Cheap Flights from Bellingham (BLI) to Rock Springs (RKS)

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Rock Springs, WY (RKS-Sweetwater County)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS) cost?
Snag a cheap one-way flight or cheap return flight from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS)?
is the cheapest month to fly from BLI to RKS. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BLI to RKS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS)?
Nonstop flights from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BLI to RKS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS)?
Book a flight from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS) last-minute?
Last-minute bookings from BLI to RKS are generally more expensive. To lock in the best prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a BLI to RKS flight and hotel package?
You'll generally save money by securing a BLI to RKS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Sweetwater County Airport (RKS)?
Usually, it's possible to reschedule or cancel your BLI to RKS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Bellingham Intl.
Destination airport
Sweetwater County
Distance
820 mi

Book with confidence

Bellingham to Rock Springs Flights

The cheapest times to fly from Bellingham to Rock Springs

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 Bellingham to Rock Springs are during the month of . You can find some of the cheapest flights from Bellingham to Rock Springs with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Bellingham to Rock Springs: 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 Bellingham to Rock Springs

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 Bellingham to Rock Springs in 2026. 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 Bellingham to Rock Springs 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 Bellingham to Rock Springs 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.

 

Bellingham to Rock Springs Flights

Explore a world of travel with Expedia

*Available to One Key members.