Cheap Flights from Rock Springs (RKS) to Boise (BOI)

Featured airlines

American Airlines
United
Delta
Spirit Airlines
JetBlue Airways
Frontier Airlines
Air India
Hawaiian Airlines
Qatar Airways
    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap flights from Rock Springs (RKS) to Boise (BOI)

Prices were available within the past 7 days and start at for one-way flights and $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
United
United
United
United
Flight from Rock Springs to Boise (RKS - BOI) route information
Origin airport
Sweetwater County
Destination airport
Boise
Roundtrip price
$608
Distance
388 mi

Rock Springs to Boise Flights

The cheapest times to fly from Rock Springs to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rock Springs to Boise are during the month of December. You can find some of the cheapest flights from Rock Springs to Boise with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Rock Springs to Boise

Sunday is one of the best days to book for cheap flights from Rock Springs to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Rock Springs to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rock Springs to Boise in 2024. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rock Springs to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rock Springs to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Southwest Wyoming Regional Airport to Boise Airport (BOI) last minute?
Being the spontaneous type is a rewarding way to explore the globe, but it’s not always the smartest way to land a cheap plane ticket. It’s better to book your Sweetwater County Airport (RKS) to BOI journey well in advance instead of waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you arrive in BOI!
What airports do you fly into for Boise from Rock Springs?
With Boise Airport (BOI), Mountain Home, ID (MUO-Mountain Home Air Force Base) and Ontario, OR (ONO-Ontario Municipal) to pick from, flying from Rock Springs to Boise is a cinch. The city’s major gateway, Boise Airport (BOI), is around 3 mi south of the downtown area. Apart from the price of tickets, consider factors like transportation options from the airport and the distance to your hotel when choosing where to fly into. Get your Boise trip off to a flying start by discovering Boise State University and Albertsons Stadium.
Can I change the date of my flight from Sweetwater County Airport (RKS) to Boise Airport (BOI)?
You can make changes to your RKS to Boise Airport (BOI) flight by logging in to the Expedia Trips portal. Before you make any amendments, read over the fare conditions in your itinerary to learn what the carrier will allow you to do and if fees apply. Some airlines charge a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also take a look at our Customer Service portal for further information and to connect with our Virtual Agent.
*Available to One Key members.