$147+ Cheap flights from Rapid City to Seattle (RAP - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to Seattle
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Cheapest flights from Rapid City to SeattleExplore the most affordable flight options available from Rapid City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Rapid City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:23 pm -
1 stop7h 23m
Sun 11/221:50 pm -
1 stop7h 51m
Deal found 10/21![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
2 stops8h 23m
Wed 1/61:18 pm -
2 stops8h 16m
Deal found 10/21![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:56 pm -
1 stop15h 41m
Sun 11/2210:18 am -
2 stops10h 00m
Deal found 10/22![Multiple Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop8h 15m
Thu 11/123:49 pm -
1 stop5h 41m
Deal found 10/21![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:04 am -
1 stop8h 06m
Wed 12/231:37 pm -
2 stops30h 50m
Deal found 10/23![Multiple Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:50 pm -
1 stop6h 25m
Mon 11/95:05 am -
1 stop5h 53m
Deal found 10/21![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 am -
1 stop5h 47m
Wed 11/116:00 am -
2 stops10h 09m
Deal found 10/23![United Airlines logo]()
$404
Best flights from Rapid City to SeattleDiscover carefully curated flight deals from Rapid City to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Rapid City to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:23 pm -
1 stop7h 23m
Sun 11/221:50 pm -
1 stop7h 51m
Deal found 10/21![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/51:07 pm -
1 stop7h 55m
Tue 2/910:00 am -
1 stop9h 23m
Deal found 10/25![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1612:18 pm -
1 stop7h 06m
Wed 1/65:00 am -
1 stop7h 06m
Deal found 10/21![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/54:35 pm -
1 stop5h 42m
Tue 2/97:00 am -
2 stops11h 01m
Deal found 10/25![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:28 am -
2 stops8h 13m
Thu 11/266:00 am -
1 stop8h 54m
Deal found 10/22![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:23 pm -
1 stop7h 23m
Sun 11/156:00 am -
1 stop6h 43m
Deal found 10/24![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop6h 19m
Thu 11/1212:20 pm -
2 stops9h 10m
Deal found 10/21![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:50 pm -
1 stop6h 25m
Mon 11/95:05 am -
1 stop5h 53m
Deal found 10/21![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:39 am -
2 stops13h 23m
Wed 11/111:25 pm -
2 stops8h 16m
Deal found 10/23![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop7h 46m
Tue 12/85:05 am -
1 stop6h 58m
Deal found 10/24![United Airlines logo]()
$449
Last-minute flights from Rapid City to SeattleDiscover last-minute flight deals from Rapid City to Seattle. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Seattle. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop8h 15m
Thu 11/123:49 pm -
1 stop5h 41m
Deal found 10/21![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:50 pm -
1 stop6h 25m
Mon 11/95:05 am -
1 stop5h 53m
Deal found 10/21![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 am -
1 stop5h 47m
Wed 11/116:00 am -
2 stops10h 09m
Deal found 10/23![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:39 am -
2 stops13h 23m
Wed 11/111:25 pm -
2 stops8h 16m
Deal found 10/23![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:23 pm -
1 stop7h 23m
Sun 11/221:50 pm -
1 stop7h 51m
Deal found 10/21![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:56 pm -
1 stop15h 41m
Sun 11/2210:18 am -
2 stops10h 00m
Deal found 10/22![Multiple Airlines logo]()
$373
One-way flights from Rapid City to SeattleSearch for one-way flight options from Rapid City to Seattle. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Rapid City to Seattle. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:08 pm -
2 stops48h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:56 pm -
1 stop15h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:08 pm -
1 stop15h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:02 am -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:06 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:56 pm -
1 stop19h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:53 pm -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:53 pm -
2 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$188
Find flight deals from Rapid City to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $147 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $348 |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to Seattle 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Rapid City to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Tue 11/17
11:28 am-6:41 pm
2 stops8h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$308
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Wed 11/18
2:23 pm-8:46 pm
1 stop7h 23m
Seattle/Tacoma Intl
Sun 11/22
1:50 pm-10:41 pm
1 stop7h 51m
$349
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 2/5
1:07 pm-8:02 pm
1 stop7h 55m
Seattle/Tacoma Intl
Tue 2/9
10:00 am-8:23 pm
1 stop9h 23m
$349
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Wed 12/16
12:18 pm-6:24 pm
1 stop7h 06m
Seattle/Tacoma Intl
Wed 1/6
5:00 am-1:06 pm
1 stop7h 06m
$349
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 2/5
4:35 pm-9:17 pm
1 stop5h 42m
Seattle/Tacoma Intl
Tue 2/9
7:00 am-7:01 pm
2 stops11h 01m
$354
Quickest round-trip
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Wed 11/4
4:00 pm-9:19 pm
1 stop6h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$373
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 11/19
11:28 am-6:41 pm
2 stops8h 13m
Seattle/Tacoma Intl
Thu 11/26
6:00 am-3:54 pm
1 stop8h 54m
$374
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 11/12
2:23 pm-8:46 pm
1 stop7h 23m
Seattle/Tacoma Intl
Sun 11/15
6:00 am-1:43 pm
1 stop6h 43m
$374
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Tue 11/3
7:00 am-4:12 pm
2 stops10h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$378
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 11/5
4:00 pm-9:19 pm
1 stop6h 19m
Seattle/Tacoma Intl
Thu 11/12
12:20 pm-10:30 pm
2 stops9h 10m
$379
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Rapid City to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rapid City to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Rapid City with our price prediction graph.
RAP-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Rapid City to Seattle
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 25, 2026.
See what other customers who have flown with United Airlines from Rapid City to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Overall
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Crew
8.1
Overall
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Rapid City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
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Lacey
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Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
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Rapid City and Seattle flights
Browse other Rapid City and Seattle flight options. Last updated on October 25, 2026.
Other flights from Rapid City
Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Top airline flying from Rapid City to Seattle
Discover the top airline that operate flights from Rapid City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$460 | FlexibilityNo cancel fee | On-time69% |