Berthoud is closest to the Fort Collins Loveland Airport  (IATA: FNL), which is north of the city, between Loveland and Fort Collins. Allegiant Air offers daily flights from here and Las Vegas. Getting from the airport to Berthoud generally requires a vehicle as taxis are uncommon in this part of Colorado.
Further away, but offering a wider range of national and international flights is Denver International Airport (IATA: DEN). From Denver, the drive takes about an hour north on I-25. The SuperShuttle  offers rides to Loveland for $32 per adult ($10 per child). However, the traveler is responsible for the trip from Loveland to Berthoud.
There are many festivals and events going on here in the summer and a few in the winter, as well. See the Chamber of Commerce website for the yearly listings: www.berthoudcolorado.com. In the summer there are also nearby farmers markets with local produce and crafts.
Berthoud Bed & Breakfast, 444 1st St, ☎ 970-532-4566. Victorian-styled bed and breakfast with themed rooms. Also does weddings.edit
Swanson House Bed & Breakfast, 1932 1st St, ☎ 970-532-4387 (firstname.lastname@example.org, fax: 970-532-4387), . Small bed and breakfast with available massage treatments. No pets allowed, but two dogs live on the property.$75+. edit