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 $53 and $29 for one-way flights to Thornton for the period specified. Prices and availability are subject to change. Additional terms apply
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| PHX | Denver | March 4 to March 4 | $53 |
| DFW | Denver | January 13 to January 13 | $53 |
| LAX | Denver | January 13 to January 13 | $54 |
| MSP | Denver | February 10 to February 14 | $63 |
| ATL | Denver | January 24 to February 4 | $69 |
| LGA | Denver | January 14 to January 17 | $71 |
| MIA | Denver | February 11 to February 18 | $78 |
| ORD | Denver | January 15 to January 22 | $97 |
| TTN | Denver | January 20 to January 22 | $139 |
| BOS | Denver | February 3 to February 6 | $158 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| LGA | Denver | December 13 to January 17 | $182 |
| MSP | Denver | December 14 to December 20 | $188 |
| PHX | Denver | December 14 to December 25 | $205 |
| LAX | Denver | December 14 to December 25 | $217 |
| DFW | Denver | December 13 to December 15 | $222 |
| PHL | Denver | December 13 to December 15 | $270 |
| ATL | Denver | December 13 to December 15 | $271 |
| ORD | Denver | December 12 to December 15 | $285 |
| BOS | Denver | December 14 to December 15 | $328 |
| MIA | Denver | December 12 to December 17 | $335 |
Thornton Flight Information
Traveling to | Thornton |
|---|---|
Lowest Price | $53 |
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
Da room was nice
Reviewed on Dec 6, 2025
Days Inn by Wyndham Thornton
The staff is helpful and willing to accommodate wherever they are needed.
Reviewed on Nov 30, 2025
Luxury Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
Yes
Reviewed on Dec 5, 2025
Motel 6 Thornton, CO
Da room was nice
Reviewed on Dec 6, 2025
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
I also had my service doberman. He was treated with respect and I felt welcome.
Reviewed on Dec 1, 2025
Family Friendly Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
Yes
Reviewed on Dec 5, 2025
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
I also had my service doberman. He was treated with respect and I felt welcome.
Reviewed on Dec 1, 2025
Baymont by Wyndham Thornton
It is ok
Reviewed on Aug 31, 2025
Candlewood Suites Denver North - Thornton by IHG
Room was clean and comfortable! Staff was awesome and helpful.
Reviewed on Nov 13, 2025
Best Thornton Flight and Hotel Packages
Thornton flight + hotel packages - economy flights
Thornton flight + hotel packages - first class flights
Need a Car For After Your Flight?
Midsize
$1
Special
$1
Compact SUV
$4
Fullsize Open Air All-Terrain
$14
Plane Tickets To Thornton
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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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