Cheap flights To Thornton (DEN) from $29

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Cheap Flights to Thornton from $29 One Way, $53 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Sep 14 - Sat, Sep 14
ORD
O'Hare Intl.
DEN
Denver Intl.
$53 Roundtrip, found 19 hours ago
$53
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sat, Sep 14 from O'Hare Intl. to Denver Intl., returning Sat, Sep 14, priced at $53 found 19 hours ago
Tue, Sep 24 - Wed, Sep 25
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$53 Roundtrip, found 4 days ago
$53
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Sep 24 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Wed, Sep 25, priced at $53 found 4 days ago
Wed, Aug 14 - Wed, Aug 14
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$53 Roundtrip, found 5 hours ago
$53
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Aug 14 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Aug 14, priced at $53 found 5 hours ago
Tue, Aug 6 - Tue, Aug 6
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, Aug 6 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Aug 6, priced at $58 found 4 hours ago
Sat, Aug 17 - Sat, Aug 24
IAH
George Bush Intercontinental
DEN
Denver Intl.
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 17 from George Bush Intercontinental to Denver Intl., returning Sat, Aug 24, priced at $58 just found
Wed, Sep 25 - Sat, Sep 28
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 25 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 28, priced at $58 just found
Wed, Jul 10 - Wed, Jul 10
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 10 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Jul 10, priced at $63 just found
Wed, Sep 25 - Sat, Sep 28
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 25 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 28, priced at $63 just found
Sat, Aug 10 - Sat, Aug 10
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$65 Roundtrip, found 2 hours ago
$65
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Aug 10 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Aug 10, priced at $65 found 2 hours ago
Sat, Sep 7 - Sat, Sep 14
LGA
LaGuardia
DEN
Denver Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 7 from LaGuardia to Denver Intl., returning Sat, Sep 14, priced at $88 just found

Thornton DEN Flight Information

Traveling To
Thornton
Destination Airport IATA Code
DEN
Number of Airlines Serving
2
Airlines
Frontier Airlines, American Airlines
Flight Price
$53
Earliest Departing Flight
WN 1748 7:50AM EDT
Latest Departing Flight
WN 2734 Jun 17 8:55PM EDT

Book Your Flight & Hotel Together & Save

Thornton economy flight packages

Price found within the past 48 hours. Click for updated prices.
Kimpton Claret Hotel, an IHG Hotel
4.5-star property

Kimpton Claret Hotel, an IHG Hotel

Jul 18 - Jul 22

4 night stay

Minneapolis (MSP) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Hotel Clio, a Luxury Collection Hotel, Denver Cherry Creek
4.5-star property

Hotel Clio, a Luxury Collection Hotel, Denver Cherry Creek

Jul 11 - Jul 16

5 night stay

Ontario (ONT) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 3 hours ago
Basecamp Boulder
3.5-star property

Basecamp Boulder

Jul 18 - Jul 21

3 night stay

Los Angeles (LAX) to Denver (DEN)

Frontier Airlines • Coach

Denver (DEN) to Los Angeles (LAX)

United • Coach
Save 100% on your flight
per person
found 23 hours ago
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Thornton premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hyatt Centric Downtown Denver
4.0-star property

Hyatt Centric Downtown Denver

9/10 Wonderful! (1,196 reviews)

Jul 11 - Jul 14

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • Roundtrip • PremiumEconomy
per person
found 1 day ago
The hotel staff was very helpful and kind.

Reviewed on Mar 24, 2024

The Brown Palace Hotel and Spa, Autograph Collection
4.5-star property

The Brown Palace Hotel and Spa, Autograph Collection

8.8/10 Excellent! (1,005 reviews)

Jul 11 - Jul 14

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • Roundtrip • PremiumEconomy
per person
found 1 day ago
Beautiful property. Awesome room at the Top of the Brown.

Reviewed on Feb 20, 2024

Hyatt Regency Denver at Colorado Convention Center
4.0-star property

Hyatt Regency Denver at Colorado Convention Center

9/10 Wonderful! (1,480 reviews)

Jul 11 - Jul 14

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • Roundtrip • PremiumEconomy
per person
found 1 day ago
Not great food for price

Reviewed on Mar 24, 2024

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Thornton

Orbitz uses cutting edge mobile technology to help get you the best deals on Thornton flights. We offer guaranteed low prices on air tickets that can be combined with hotels and car rentals to save you even more money.

Find Cheap Thornton Flights And Hotel Rooms Using Our Mobile App

Orbitz not only guarantees low prices for flights to Thornton, we also offer Mobile Steals on our Orbitz on the Go mobile app where you can find great mobile-only deals on hotel rooms in the area.

