First Interstate Bank Bonuses: $600 Checking & Savings Promotions (CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, WY)

Find the latest First Interstate Bank bonuses, promotions, and offers here.

Update 10/16/25: There’s currently a $600 checking & savings bonus available through 11/21/25.

First Interstate Bank $600 Checking & Savings Bonus

Earn a $600 bonus when you open qualifying checking & savings account and meeting certain requirements.

• What you’ll get: $600 Bonus
• Eligible account: Checking & Savings
• Availability: CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, WY (Locator)
• Credit Inquiry: Hard Pull or Soft Pull? Let us know.
• Direct Deposit Required: Yes
• Monthly Fees: $5-$25; see below on how to waive
• How to earn it:
  • $300 Personal Checking Bonus
    • Open a checking account online or at your nearest branch today, using code FALL25BONUS.
    • Set up and receive three electronic deposits of $500 or more each within 90 days of account opening.
    • Meet the requirements and we’ll deposit $300 in your account within 45 days of the end of your qualification period. Enjoy the reward, it’s on us!
  • $300 Personal Savings Bonus
    • Open a savings account online or at your nearest branch today, using code FALL25BONUS.
    • Deposit $10,000 within 30 days of account opening and maintain the balance for 90 consecutive days.
    • Meet the requirements and we’ll deposit $300 in your account within 45 days of the end of your qualification period. It’s that easy!

(Expires 11/21/2025)

Fine Print

• To be eligible for the checking account promotion, you must be 18 years of age or older. You or any owner(s) on your checking account cannot have an existing First Interstate Bank consumer checking, savings or CD account, must not have had one within the past 90 days, and must not have received a bonus from First Interstate for opening a new checking and/or savings account within the past 12 months. All account applications are subject to approval. Eligible accounts for this promotion include Simple Banking, Basic Checking, Select Checking, and Premier Checking accounts. To receive the bonus, you must open a new First Interstate Bank consumer checking account using the bonus code and make a $25 minimum deposit in a participating branch between October 6, 2025 and November 21, 2025. You must also complete three or more electronic deposits of $500 or more each within 90 days of account opening (“Qualification Period”) to earn the $300 bonus. Transfers from another First Interstate checking or savings account do not qualify as a required $500 electronic deposit. If you meet all qualifying criteria, the checking bonus will be credited to your new checking account within 45 days after the end of the Qualification Period. Account must be open and have a positive balance to receive the bonus. This offer is eligible for accounts opened online or in-branch in the following states: CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, and WY. This offer may be discontinued or changed at any time prior to the expiration date without notice. Bonus may be reported as income earned on IRS form 1099-MISC or 1042-S, as required by law, and recipient is responsible for any applicable taxes.
• To be eligible for the savings account promotion, you must be 18 years of age or older. You or any owner(s) on your savings account cannot have an existing First Interstate Bank consumer checking, savings, or CD account, must not have had one within the past 90 days, and must not have received a bonus from First Interstate for opening a new checking and/or savings account within the past 12 months. All account applications are subject to approval. Eligible account for this promotion includes Regular Savings account. To receive the bonus, you must open a new First Interstate Bank consumer savings account using the bonus code and make a $25 minimum deposit in a participating branch between October 6, 2025 and November 21, 2025. You must also deposit $10,000 in funds new to First Interstate Bank within 30 days of account opening and maintain this minimum balance for 90 consecutive days, beginning on the 31st day after account opening. To earn the $300 bonus, all qualifying activities must be completed. Your savings bonus will be credited to your new savings account within 45 days after the end of the 90-day balance maintenance period. Account must be open and have a positive balance to receive the bonus. This offer is eligible for accounts opened online or in-branch in the following states: CO, IA, ID, MN, MO, MT, ND, NE, OR, SD, WA, and WY. This offer may be discontinued or changed at any time prior to the expiration date without notice. Bonus may be reported as income earned on IRS form 1099-MISC or 1042-S, as required by law, and recipient is responsible for any applicable taxes.

How To Waive Monthly Fee

• Simple Banking: A $5 service charge per Statement Cycle will be charged and cannot be waived.
• Basic Checking: A $5 service charge per Statement Cycle will be waived with one of the following:
  • You utilize direct deposit during the Statement Cycle
  • You maintain a $250 minimum daily balance during Statement Cycle
• Select Checking: A $15 service charge per Statement Cycle will be waived with one of the following:
  • You maintain a $1,500 minimum daily balance during your Statement Cycle
  • You maintain a $5,000 minimum daily balance in combined deposit account balances during your Statement Cycle
  • The primary account holder is 60 years of age or older
• Premier Checking: A $25 service charge per Statement Cycle will be waived with one of the following:
  • You maintain a $10,000 minimum daily balance during your Statement Cycle
  • You maintain a $50,000 minimum daily balance in combined deposit account balances during your Statement Cycle
• Regular Savings Account: A $5 service charge will be waived if a $200 minimum daily balance is maintained in the month.

Conclusion

Although these bank promotions are rather generous, you can also utilize our list of Savings, Money Market, and CD rates.

• Best Savings/Money Market rates
• Best CD Account rates

If you are not eligible for these promotions, use our bank bonuses page to find other offers. Some popular bank offers include Chase Bank, Discover Bank, TD Bank, Huntington Bank, HSBC Bank, and many more.

Check back often for more First Interstate Bank Bonuses, Promotions, or Offers!