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 $66 and $29 for one-way flights to Thornton for the period specified. Prices and availability are subject to change. Additional terms apply
LAX
Los Angeles Intl.
DEN
Denver Intl.
$66 Roundtrip, found 1 hour ago
$66
Roundtrip
found 1 hour ago
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| LAX | Denver | July 28 to August 4 | $66 |
| DFW | Denver | June 23 to July 1 | $89 |
| ORD | Denver | June 27 to June 30 | $106 |
| ATL | Denver | August 11 to September 1 | $108 |
| PHX | Denver | June 23 to July 14 | $112 |
| MSP | Denver | July 7 to August 4 | $120 |
| MIA | Denver | July 15 to July 29 | $158 |
| PHL | Denver | May 24 to May 28 | $198 |
| LGA | Denver | June 2 to June 9 | $210 |
| BOS | Denver | July 29 to August 4 | $211 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| PHX | Denver | May 9 to May 11 | $143 |
| ORD | Denver | May 9 to May 12 | $192 |
| LAX | Denver | May 10 to May 12 | $203 |
| MSP | Denver | May 8 to May 10 | $341 |
| ATL | Denver | May 8 to May 19 | $351 |
| LGA | Denver | May 8 to May 13 | $357 |
| TTN | Denver | May 10 to May 13 | $364 |
| DFW | Denver | May 9 to May 10 | $368 |
| MIA | Denver | May 9 to May 10 | $382 |
| BOS | Denver | May 9 to May 12 | $429 |
Thornton Flight Information
Traveling to | Thornton |
|---|---|
Lowest Price | $66 |
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
$60 nightly
The price is $67 total per night from May 10 to May 11
$67 total
May 10 - May 11
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 ...
Days Inn by Wyndham Thornton
12101 N. Grant St. Thornton CO
$54 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! (713 reviews)
Everything was great. Staff was very helpful and knowledgeable. Hotel was nice and clean. Breakfast was good.
Reviewed on May 6, 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
$122 nightly
The price is $137 total per night from May 25 to May 26
$137 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! (1,003 reviews)
Clean room
Reviewed on May 5, 2026
Motel 6 Thornton, CO
6 W 83rd Place Thornton CO
$60 nightly
The price is $67 total per night from May 10 to May 11
$67 total
May 10 - May 11
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 ...
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$96 nightly
The price is $107 total per night from May 10 to May 11
$107 total
May 10 - May 11
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! (1,005 reviews)
Overall the stay was great. They have an indoor heated pool and hot tub. The rooms were clean and bed was soft. The pillows were a little flat if you like thick fluffy ones. The only downside was the breakfast. They have a really nice coffee machine but the (powdered) eggs and turkey sausage patties ...
Reviewed on May 4, 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
$122 nightly
The price is $137 total per night from May 25 to May 26
$137 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! (1,003 reviews)
Clean room
Reviewed on May 5, 2026
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$96 nightly
The price is $107 total per night from May 10 to May 11
$107 total
May 10 - May 11
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! (1,005 reviews)
Overall the stay was great. They have an indoor heated pool and hot tub. The rooms were clean and bed was soft. The pillows were a little flat if you like thick fluffy ones. The only downside was the breakfast. They have a really nice coffee machine but the (powdered) eggs and turkey sausage patties ...
Reviewed on May 4, 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
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Candlewood Suites Denver North - Thornton by IHG
14362 Lincoln Way Thornton CO
$110 nightly
The price is $123 total per night from May 13 to May 14
$123 total
May 13 - May 14
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! (432 reviews)
The one staff member we encountered at check-in was lovely. However, she was the only person on site with full capacity and there were maintenance issues that she was trying to work through such as broken ice machine. When we got back late in the evening, a guest was there to check in and the guest ...
Reviewed on May 5, 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 - 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 Philadelphia to Thornton
View all tripsNeed a Car For After Your Flight?
Special
COMMERCE CITY, USA
$4
$42 total
found 14 hours ago
Compact SUV
COMMERCE CITY, USA
$5
$46 total
found 17 hours ago
Midsize SUV
COMMERCE CITY, USA
$6
$48 total
found 17 hours ago
Fullsize SUV
Commerce City, Colorado, USA
$8
$51 total
found 1 day ago
Lowest prices found within the past 14 hours. 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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