Cheap Flights to Mercer County from $136

The cheapest month to fly to Mercer County is October when demand is low. Off-peak months are typically when you'll find cheap fares. To keep costs down, steer clear of flying during public holidays and school breaks.

Generally, Chicago, Minneapolis - St. Paul and Denver offer cheap flights to Mercer County. However, flexibility is the secret to landing the lowest fares. Plan your trip during low season or midweek to keep costs down.

Pick from 8 US destinations offering direct flights to Mercer County. When reserving on Expedia, click on the "Direct flights only" box to compare nonstop options. Fly to Mercer County from any of these top cities:

• Chicago
• Minneapolis - St. Paul
• Denver
• Dallas
• Phoenix

Book your trip early for the best chance of scoring cheap flights to Mercer County. Also, consider visiting during off-peak months like January and February. If you fly on a Thursday, you can save an average of 16% compared to departing on a Sunday.* Save time checking every day and track your flight prices using the Expedia app. We'll notify you when fares change.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

While booking in advance is generally the best way to save cash, don't panic if your Mercer County vacation is last minute. It's still possible to find cheap flights to Mercer County, especially if your plans have a little leeway. Try changing your dates, exploring different ticket types or flying out of another hub.

Find the travel dates you want and a fare that works with your budget by booking your domestic flight to Mercer County up to 28 days in advance. Lock in tickets between two and four months ahead if you're traveling to Mercer County from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can usually get cheap flights to Mercer County on Sundays. Travelers can save about 8% on average compared to booking on a Friday, which is often the most expensive day to purchase tickets.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Decide on the window or aisle seat and head to Mercer County with either of these popular airlines:

• United Airlines - 121 flights to Mercer County each month, including 121 flights to Bismarck Municipal Airport (BIS) per month.
• Delta Air Lines - 117 flights to Mercer County each month, including 117 flights to Bismarck Municipal Airport (BIS) per month.

Bundle your flights and accommodations and you could save hundreds of dollars. Better still, you can add extras like tours and car rentals to your Mercer County flight and hotel package deal. With Expedia, it's a breeze to manage all your Mercer County travel arrangements in the same place.

If you booked your flight to Mercer County in the last 24 hours, you can typically cancel or change it without fees. After that, extra charges may apply depending on the airline's rules and restrictions. To learn more, head to our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be issued a credit toward future flights rather than a direct refund. When browsing Expedia, check the "No cancel fee" or "Changes included" boxes to compare fares with flexible change policies.