What are the cheapest airlines flying from Rapid City to Seattle round-trip?

Our cheapest airline available from Rapid City to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $258 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $518 and $578 round-trip. Users have found that United Airlines is 58% cheaper than the other options available to this destination.

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

Travelers seeking maximum savings on their Rapid City to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Rapid City to Seattle?

Saturday flights are generally found to be more expensive for flights from Rapid City to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

To save on the cost of your flight from Rapid City to Seattle, book at least 21 days before your planned departure. Booking around this time can save you about 93% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $408 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.

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

April can be a great time to fly to Seattle from Rapid City with a flight ticket averaging about $624. Cheapflights users have found deals in the month of April for as cheap as $465. The most expensive prices can be found in the month of May.

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.

Can I find deals for flights from Rapid City to Seattle that include hotel bookings?

Yes. In addition to deals on Rapid City to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Rapid City to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Seattle.

Can I find deals for business class flights from Rapid City to Seattle?

Yes. Cheapflights offers flight deals from Rapid City to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$258+ Flights from Rapid City to Seattle

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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.

The best prices from Rapid City to Seattle/Tacoma Intl are usually found in April or October, booked 20 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Rapid City to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$258 (United Airlines)
Popular in	May
Cheapest in	April
Average price	$577

Provider with most accurate pricing for Rapid City-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Rapid City-Seattle/Tacoma Intl flights.

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From Rapid City to Seattle/Tacoma Intl

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High demand for flights, 2% potential price rise

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Best time to find cheap flights, 2% potential price drop

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Average for round-trip flights in December 2024

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Find flight deals from Rapid City to Seattle

Cheapest flights from Rapid City to Seattle
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 December 18, 2024.

Tue 12/243:49 pmRAP - SEA

1 stop6h 21mUnited Airlines

Thu 1/23:22 pmSEA - RAP

1 stop4h 52mUnited Airlines

Deal found 12/17

$455

Tue 12/248:03 pmRAP - SEA

2 stops15h 32mMultiple Airlines

Thu 1/26:11 amSEA - RAP

2 stops13h 59mMultiple Airlines

Deal found 12/17

$683

Tue 12/245:23 amRAP - SEA

1 stop10h 27mAmerican Airlines

Wed 1/112:55 amSEA - RAP

1 stop9h 41mAmerican Airlines

Deal found 12/17

$831

Best flights from Rapid City to Seattle
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 December 18, 2024.

Wed 1/86:10 pmRAP - SEA

1 stop5h 59mUnited Airlines

Sat 1/113:18 pmSEA - RAP

1 stop5h 55mUnited Airlines

Deal found 12/18

$258

Thu 1/910:08 pmRAP - SEA

3 stops19h 52mMultiple Airlines

Sun 1/127:10 amSEA - RAP

1 stop13h 08mMultiple Airlines

Deal found 12/18

$293

Sat 5/174:36 pmRAP - SEA

1 stop7h 13mAmerican Airlines

Mon 5/2611:55 pmSEA - RAP

1 stop10h 35mAmerican Airlines

Deal found 12/17

$518

Mon 1/611:49 amRAP - SEA

2 stops14h 01mDelta

Thu 1/96:15 amSEA - RAP

1 stop8h 22mDelta

Deal found 12/18

$578

Last-minute flights from Rapid City to Seattle
Discover last-minute flight deals from Rapid City to Seattle. Data last updated December 18, 2024 and is based on user searches.

