How long is the flight from Seattle to Rock Springs?

There are many flights that can get you from Seattle to Rock Springs in 7h 42m. Fly via United Airlines to get the fastest option. Seattle and Rock Springs are separated by a distance of 766 mi.

In terms of precipitation, rainfall in Rock Springs ranges from 0.5 - 1.2 inches per month. May is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Rock Springs when rainfall is around 0.5 in.

If weather is an important factor for your trip to Rock Springs, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Rock Springs as you normally would.

Can I find deals for flights from Seattle to Rock Springs that include hotel bookings?

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

How can I find direct flights from Seattle to Rock Springs?

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

Can I find deals for business class flights from Seattle to Rock Springs?

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

$358+ Cheap Flights from Seattle to Rock Springs

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Cheap flight deals from Seattle to Rock Springs

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Cheapest flights from Seattle to Rock Springs
Explore the most affordable flight options available from Seattle to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Thu 10/15:00 am -

1 stop7h 42m

Mon 10/52:22 pm -

1 stop7h 53m

Deal found 9/16

$358

Wed 11/258:35 pm -

2 stops16h 09m

Mon 11/305:00 am -

1 stop5h 47m

Deal found 9/17

$762

Find flight deals from Seattle to Rock Springs

Round-trip from	$358 (United Airlines)

From Seattle/Tacoma Intl to Rock Springs Sweetwater County

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SeattleRock Springs

SEA Seattle/Tacoma Intl - RKS Rock Springs Sweetwater County

SEARKS

Seattle/Tacoma Intl

Thu 10/1

5:00 am-1:42 pm

1 stop7h 42m

Rock Springs Sweetwater County

Mon 10/5

2:22 pm-9:15 pm

1 stop7h 53m

$358

SeattleRock Springs

SEA Seattle/Tacoma Intl - RKS Rock Springs Sweetwater County

SEARKS

Seattle/Tacoma Intl

Wed 11/25

8:35 pm-1:44 pm

2 stops16h 09m

Rock Springs Sweetwater County

Mon 11/30

5:00 am-9:47 am

1 stop5h 47m

$762

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Deals found on 9/16

Sorted by cheapest first

Best time to book a flight from Seattle to Rock Springs

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SEA-RKS

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.

Related info for your journey

How long is the flight from Seattle to Rock Springs?
There are many flights that can get you from Seattle to Rock Springs in 7h 42m. Fly via United Airlines to get the fastest option. Seattle and Rock Springs are separated by a distance of 766 mi.
Can I find deals for flights from Seattle to Rock Springs that include hotel bookings?
Yes. In addition to deals on Seattle to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Rock Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Rock Springs.
Can I find deals for business class flights from Seattle to Rock Springs?
Yes. Cheapflights offers flight deals from Seattle to Rock Springs by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$358+ Cheap flights from Seattle to Rock Springs (SEA - RKS)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Rock Springs with Cheapflights

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Cheap flight deals from Seattle to Rock Springs

Cheapest flights from Seattle to Rock SpringsExplore the most affordable flight options available from Seattle to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Explore the most affordable flight options available from Seattle to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Seattle to Rock SpringsDiscover carefully curated flight deals from Seattle to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Discover carefully curated flight deals from Seattle to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Last-minute flights from Seattle to Rock SpringsDiscover last-minute flight deals from Seattle to Rock Springs. Data last updated September 19, 2026 and is based on user searches.

Discover last-minute flight deals from Seattle to Rock Springs. Data last updated September 19, 2026 and is based on user searches.

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Best time to book a flight from Seattle to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Seattle with our price prediction graph.

Related info for your journey

How long is the flight from Seattle to Rock Springs?

Can I find deals for flights from Seattle to Rock Springs that include hotel bookings?

How can I find direct flights from Seattle to Rock Springs?

Can I find deals for business class flights from Seattle to Rock Springs?

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Cheapest flights from Seattle to Rock Springs
Explore the most affordable flight options available from Seattle to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Seattle to Rock Springs
Discover carefully curated flight deals from Seattle to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Last-minute flights from Seattle to Rock Springs
Discover last-minute flight deals from Seattle to Rock Springs. Data last updated September 19, 2026 and is based on user searches.