Cheap Flight Deals to Thornton CO from CA $153
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How to find cheap flights to Thornton?
The cheapest prices found with in the last 7 days for return flights were CA $178 and CA $153 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 | April 21 to April 21 | CA $178 |
| MSP | Denver | April 20 to April 27 | CA $200 |
| BOS | Denver | May 12 to May 19 | CA $268 |
| JFK | Denver | February 21 to February 28 | CA $307 |
| LAX | Denver | February 26 to March 3 | CA $377 |
| PHL | Denver | April 1 to April 5 | CA $387 |
| ORD | Denver | April 1 to April 17 | CA $407 |
| DFW | Denver | April 23 to April 29 | CA $497 |
| ATL | Denver | March 20 to March 28 | CA $744 |
| MIA | Denver | March 26 to March 30 | CA $19,741 |
Your guide to flights to Thornton, CO
Delta, WestJet, American Airlines fly to Thornton, so use Travelocity to search, find, and compare some truly tempting deals from the 4 airlines—that way you can be sure you’ve found the best deal for you. A flight to Thornton CO currently costs between CA $178 and CA $19,741. Prices vary, but for the best fares, travel in May when prices are at their lowest.
Top tips for finding cheap flights to Thornton
The cheapest flight for a round trip to Thornton is currently CA $178. When you search for flights to Thornton, enter your preferred travel dates then click on ‘flexible dates’ to compare cheap flight tickets to Thornton for nearby days. The cheapest month to travel to Thornton is May from our list of deals available.
But if you’re flexible about when you travel, you can find great deals on flights across the year. If you’re planning a vacation, you can save more on Travelocity when you bundle flights with car rental and hotel bookings, too. Many airlines currently offer flexible booking options, so look for flights offering no change fees.
How to cancel flights to Thornton
We know plans change, that’s why at Travelocity, we make it as easy as possible for you to cancel or amend your plane tickets. Go to My Trips, enter your itinerary number, then follow the instructions. Many airlines let you cancel flights online free of charge if you booked it in the last 24 hours. Visit Customer Service for more advice.
Why you should book your flight to Thornton with Travelocity
We have top deals on plane tickets even for last minute flights to Thornton, so you can simply type in your travel dates and compare our best prices. Booking with Travelocity means you get flexible cancellation options, 24/7 support, and, thanks to our Price Match Promise, if the airfare drops after you book, you can get a refund! Whether you’re planning a business trip, weekend getaway, or a family vacation—let Travelocity get you to Thornton for less.
Find The Perfect Hotel For After Your Flight
Amazing Place to Stay After Flight to Thornton
Motel 6 Thornton, CO
Was good
Reviewed on Jan 24, 2026
Days Inn by Wyndham Thornton
Clean room
Reviewed on Feb 11, 2026
Luxury Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
The staff was very kind and helpful, and the room was clean and cozy!
Reviewed on Jan 27, 2026
Motel 6 Thornton, CO
Was good
Reviewed on Jan 24, 2026
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
Very clean, great staff, great breakfast !
Reviewed on Feb 9, 2026
Family Friendly Hotels in Thornton
DoubleTree by Hilton Denver - Thornton
The staff was very kind and helpful, and the room was clean and cozy!
Reviewed on Jan 27, 2026
Holiday Inn Express Hotel & Suites Denver North - Thornton by IHG
Very clean, great staff, great breakfast !
Reviewed on Feb 9, 2026
Baymont by Wyndham Thornton
It is ok
Reviewed on Aug 31, 2025
Candlewood Suites Denver North - Thornton by IHG
Peace and quiet with a clean, well provided and safe location.
Reviewed on Feb 10, 2026
Best Thornton Flight and Hotel Packages
Thornton flight + hotel packages - economy flights
Need a car after flight to Thornton?
Economy
Compact
Midsize
SUV
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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