
Thu, Jun 20
5:50 pm - 2:29 pmRAP-SEA
21h 39m2 stops
$358United Airlines
Find Deal
Wed, Jul 3
5:30 am - 2:29 pmRAP-SEA
9h 59m2 stops
$368United Airlines
Find Deal
Wed, Aug 7

Flights from Rapid City to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Rapid City to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Rapid City to Seattle?

The average price of all flights from Rapid City to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Rapid City to Seattle, look for departures on Sundays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Seattle, Tuesday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from Rapid City to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Rapid City to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Rapid City to Seattle is November, where tickets cost $466 on average. On the other hand, the most expensive months are May and July, where the average cost of tickets is $725 and $716 respectively.

How far in advance should I book a flight from Rapid City to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Rapid City to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Rapid City to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 70 days before departure.

Which airlines provide the cheapest flights from Rapid City to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, Sun Country Air offered the best one-way deal for that route, at $193. KAYAK users also found Rapid City to Seattle round-trip flights on Sun Country Air from $350 and on United Airlines from $515.

Good to know

Low season

February

High season

July

Cheapest flight

$156
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 12% increase in price.
Flight from Rapid City to Seattle

When to book flights from Rapid City to Seattle

Are your dates flexible? Find out the best times to travel from Rapid City to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Rapid City to Seattle

  • What is the cheapest flight from Rapid City to Seattle?

    In the last 3 days, the lowest price for a flight from Rapid City to Seattle was $156 for a one-way ticket and $340 for a round-trip.

  • Do I need a passport to fly between Rapid City and Seattle?

    No, a passport isn't needed to fly from Rapid City to Seattle. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Rapid City to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Rapid City to Seattle?

    Star Alliance, and oneworld are the airline alliances operating flights between Rapid City and Seattle, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Rapid City to Seattle, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Rapid City to Seattle are United Airlines and American Airlines. With an average price for the route of $641 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $582 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Rapid City to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rapid City to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rapid City to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Rapid City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Rapid City to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Rapid City with another airline. Booking your flights between Rapid City and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rapid City to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Rapid City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Rapid City to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Rapid City to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Rapid City to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10310 reviews
8.2Boarding
7.4Food
8.0Entertainment
7.9Comfort
8.6Crew
Airline reviews

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

10.0 ExcellentDonald, May 2024FLL - SEA
Read more about Delta reviews

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Original plane sidelined. Had to wait an hour for replacement.

Crew was very cooperative and professional. Passenger's first checked in bag should be free.

No real agent onsite helping you for missing luggage there. Not like the other airline next to UA desk, they have staff attending in their desk assisting answer/helping luggage issue, even after midnight.

Horrible, the flights kept delaying, so it is obvious that we won't be able to make it to the next connection. No easier/real agent on site to help you figure this out. UA agent on other counters refuse to assist you and direct us to use the QR code/call customer service. So inefficient and poor. While technology seems convenient, but it's not the best interest/experience for customers need help while there is active issue need assistance.

After the morning frenzy of 35 min wait through CLT security at 4;30 AM, it was nice to have a smooth pleasant boarding experience. This 6:30 AM flight was not full. We were able to get seated swiftly and took off promptly. Nice touch they distributed the old fashioned headsets with 8 mm jacks. Snacks were decent and arrival was uneventful.

My window shade didn’t work. So I missed coming into my city. ☹️

Flight was delayed in the gate by 5 hours and ultimately cancelled- rebooking service by United agents was terrible

Flight was delayed due to the late arrival of the catering truck, which is quite unacceptable. There was a beverage service, but no pretzel, or cookie, or nuts were served in coach.

Not worth the price of premium class ticket paid, felt more like steerage.

Flighty delayed on boarding - then group 1 had to check their carry on bags but groups 3 and beyond could carry bags on - very inconvenient for weekend business trip with no checked baggage. Then delayed on the runway - before take off. No communication from pilot on why or how long. Wifi/Entertainment didn't work for 4+ flight. Upon arrival, attendants announced wrong carousel for baggage claim - everyone was waiting at the wrong place for their checked bags. This was a mess united!

This is by far the worst experience I have had with American Airlines. The start of this trip was a complete disaster. I purposely planned my trip so that I would weather any delays so that I could make very important meeting at the Pentagon. My flight was cancelled because of maintenance and I was put on the first flight the next day but I was late to the meeting. After a long week at the Pentagon I just wanted to go home and my flight home which was early in the day was delayed. Eventually the flight was delayed until the next day. I was not authorized a hotel room because DCA was my point of origin. So I paid for a hotel out of pocket. The flight this morning was boarded then deplaned because the aircraft was hot. The flow of information was not happening in DCA and made it worse when the news was bad. I am going to take a break from American for my next few military flights. Hopefully whatever has been going on with American Airlines will be resolved.

We had a 2 hour delay. The seats were smaller than most other airlines. The person in front of us wanted to lay back and we had to stop her because she was pressing against my girlfriend’s legs. We had to ask her to sit up and not lay back due to the lack of room.

Everything was fine once we actually got on our flight. It was more then annoying they canceled (delayed) our flight. We lost out on a day of our trip along with money on our stay. Plus we had to book another hotel. So expensive.

This flight was canceled and delayed several times without explanation. The plane was freezing cold and no wifi for messaging. Getting off the plane was terribly unorganized and felt like it took forever….

The flight was delayed several times without explanation. The seats were terribly uncomfortable and wifi isn’t included. All these make for a less than ideal flight.

The flights was delayed by hours and it was the firmest landing I have experienced in my life. My back is still sore.

Internet service was erratic. Crew service was poor and slow. My luggage on this non-stop flight was lost and not recovered

Terrible. I didn’t fly and I had an important meeting the next day.

Equipment swap led to 2+ hour delay on international flight. And to top it off, boarding took forever.

Wretched scheduling - they got themselves into a critical crew situation and didn’t try to address it until 15 minutes before they had to cancel my flight

Book cheap flights from Rapid City to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Rapid City to Seattle found on KAYAK in the last 72 hours.
6/20Thu
1 stop
16h 36mRAP-SEA
$156
7/5Fri
1 stopSun Country Air
6h 58mRAP-SEA
$193
8/7Wed
1 stopUnited Airlines
16h 45mRAP-SEA
$263
7/3Wed
1 stopUnited Airlines
17h 01mRAP-SEA
$268
8/7Wed
3 stops
29h 40mRAP-SEA
$271
7/5Fri
2 stopsUnited Airlines
18h 00mRAP-SEA
$298
6/20Thu
2 stops
16h 12mRAP-SEA
$307
6/20Thu
3 stops
30h 58mRAP-SEA
$311
7/3Wed
2 stopsUnited Airlines
21h 39mRAP-SEA
$358
8/7Wed
2 stopsUnited Airlines
9h 59mRAP-SEA
$368

Search by stops

Search by airline

Search by price

Rapid City - Seattle Flights

Departure:

Rapid City (RAP)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Rapid City

Cabin classes: