18+ Hotels in Alcoa, TN
Where You Can Check In at 18, 19 or 20

3 hotels in Alcoa, TN 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 $99 at Comfort Suites Airport and $100 at Mainstay Suites Knoxville Airport per night. Comfort Suites Airport has the best guest rating, 7.8/10 from 819 reviews. Of these, all 3 have a pool and 1 accepts pets. Places mentioned near these hotels include Fort Loudoun Lake, Capitol Theatre and Foothills Mall. 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
3
lowest starting price, Comfort Suites Airport
$99
best rating, Comfort Suites Airport
7.8/10
accepts pets
1
have a pool
3

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

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Showing 3 of 3 hotels.

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Comfort Suites Airport allows check-in for 18 year-old guests

Comfort Suites Airport

7.8/10 819 reviews

2.5-star hotel

140 Cusick Rd, Alcoa, TN 37701, USA

Fort Loudoun Lake · 8.1 km · 5 min drive

  • Pool
  • Fitness center
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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

Pets: Pets not allowed

Nearby

  • Fort Loudoun Lake — 8.1 km, 5 min drive
  • Meigs Falls — 6.4 km, 6 min drive
  • Capitol Theatre — 8.2 km, 7 min drive

From USD 99.00

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Mainstay Suites Knoxville Airport allows check-in for 18 year-old guests

Mainstay Suites Knoxville Airport

7.8/10 814 reviews

2.5-star hotel

361 Fountain View Cir, Alcoa, TN 37701, USA

Capitol Theatre · 3.8 km · 4 min drive

  • Pool
  • Fitness center
  • Free WiFi
  • Air conditioning
  • Kitchen

Minimum check-in age: 18

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Pets: Pets not allowed

Nearby

  • Capitol Theatre — 3.8 km, 4 min drive
  • Palace Theater — 3.8 km, 4 min drive
  • Foothills Mall — 5.5 km, 4 min drive

From USD 100.00

Check availability
Alcoa Inn allows check-in for 18 year-old guests

Alcoa Inn

4.4/10 88 reviews

2.5-star hotel

2450 Airport Highway, Alcoa, TN 37701, USA

Fort Loudoun Lake · 8.1 km · 5 min drive

  • Pool
  • Free WiFi

Minimum check-in age: 18

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Pets: Pets allowed (2 total)*

Nearby

  • Fort Loudoun Lake — 8.1 km, 5 min drive
  • Meigs Falls — 6.4 km, 6 min drive
  • Capitol Theatre — 8.2 km, 7 min drive
Check availability

Nearby Cities With 18+ Hotels

Knoxville 11 mi · 11 hotels
Lenoir City 17 mi · 2 hotels
Oak Ridge 21 mi · 3 hotels
Pigeon Forge 23 mi · 12 hotels
Sevierville 23 mi · 6 hotels
Gatlinburg 28 mi · 12 hotels
Athens 43 mi · 4 hotels
Newport 45 mi · 2 hotels
Morristown 47 mi · 6 hotels
Benton 58 mi · 7 hotels
Crossville 60 mi · 2 hotels
Cleveland 66 mi · 5 hotels
Nashville 159 mi · 28 hotels
Memphis 341 mi · 16 hotels

See all Tennessee cities with 18+ hotels

Alcoa Hotel Check-In FAQ

Can you check into a hotel in Alcoa at 18?

Yes. 3 hotels in Alcoa 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 Alcoa?

Often, yes. Of the 3 hotels listed here, 3 accept debit cards and 3 accept cash, according to Hotels.com (Comfort Suites Airport, Mainstay Suites Knoxville Airport and Alcoa Inn). Most hotels still hold a deposit for incidentals at check-in, so call ahead to confirm they will take it without a credit card.

Which 18+ hotel is closest to Fort Loudoun Lake?

Mainstay Suites Knoxville Airport is the closest of the hotels listed here, 3.0 mi away, followed by Comfort Suites Airport (5.0 mi) and Alcoa Inn (5.0 mi).

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

Comfort Suites Airport had the lowest observed starting price, from $99 per night when we checked in November 2026. Prices change with dates: select your dates to see the current price on Hotels.com.