Cheap flights from Rock Springs to Washington from $428
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rock Springs to Washington departing on 12/12. 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
Rock SpringsSeattle
RKS Rock Springs Sweetwater County - SEA Seattle/Tacoma Intl
RKSSEA
Rock Springs Sweetwater County
Sat 12/12
2:25 pm-9:21 pm
1 stop7h 56m
Seattle/Tacoma Intl
Tue 12/15
5:05 am-1:29 pm
1 stop7h 24m
Rock SpringsSeattle
RKS Rock Springs Sweetwater County - SEA Seattle/Tacoma Intl
RKSSEA
Rock Springs Sweetwater County
Tue 11/10
5:00 am-9:47 am
1 stop5h 47m
Seattle/Tacoma Intl
Sat 11/14
5:05 am-1:48 pm
1 stop7h 43m
Rock SpringsSeattle
RKS Rock Springs Sweetwater County - SEA Seattle/Tacoma Intl
RKSSEA
Rock Springs Sweetwater County
Sat 12/12
2:25 pm-9:21 pm
1 stop7h 56m
Seattle/Tacoma Intl
Tue 12/15
9:00 am-10:20 pm
2 stops12h 20m
Rock SpringsSeattle
RKS Rock Springs Sweetwater County - SEA Seattle/Tacoma Intl
RKSSEA
Rock Springs Sweetwater County
Sat 12/12
2:25 pm-9:21 pm
1 stop7h 56m
Seattle/Tacoma Intl
Tue 12/15
12:25 pm-10:20 pm
2 stops8h 55m
Rock SpringsSpokane
RKS Rock Springs Sweetwater County - GEG Spokane
RKSGEG
Rock Springs Sweetwater County
Wed 10/21
5:05 am-12:36 pm
1 stop8h 31m
Spokane
Sun 10/25
5:00 am-10:20 pm
1 stop16h 20m
Rock SpringsSpokane
RKS Rock Springs Sweetwater County - GEG Spokane
RKSGEG
Rock Springs Sweetwater County
Wed 10/21
2:22 pm-10:16 pm
2 stops32h 54m
Spokane
Sun 10/25
7:00 am-1:44 pm
1 stop5h 44m
Rock SpringsSpokane
RKS Rock Springs Sweetwater County - GEG Spokane
RKSGEG
Rock Springs Sweetwater County
Wed 10/21
5:05 am-10:28 am
2 stops30h 23m
Spokane
Sun 10/25
1:10 pm-10:20 pm
2 stops32h 10m
Rock SpringsSpokane
RKS Rock Springs Sweetwater County - GEG Spokane
RKSGEG
Rock Springs Sweetwater County
Wed 10/21
5:05 am-10:16 pm
2 stops18h 11m
Spokane
Sun 10/25
1:10 pm-10:20 pm
2 stops8h 10m
Cheap Rock Springs to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rock Springs to State of Washington
Frequently asked questions about flying from Rock Springs to Washington
When did momondo last update prices for flights from Rock Springs Sweetwater County Airport to Washington?
Prices for flights from Rock Springs Sweetwater County Airport to Washington are updated daily.
How many operators does momondo search for flights from Rock Springs Sweetwater County Airport to Washington?
The number of operators available for flights from Rock Springs Sweetwater County Airport to Washington is 1 as of October 2026.
How old do you have to be to fly from Rock Springs Sweetwater County Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rock Springs Sweetwater County Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Rock Springs to State of Washington
Compare and see reviews for airlines that fly from Rock Springs to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $238 | Free Cancellation | Rating 7.4 10,302 reviews |
Frequently asked questions about flying from Rock Springs to Washington
How do I get Price Alerts for flights from Rock Springs to State of Washington?
Search flight deals from Rock Springs to State of Washington. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Rock Springs to State of Washington with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.
Why use momondo?
Why should I use momondo to find a flight deal from Rock Springs to Washington?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Rock Springs.
Can I find flights from Rock Springs to Washington with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Rock Springs to Washington flights to just show those with flexible booking policies.
How can momondo help me find flights from Rock Springs to Washington?
momondo helps you find the best flight between Rock Springs and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Rock Springs to Washington right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Rock Springs and alert you when they change.