18+ Hotels in Longmont, CO
Where You Can Check In at 18, 19 or 20

2 hotels in Longmont, CO list a minimum check-in age of 18 on Hotels.com, so travelers aged 18, 19 and 20 can check in. Observed starting prices are $78 at Super 8 by Wyndham Longmont/Twin Peaks and $123 at Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel per night. Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel has the best guest rating, 8.6/10 from 1,002 reviews. Of these, 1 has a pool and both accept pets. Places mentioned near these hotels include Boulder County Fairgrounds, Regal Village At The Peaks and University of Colorado Boulder. Hotel data checked in November 2026.

Policies can change: confirm the minimum check-in age with the hotel before booking.

hotels with 18+ check-in
2
lowest starting price, Super 8 by Wyndham Longmont/Twin Peaks
$78
best rating, Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel
8.6/10
accept pets
2
has a pool
1

Dates are passed to Hotels.com to check availability and current prices.

Filter by amenities

Select one or more amenities. Hotels must have all selected amenities.

Showing 2 of 2 hotels.

Show map
Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel allows check-in for 18 year-old guests

Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel

8.6/10 1,002 reviews Highly rated

2.5-star hotel

1355 Dry Creek Dr, Longmont, CO 80503, USA

Regal Village At The Peaks · 1.0 km · 11 min walk

  • Pool
  • Fitness center
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

Show more details

Parking: Wheelchair-accessible parking · Wheelchair-accessible van parking

Pets: Pets allowed (dogs and cats only, 2 total)*

Nearby

  • Regal Village At The Peaks — 1.0 km, 11 min walk
  • Boulder County Fairgrounds — 1.3 km, 15 min walk
  • University of Colorado Boulder — 22.3 km, 18 min drive

From USD 123.00

Check availability
Super 8 by Wyndham Longmont/Twin Peaks allows check-in for 18 year-old guests

Super 8 by Wyndham Longmont/Twin Peaks

8.0/10 1,009 reviews

2.0-star hotel

2446 N Main St, Longmont, CO 80501, USA

The Colorado Actors Theatre · 3.7 km · 4 min drive

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

Show more details

Parking: Wheelchair-accessible parking

Pets: Pets allowed (dogs and cats only, 2 total, up to 100 lbs per pet)*

Nearby

  • The Colorado Actors Theatre — 3.7 km, 4 min drive
  • Pacific Events Center — 3.7 km, 4 min drive
  • Union Reservoir Nature Area — 8.4 km, 6 min drive

From USD 78.00

Check availability

Nearby Cities With 18+ Hotels

Boulder 13 mi · 4 hotels
Westminster 20 mi · 3 hotels
Greeley 24 mi · 2 hotels
Estes Park 26 mi · 21 hotels
Fort Collins 26 mi · 8 hotels
Denver 31 mi · 26 hotels
Lakewood 33 mi · 2 hotels
Aurora 38 mi · 4 hotels
Grand Lake 39 mi · 4 hotels
Winter Park 41 mi · 6 hotels
Keystone 60 mi · 8 hotels
Breckenridge 68 mi · 18 hotels
Colorado Springs 92 mi · 20 hotels

See all Colorado cities with 18+ hotels

Longmont Hotel Check-In FAQ

Can you check into a hotel in Longmont at 18?

Yes. 2 hotels in Longmont list a minimum check-in age of 18 on Hotels.com. Policies can change, so confirm with the property before booking and bring a government-issued photo ID.

Can I check in without a credit card in Longmont?

Often, yes. Of the 2 hotels listed here, 1 accepts debit cards and 1 accepts cash, according to Hotels.com (Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel). Most hotels still hold a deposit for incidentals at check-in, so call ahead to confirm they will take it without a credit card.

What time is check-in at 18+ hotels in Longmont?

Check-in starts at 3 PM at all 2 hotels listed here with a check-in time. Check-out is usually at 11 AM.

Which 18+ hotel is closest to Boulder County Fairgrounds?

Holiday Inn Express Hotel & Suites Longmont, an IHG Hotel is the closest of the hotels listed here, 0.8 mi away, followed by Super 8 by Wyndham Longmont/Twin Peaks (6.1 mi).

What is the cheapest hotel in Longmont for 18-year-olds?

Super 8 by Wyndham Longmont/Twin Peaks had the lowest observed starting price, from $78 per night when we checked in November 2026. Prices change with dates: select your dates to see the current price on Hotels.com.