Cheap Flights to Thornton from $29
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How Much Does it Cost To Fly To Thornton?
The cheapest prices found with in the last 7 days for return flights were $58 and $29 for one-way flights to Thornton for the period specified. Prices and availability are subject to change. Additional terms apply
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$61 Roundtrip, found 1 day ago
$61
Roundtrip
found 1 day ago
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| LAX | Denver | June 3 to June 8 | $58 |
| MSP | Denver | May 30 to June 6 | $90 |
| DFW | Denver | June 29 to July 3 | $92 |
| PHX | Denver | May 2 to May 4 | $96 |
| ORD | Denver | May 16 to May 19 | $118 |
| ATL | Denver | May 23 to May 23 | $122 |
| PHL | Denver | May 9 to May 16 | $132 |
| LGA | Denver | May 18 to May 20 | $164 |
| MIA | Denver | June 30 to July 7 | $168 |
| BOS | Denver | May 16 to May 18 | $204 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| PHX | Denver | May 2 to May 4 | $96 |
| DFW | Denver | May 2 to May 9 | $111 |
| PHL | Denver | May 2 to May 9 | $142 |
| ATL | Denver | May 2 to May 9 | $194 |
| LAX | Denver | May 3 to May 16 | $208 |
| MSP | Denver | May 1 to May 7 | $218 |
| ORD | Denver | May 1 to May 3 | $226 |
| MIA | Denver | May 3 to May 11 | $232 |
| BOS | Denver | May 2 to May 28 | $255 |
| LGA | Denver | May 1 to May 4 | $255 |
Thornton Flight Information
Traveling to | Thornton |
|---|---|
Lowest Price | $58 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines |
Number of Daily Flights | |
Airlines with Direct Flights |
Find The Perfect Hotel For After Your Flight
Amazing Thornton Accommodation Deals
Motel 6 Thornton, CO
6 W 83rd Place Thornton CO
$62 nightly
The price is $69 total per night from Apr 26 to Apr 27
$69 total
Apr 26 - Apr 27
Total with taxes and fees
Stay at this motel in Thornton. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Dick's Sporting Goods Park and Water World are located ...
6/10 (1,003 reviews)
When I check in the lady in the front desk didn’t even make eye contact and her appearance was completely inappropriate for the job, when I received the key to the room, the room wasn’t “clean” and had a heavy smell of tabaco and didn’t even have towels to take a shower. Check out in just 3 hours. ...
Reviewed on Apr 21, 2026
Days Inn by Wyndham Thornton
12101 N. Grant St. Thornton CO
$53 nightly
The price is $60 total per night from May 26 to May 27
$60 total
May 26 - May 27
Total with taxes and fees
Book a stay at this business-friendly hotel in Thornton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.4/10 Good! (694 reviews)
Nice hotel on a budget
Reviewed on Apr 25, 2026
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Luxury Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
83 East 120th Avenue Thornton CO
$106 nightly
The price is $118 total per night from May 25 to May 26
$118 total
May 25 - May 26
Total with taxes and fees
Stay at this hotel in Thornton. Enjoy free WiFi, free parking, and room service. Our guests praise the helpful staff in our reviews. Popular attractions Boondocks ...
8.2/10 Very Good! (1,000 reviews)
Staff was very friendly and helpful. Room and property was very clean. We did not go to the bar or dining room so no help there. We would definately stay at this property again.
Reviewed on Apr 20, 2026
Motel 6 Thornton, CO
6 W 83rd Place Thornton CO
$62 nightly
The price is $69 total per night from Apr 26 to Apr 27
$69 total
Apr 26 - Apr 27
Total with taxes and fees
Stay at this motel in Thornton. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Dick's Sporting Goods Park and Water World are located ...
6/10 (1,003 reviews)
When I check in the lady in the front desk didn’t even make eye contact and her appearance was completely inappropriate for the job, when I received the key to the room, the room wasn’t “clean” and had a heavy smell of tabaco and didn’t even have towels to take a shower. Check out in just 3 hours. ...
