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RKS - BIS

$428 Find Cheap Flights from Rock Springs to Bismarck - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$428
Typical prices: $438-$588
United Airlines
Sun 11/11Wed 11/14
RKS - BIS • 1 stop
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Flight Deals

Cheap Flights from Rock Springs to Bismarck (RKS-BIS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rock Springs to Bismarck

Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
2:23 pm - 8:29 pmRKS  Rock Springs Sweetwater County-BIS Bismarck
5h 06m1 stop Denver Intl
United Airlines Logo
9:00 am - 1:48 pmBIS  Bismarck-RKS Rock Springs Sweetwater County
5h 48m1 stop Denver Intl
$428United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
2:05 pm - 8:10 pmRKS  Rock Springs Sweetwater County-BIS Bismarck
5h 05m1 stop Denver Intl
United Airlines Logo
5:08 pm - 10:01 pmBIS  Bismarck-RKS Rock Springs Sweetwater County
5h 53m1 stop Denver Intl
$542United Airlines
Booking Insights

Price, demand and travel trends for Rock Springs to Bismarck flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Rock Springs to Bismarck?

Round-trip flights from Rock Springs to Bismarck typically range from $438 to $588. The lowest price found in the past 5 days was $428, on United Airlines.

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Key details for Rock Springs to Bismarck flights

Cheapest flight

$428
Round-trip flight from Rock Springs to Bismarck

When to book flights from Rock Springs to Bismarck

Are your dates flexible? Find out the best times to travel from Rock Springs to Bismarck based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Rock Springs to Bismarck flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from Rock Springs to Bismarck?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Rock Springs to Bismarck changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $428 to $542. That means the highest observed fare was about 26% higher than the lowest one.

  • Which airports can I use when flying from Rock Springs to Bismarck?

    Flights from Rock Springs to Bismarck usually depart from Rock Springs Sweetwater County (RKS) and arrive at Bismarck (BIS).

  • Which airports do connecting flights from Rock Springs to Bismarck pass through?

    Most connecting flights from Rock Springs to Bismarck pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Rock Springs to Bismarck?

    Yes. Flexible dates can save you up to 39% on flights from Rock Springs to Bismarck. Thursday is the cheapest departure day at $468 round-trip on average, while Monday is the most expensive at $762, a difference of $294.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Rock Springs and Bismarck?

    Bismarck is 1 hour ahead of Rock Springs (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Rock Springs to Bismarck flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $468, about $294 less than Monday fares (39% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bismarck Airport.

    • Everspring Inn

More options for your flight from Rock Springs to Bismarck

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