Cheap Flights to Thornton from $21
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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 $42 and $21 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.
$42 Roundtrip, found 1 hour ago
$42
Roundtrip
found 1 hour ago
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DFW | Denver | January 13 to January 16 | $42 |
| MSP | Denver | December 12 to December 16 | $56 |
| PHX | Denver | December 2 to December 5 | $68 |
| ORD | Denver | November 12 to November 17 | $74 |
| ATL | Denver | January 6 to January 23 | $74 |
| LAX | Denver | November 10 to November 17 | $102 |
| MIA | Denver | December 3 to December 7 | $121 |
| PHL | Denver | December 8 to December 9 | $146 |
| BOS | Denver | November 19 to November 26 | $182 |
| LGA | Denver | January 6 to January 9 | $206 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| MIA | Denver | October 24 to October 31 | $267 |
| LAX | Denver | October 24 to October 26 | $288 |
| PHX | Denver | October 25 to October 29 | $312 |
| MSP | Denver | October 25 to October 30 | $317 |
| ORD | Denver | October 24 to October 31 | $332 |
| PHL | Denver | October 24 to October 31 | $364 |
| BOS | Denver | October 24 to December 9 | $375 |
| LGA | Denver | October 24 to October 31 | $434 |
| ATL | Denver | October 25 to November 3 | $451 |
| DAL | Denver | October 24 to October 27 | $499 |
Thornton Flight Information
Traveling to | Thornton |
|---|---|
Lowest Price | $42 |
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
$52 nightly
The price is $58 total per night from Oct 28 to Oct 29
$58 total
Oct 28 - Oct 29
Total with taxes and fees
Stay at this motel in Thornton. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions National Western Complex and Dick's Sporting Goods ...
Days Inn by Wyndham Thornton
12101 N. Grant St. Thornton CO
$60 nightly
The price is $67 total per night from Oct 25 to Oct 26
$67 total
Oct 25 - Oct 26
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 ...
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
$97 nightly
The price is $108 total per night from Nov 1 to Nov 2
$108 total
Nov 1 - Nov 2
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 ...
Motel 6 Thornton, CO
6 W 83rd Place Thornton CO
$52 nightly
The price is $58 total per night from Oct 28 to Oct 29
$58 total
Oct 28 - Oct 29
Total with taxes and fees
Stay at this motel in Thornton. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions National Western Complex and Dick's Sporting Goods ...
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$85 nightly
The price is $95 total per night from Nov 18 to Nov 19
$95 total
Nov 18 - Nov 19
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 ...
9/10 Wonderful! (1,003 reviews)
"Clean hotel and easy access to I25. Restaurants within easy walking distance. I've stayed at this hotel before and will stay again as needed."
Reviewed on Oct 19, 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
$97 nightly
The price is $108 total per night from Nov 1 to Nov 2
$108 total
Nov 1 - Nov 2
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 ...
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
12030 Grant St Thornton CO
$85 nightly
The price is $95 total per night from Nov 18 to Nov 19
$95 total
Nov 18 - Nov 19
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 ...
9/10 Wonderful! (1,003 reviews)
"Clean hotel and easy access to I25. Restaurants within easy walking distance. I've stayed at this hotel before and will stay again as needed."
Reviewed on Oct 19, 2026
Candlewood Suites Denver North - Thornton by IHG
14362 Lincoln Way Thornton CO
$109 nightly
The price is $122 total per night from Oct 24 to Oct 25
$122 total
Oct 24 - Oct 25
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! (483 reviews)
"The room was clean and the staff very helpful especially when we had a problem with reception on one of the TV's. Location is good with numerous restaurants in the immediate area. The kitchen area was very adequate with a full size fridge, microwave, etc. Easy access to I-25 and major streets. E-470 ..."
Reviewed on Oct 20, 2026
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Days Inn by Wyndham Thornton
12101 N. Grant St. Thornton CO
$60 nightly
The price is $67 total per night from Oct 25 to Oct 26
$67 total
Oct 25 - Oct 26
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 ...
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
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 tripsThornton flight + hotel packages - business class 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 San Antonio to Thornton
View all tripsNeed a Car For After Your Flight?
Special SUV
COMMERCE CITY, USA
$0
$43 total
found 5 days ago
Midsize SUV
COMMERCE CITY, USA
$0
$44 total
found 5 days ago
Fullsize SUV
COMMERCE CITY, USA
$4
$53 total
found 5 days ago
Compact SUV
COMMERCE CITY, USA
$4
$53 total
found 5 days ago
Lowest prices found within the past 5 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!
More Ways To Wander
Thornton Hotels
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Thornton Vacation Rentals
Great Deals on alternative accommodations
Thornton Car Rentals
Affordable cars to get you around town
Thornton Vacations
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Things to do in Thornton
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