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Cheap flights from Washington to Rapid City from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Rapid City departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:35 am - 8:54 pmSEA-RAP
8h 19m1 stop
Multiple Airlines Logo
9:44 pm - 10:55 amRAP-SEA
14h 11m2 stops
$252Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Delta Logo
12:55 am - 10:05 amPDX-RAP
8h 10m1 stop
Delta Logo
10:40 am - 4:51 pmRAP-PDX
7h 11m1 stop
$259Delta
Find Deal
Fri, Mar 6 - Wed, Mar 11
Delta Logo
6:00 am - 3:45 pmSEA-RAP
8h 45m1 stop
Delta Logo
4:25 pm - 12:01 amRAP-SEA
8h 36m1 stop
$259Delta
Find Deal
Sun, Nov 9 - Sun, Nov 16
Delta Logo
6:00 am - 2:09 pmSEA-RAP
7h 09m1 stop
Delta Logo
2:51 pm - 11:25 pmRAP-SEA
9h 34m2 stops
$264Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
1:40 pm - 10:46 pmSEA-RAP
8h 06m2 stops
Delta Logo
6:05 am - 4:54 pmRAP-SEA
11h 49m2 stops
$269Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Multiple Airlines Logo
11:43 am - 8:54 pmSEA-RAP
8h 11m1 stop
Multiple Airlines Logo
10:10 pm - 1:22 pmRAP-SEA
16h 12m1 stop
$282Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
United Airlines Logo
1:55 pm - 9:59 pmSEA-RAP
7h 04m1 stop
United Airlines Logo
5:10 am - 9:55 amRAP-SEA
5h 45m1 stop
$284United Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 6
United Airlines Logo
11:10 am - 5:00 pmSEA-RAP
4h 50m1 stop
United Airlines Logo
11:15 am - 6:10 pmRAP-SEA
7h 55m1 stop
$289United Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
American Airlines Logo
12:31 am - 1:12 pmSEA-RAP
11h 41m1 stop
American Airlines Logo
5:15 am - 6:55 pmRAP-SEA
14h 40m1 stop
$597American Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
American Airlines Logo
12:59 am - 9:16 pmSEA-RAP
19h 17m1 stop
American Airlines Logo
5:18 am - 7:00 pmRAP-SEA
14h 42m1 stop
$647American Airlines
Find Deal
Thu, Nov 13 - Sat, Nov 15

Delta flights from State of Washington to Rapid City

Our best Delta deals on State of Washington to Rapid City flight tickets
Delta
Mar 6
PDX12:55 amPortland
8h 10m
1 stop
RAP10:05 amRapid City
Mar 11
RAP10:40 amRapid City
7h 11m
1 stop
PDX4:51 pmPortland
$259
Find similar
Delta
Dec 5
SEA6:00 amSeattle/Tacoma Intl
7h 09m
1 stop
RAP2:09 pmRapid City
Dec 9
RAP2:51 pmRapid City
9h 34m
2 stops
SEA11:25 pmSeattle/Tacoma Intl
$264
Find similar
Delta
Dec 5
SEA1:40 pmSeattle/Tacoma Intl
8h 06m
2 stops
RAP10:46 pmRapid City
Dec 9
RAP6:05 amRapid City
11h 49m
2 stops
SEA4:54 pmSeattle/Tacoma Intl
$269
Find similar

United Airlines flights from State of Washington to Rapid City

Our best United Airlines deals on State of Washington to Rapid City flight tickets
United Airlines
Jan 1
SEA1:55 pmSeattle/Tacoma Intl
7h 04m
1 stop
RAP9:59 pmRapid City
Jan 6
RAP5:10 amRapid City
5h 45m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$284
Find similar
United Airlines
Oct 25
SEA11:10 amSeattle/Tacoma Intl
4h 50m
1 stop
RAP5:00 pmRapid City
Oct 29
RAP11:15 amRapid City
7h 55m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$289
Find similar
United Airlines
Oct 25
PDX8:35 amPortland
5h 10m
1 stop
RAP2:45 pmRapid City
Oct 29
RAP11:15 amRapid City
8h 21m
2 stops
PDX6:36 pmPortland
$294
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Rapid City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 12, 2025.
Use the filters below to find and compare flights from Washington to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 11/9

11:35 am-8:54 pm

1 stop8h 19m

Rapid City

Sun 11/16

9:44 pm-10:55 am

2 stops14h 11m

$252

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 3/6

12:55 am-10:05 am

1 stop8h 10m

Rapid City

Wed 3/11

10:40 am-4:51 pm

1 stop7h 11m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 11/9

6:00 am-3:45 pm

1 stop8h 45m

Rapid City

Sun 11/16

4:25 pm-12:01 am

1 stop8h 36m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Fri 12/5

6:00 am-2:09 pm

1 stop7h 09m

Rapid City

Tue 12/9

2:51 pm-11:25 pm

2 stops9h 34m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Fri 12/5

1:40 pm-10:46 pm

2 stops8h 06m

Rapid City

Tue 12/9

6:05 am-4:54 pm

2 stops11h 49m

$269

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 11/16

11:43 am-8:54 pm

1 stop8h 11m

Rapid City

Sun 11/23

10:10 pm-1:22 pm

1 stop16h 12m

$282

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 1/1

1:55 pm-9:59 pm

1 stop7h 04m

Rapid City

Tue 1/6

5:10 am-9:55 am

1 stop5h 45m

$284

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 10/25

11:10 am-5:00 pm

1 stop4h 50m

Rapid City

Wed 10/29

11:15 am-6:10 pm

1 stop7h 55m

$289

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/4

12:31 am-1:12 pm

1 stop11h 41m

Rapid City

Tue 12/9

5:15 am-6:55 pm

1 stop14h 40m

$597

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 11/13

12:59 am-9:16 pm

1 stop19h 17m

Rapid City

Sat 11/15

5:18 am-7:00 pm

1 stop14h 42m

$647

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from State of Washington to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Rapid City?

The month of January is, on average, the cheapest month to fly to Rapid City from State of Washington, with most prices found around $345. If you aren’t able to travel to Rapid City during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $368.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Thursday is the cheapest day to fly to Rapid City from State of Washington. The lowest ticket price found for a Thursday departure recently was $591. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Monday, with ticket prices averaging around $691.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the evening. Flights from State of Washington to Rapid City during this time can be as low as $530. Flights at noon are often more expensive with an average ticket price of $673.

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

You are more likely to see cheaper flights to Rapid City from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from State of Washington for as low as $396 on momondo.

Cheap State of Washington to Rapid City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Rapid City

Direct flights

None
There are no direct flights from State of Washington to Rapid City. There are no popular flight routes from State of Washington to Rapid City.
Search flight deals

  • When did momondo last update prices for flights from Washington to Rapid City Airport?

    Prices for flights from Washington to Rapid City Airport refresh daily.

  • How many operators does momondo search for flights from Washington to Rapid City Airport?

  • How old do you have to be to fly from Washington to Rapid City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Rapid City

Compare and see reviews for airlines that fly from State of Washington to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $137Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,972 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,971 reviews
Search Delta flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish
Custer
Wall
Hill City
Hot Springs

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Rapid City?

Finding the right flight to Rapid City from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rapid City quick and easy, saving you time and money.

Can I find flights from Washington to Rapid City with flexible booking policies on momondo?

Yes. All flights to Rapid City from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Rapid City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Rapid City.

I’m not ready to book a flight from Washington to Rapid City right now. Can momondo alert me if prices change?

Price alerts on flights to Rapid City from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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