Reviewed on Apr 21, 2026
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$109 nightly
The price is $122 total per night from Apr 26 to Apr 27
$122 total
Apr 26 - Apr 27
Total with taxes and fees
Stay at this hotel in Thornton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
8.8/10 Excellent! (1,001 reviews)
This hotel was fantastic. The rooms were spotless, and the breakfast offered a wide variety of delicious options. The service was outstanding, and both the pool and hot tub looked great. I especially appreciated the small welcome goodie bag at check-in—it was a thoughtful touch. I would definitely ...
Reviewed on Apr 21, 2026
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Family Friendly Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
83 East 120th Avenue Thornton CO
$106 nightly
The price is $118 total per night from May 25 to May 26
$118 total
May 25 - May 26
Total with taxes and fees
Stay at this hotel in Thornton. Enjoy free WiFi, free parking, and room service. Our guests praise the helpful staff in our reviews. Popular attractions Boondocks ...
8.2/10 Very Good! (1,000 reviews)
Staff was very friendly and helpful. Room and property was very clean. We did not go to the bar or dining room so no help there. We would definately stay at this property again.
Reviewed on Apr 20, 2026
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$109 nightly
The price is $122 total per night from Apr 26 to Apr 27
$122 total
Apr 26 - Apr 27
Total with taxes and fees
Stay at this hotel in Thornton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
8.8/10 Excellent! (1,001 reviews)
This hotel was fantastic. The rooms were spotless, and the breakfast offered a wide variety of delicious options. The service was outstanding, and both the pool and hot tub looked great. I especially appreciated the small welcome goodie bag at check-in—it was a thoughtful touch. I would definitely ...
Reviewed on Apr 21, 2026
Baymont by Wyndham Thornton
243 E 120th Ave Thornton CO
Book a stay at this business-friendly hotel in Thornton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
5.8/10 (847 reviews)
Hot tub worked half way excellent customer service breakfast out of half the stuff
Reviewed on Sep 8, 2025
Save an average of 15% on thousands of hotels when you're signed in
Candlewood Suites Denver North - Thornton by IHG
14362 Lincoln Way Thornton CO
$110 nightly
The price is $123 total per night from May 25 to May 26
$123 total
May 25 - May 26
Total with taxes and fees
Book a stay at this business-friendly hotel in Thornton. Enjoy free WiFi, free parking, and a fitness center. Our guests praise the helpful staff in our reviews. ...
8.4/10 Very Good! (430 reviews)
Both tvs and the cable and half of the lamps were unplugged. The AC unit in the living room sounded like it was grinding rocks every 20 min. So little sleep for us on 4/11 in room 215. We got into our room too late for the night to complain and attempt to get into another room :(
Reviewed on Apr 13, 2026
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Best Thornton Flight and Hotel Packages
Thornton flight + hotel packages - economy flights
Price found within the past 48 hours. Click for updated prices.
Thornton flight + hotel packages - premium economy flights
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Thornton flight + hotel packages - first class flights
Price found within the past 48 hours. Click for updated prices.
Don't see what you're looking for?
See all available trips from San Antonio to Thornton
View all tripsNeed a Car For After Your Flight?
Midsize SUV
COMMERCE CITY, USA
$1
$34 total
found 2 days ago
Special
COMMERCE CITY, USA
$3
$41 total
found 2 days ago
Fullsize SUV
COMMERCE CITY, USA
$7
$49 total
found 1 day ago
Compact
Aurora, Colorado, USA
$8
$15 total
found 1 day ago
Lowest prices found within the past 2 days. Prices and availability subject to change. Additional terms may apply.
Plane Tickets To Thornton
Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Thornton. Browse through our inventory to explore a wide range of cheap flights to Thornton to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Thornton as you anxiously await to exit the plane and explore what Thornton has to offer. Considering all the amazing local food and culture in Thornton, we won't hold this against you.
When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Thornton to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Thornton without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Thornton with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Thornton today!
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