Cheap flights from Rapid City to Seattle from $152
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Seattle departing on 1/31. 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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Fly from
Fly to
Route
Depart
Return
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 10/29
4:10 pm-11:15 pm
1 stop8h 05m
Seattle/Tacoma Intl
Mon 11/2
3:49 pm-10:30 pm
1 stop5h 41m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 11/6
4:00 pm-11:15 pm
1 stop8h 15m
Seattle/Tacoma Intl
Fri 11/13
12:45 pm-8:43 pm
1 stop6h 58m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 11/13
4:36 pm-11:57 pm
1 stop8h 21m
Seattle/Tacoma Intl
Sun 11/15
6:00 am-3:54 pm
1 stop8h 54m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 10/29
2:37 pm-8:50 pm
1 stop7h 13m
Seattle/Tacoma Intl
Sat 10/31
1:42 pm-10:30 pm
1 stop7h 48m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 10/30
5:50 pm-11:15 pm
1 stop6h 25m
Seattle/Tacoma Intl
Mon 11/2
3:49 pm-10:30 pm
1 stop5h 41m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 11/6
4:00 pm-11:15 pm
1 stop8h 15m
Seattle/Tacoma Intl
Fri 11/13
12:45 pm-8:43 pm
1 stop6h 58m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 10/30
5:50 pm-11:15 pm
1 stop6h 25m
Seattle/Tacoma Intl
Tue 11/3
5:05 am-11:58 am
1 stop5h 53m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 10/30
4:10 pm-9:19 pm
1 stop6h 09m
Seattle/Tacoma Intl
Mon 11/2
12:20 pm-10:30 pm
2 stops9h 10m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Thu 10/29
4:10 pm-9:19 pm
1 stop6h 09m
Seattle/Tacoma Intl
Mon 11/2
12:20 pm-10:30 pm
2 stops9h 10m
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 11/6
5:50 pm-11:15 pm
1 stop6h 25m
Seattle/Tacoma Intl
Fri 11/13
12:20 pm-10:30 pm
2 stops9h 10m
See travel insights to Seattle from
How to get the cheapest flight ticket from Rapid City to Seattle
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 Seattle?
In general, February is the cheapest month to fly from Rapid City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $298. If you don’t want to visit Seattle in February, then you should wait until October to fly from Rapid City, when ticket prices are also cheap, with an average price of $348.
Can stopping save me money on Rapid City to Seattle flights?
You could potentially save up to 36% on your flight if you consider stops on a Rapid City to Seattle flight.
When to book flights from Rapid City to Seattle
Cheap Rapid City to Seattle (RAP to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rapid City to Seattle
Frequently asked questions about flying from Rapid City to Seattle
How far is Rapid City to Seattle/Tacoma Intl by plane?
The straight-line distance from Rapid City to Seattle/Tacoma Intl is 948.2 mi. By plane, this route typically takes 7h 13m.
When did momondo last update prices for flights from Rapid City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Rapid City Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Rapid City Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Rapid City Airport to Seattle/Tacoma Intl Airport is 1 as of October 2026.
How old do you have to be to fly from Rapid City Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Rapid City to Seattle?
momondo data reveals that the most frequently booked airline on the route from Rapid City to Seattle is United Airlines, representing 100% of all bookings.
Best airlines flying from Rapid City to Seattle
Compare and see reviews for airlines that fly from Rapid City to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $278 | Free Cancellation | Rating 7.4 10,331 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Rapid City to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rapid City to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Rapid City to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Rapid City which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Rapid City to Seattle?
Once you have performed a search for Rapid City to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Rapid City to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Rapid City to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.