Tue 12/243:49 pmRAP - SEA

1 stop6h 21mUnited Airlines

Thu 1/23:22 pmSEA - RAP

1 stop4h 52mUnited Airlines

Deal found 12/17

$455

Tue 12/248:03 pmRAP - SEA

2 stops15h 32mMultiple Airlines

Thu 1/26:11 amSEA - RAP

2 stops13h 59mMultiple Airlines

Deal found 12/17

$683

Tue 12/245:23 amRAP - SEA

1 stop10h 27mAmerican Airlines

Wed 1/112:55 amSEA - RAP

1 stop9h 41mAmerican Airlines

Deal found 12/17

$831

Sun 1/54:28 pmRAP - SEA

1 stop9h 29mAmerican Airlines

Thu 1/912:45 amSEA - RAP

1 stop10h 12mAmerican Airlines

Deal found 12/16

$637

Mon 1/611:49 amRAP - SEA

2 stops14h 01mDelta

Thu 1/96:15 amSEA - RAP

1 stop8h 22mDelta

Deal found 12/18

$578

Wed 1/86:10 pmRAP - SEA

1 stop5h 59mUnited Airlines

Sat 1/113:18 pmSEA - RAP

1 stop5h 55mUnited Airlines

Deal found 12/18

$258

Thu 1/910:08 pmRAP - SEA

3 stops19h 52mMultiple Airlines

Sun 1/127:10 amSEA - RAP

1 stop13h 08mMultiple Airlines

Deal found 12/18

$293

One-way flights from Rapid City to Seattle
Search for one-way flight options from Rapid City to Seattle. Find affordable one-way fares based on user searches. Data last updated December 18, 2024.

Wed 1/85:20 amRAP - SEA

1 stop5h 39mUnited Airlines

Deal found 12/16

$264

Find flights from Rapid City to Seattle within your budget

Fly from

Fly to

Route

Depart

Return

Price

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 1/8

6:10 pm-11:09 pm

1 stop5h 59m

Seattle/Tacoma Intl

Sat 1/11

3:18 pm-10:13 pm

1 stop5h 55m

$258

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 1/9

10:08 pm-5:00 pm

3 stops19h 52m

Seattle/Tacoma Intl

Sun 1/12

7:10 am-9:18 pm

1 stop13h 08m

$293

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Sat 5/17

4:36 pm-10:49 pm

1 stop7h 13m

Seattle/Tacoma Intl

Mon 5/26

11:55 pm-11:30 am

1 stop10h 35m

$518

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Mon 1/6

11:49 am-12:50 am

2 stops14h 01m

Seattle/Tacoma Intl

Thu 1/9

6:15 am-3:37 pm

1 stop8h 22m

$578

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 1/8

5:20 am-9:59 am

1 stop5h 39m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Compare providers for flights from Rapid City to Seattle

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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.

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.

Travel insights for flights from Rapid City to Seattle

Get recent, data-driven insights about flights from Rapid City to Seattle including ideal travel times, pricing trends, and more.

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

The price you pay for your flight from Rapid City to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Rapid City to Seattle?

Currently, January is the cheapest month in which you can book a flight from Rapid City to Seattle (average of $238). Flying from Rapid City to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RAP to SEA?

It’s typically best to fly out from Rapid City to Seattle at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with United Airlines and American Airlines from Rapid City to Seattle by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,604 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

9,059 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Rapid City to Seattle round-trip?
Our cheapest airline available from Rapid City to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $258 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $518 and $578 round-trip. Users have found that United Airlines is 58% cheaper than the other options available to this destination.
Can I find deals for flights from Rapid City to Seattle that include hotel bookings?
Yes. In addition to deals on Rapid City to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Rapid City to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Seattle.
Can I find deals for business class flights from Rapid City to Seattle?
Yes. Cheapflights offers flight deals from Rapid City to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Rapid City to Seattle?
Currently, January is the cheapest month in which you can book a flight from Rapid City to Seattle (average of $238). Flying from Rapid City to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Seattle

Top 2 airlines flying from Rapid City to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$263	Average$544	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$440	Average$637	FlexibilityNo cancel fee	On-time69%

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$258+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Rapid City to Seattle/Tacoma Intl are usually found in April or October, booked 20 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Rapid City to Seattle

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Rapid City to Seattle

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 December 18, 2024.

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 December 18, 2024.

Find flights from Rapid City to Seattle within your budget

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 December.

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.

Travel insights for flights from Rapid City to Seattle

Get recent, data-driven insights about flights from Rapid City to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Rapid City to Seattle. Price data was last updated on December 13, 2024.

What is the cheapest month to book a flight from Rapid City to Seattle?

What is the cheapest time of day to fly from RAP to SEA?

Find hourly flight availability from Rapid City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

Reviews of airlines servicing Seattle

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.

What are the cheapest airlines flying from Rapid City to Seattle round-trip?

Can I find deals for flights from Rapid City to Seattle that include hotel bookings?

How can I find direct flights from Rapid City to Seattle?

Can I find deals for business class flights from Rapid City to Seattle?

What is the cheapest month to book a flight from Rapid City to Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Rapid City to Seattle

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Cheapest flights from Rapid City to Seattle
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 December 18, 2024.