Use the Orbitz Flight Matrix To Save Big On Car Rental

Discount flights to Thornton can be combined with car rental to get you additional savings. Just use our Flight Matrix to see how your budget air ticket can be combined with a car rental to make your trip not only inexpensive but also more convenient.

Use Multiple Airlines To Ensure You Get The Best Deal

Orbitz allows you to use multiple airlines for flights to Thornton. By using a combination of airlines for discount flights you are guaranteed to get the lowest fares each way and get the schedule that is most convenient for you.

Store Your Frequent Flyer Information on Orbitz For Easy Access

Booking with Orbitz will still allow you to apply miles for flights to Thornton to your frequent flyer program. Not only that, but your frequent flyer information will be safely stored on our website, so it will be easy to access the next time you book a discount air ticket with Orbitz.

Frequently asked questions

Which airlines fly to Thornton?
With 20 airlines running services to Denver Intl. Airport (DEN), the entrance point to Thornton, the choice is all yours. Land an impressive deal among these leading international airlines that fly in and out of this city:

  • United Airlines - 269 flights to Thornton per month
  • Southwest Airlines - 88 flights to Thornton per month
  • Air Canada - 83 flights to Thornton per month

What is the best airport to fly to in Thornton?
Denver Intl. Airport (DEN) is the city’s only airport, so your trickiest decision will be the window seat or the aisle seat. Central Thornton is roughly 15 miles away and where many travelers choose to book a hotel.
How much is a flight to Thornton?
This week, prices ranged between $53 and $88 for a return flight to Thornton. Tickets one-way originating from Chicago (ORD) dipped as low as just $29 during the same period.
How to book the cheapest flight to Thornton?
Using Orbitz, you’ll uncover some of the best flight deals around from a wide range of airlines. But if you want to boost your prospects of booking cheap flights to Thornton, here are some suggestions to consider:

  • Departing from or arriving at nearby airports can often save you money. Type in your preferred departure and arrival points. Next, select the ‘Nearby airports’ function below the form fields to look through your options.
  • Also, click on the ‘Show flexible dates’ option to compare the airfares on days either side of your selected departure. It’s possible to find cheaper flight deals if you’re flexible with your schedule.
  • Select ‘Show options’ to filter your search results. You can pick your preferred airline and seating class here. Under ‘Sort & Filter’ to the left, you can even specify whether you want to fly in the morning, afternoon or evening.
  • Once you’ve figured out your travel dates, don’t delay booking your flight. Fares generally become more expensive as the departure date gets closer.
  • Save even more on your trip by combining your hotel, flights and car rentals into an Orbitz package deal. Your credit card will thank you for it.
  • If you can, don’t fly in the most popular seasons. Airfares often hit their highest during summer, school breaks and other vacation periods like Easter and Thanksgiving.

How long is a flight to Thornton?
Your point of origin, which airport you take off from and if you travel nonstop — the flight time depends on many factors. But here are the average times for three of the busiest routes to Thornton:

  • Las Vegas, NV (LAS-Harry Reid Intl.) to Denver Intl. Airport (DEN) - 2 hours and 9 minutes
  • Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver Intl. Airport (DEN) - 2 hours and 3 minutes
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Denver Intl. Airport (DEN) - 1 hour and 42 minutes

What is the best time to book a flight to Thornton?
Purchase your flights to Thornton in January. This is the ideal time of the year for bargain prices, closely followed by February and August. Score cheap flights and enjoy your dream vacation with Orbitz.
What day of the week is the cheapest to book a flight to Thornton?
Land a fantastic flight deal by making a booking on a Tuesday, Wednesday or Saturday. Typically, these are the best days of the week to pick up cheap tickets to Thornton.
What is the cheapest day of the week to fly to Thornton?
Based on Orbitz data from 2020, Monday is generally the best day to nab cheap flights to Thornton. Tuesday also has wallet-friendly airfares, whereas Saturday has the highest ticket prices. Even though flying out at the weekend can be more suitable, you’ll have more money in your pocket to play with if you fly out early in the week.
What is the cheapest month to fly to Thornton?
Based on Orbitz data, you should fly out in August. This is generally a great month to land cheap flights to Thornton. Bear in mind that the most expensive time to get on a plane is during the month of June.
Which airlines allow free cancellation?
We understand that plans can change and flexibility matters. That’s why you can easily search for flights that have free cancellation and no change fees on Orbitz. Simply click on “Filter by flexible change policies” and we’ll show you fares with more flexibility than candy on a dashboard in summer!
What do I need for the flight to Thornton?
Flying can be a joy with a bit of pre-planning! Make your journey a stress-free one with the following handy hints:

  • Whether you print it out at home or use an electronic one, you’ll need your boarding pass to walk on to the plane. You’ll also need some sort of government-issued photo identification. If you’re traveling internationally, make sure your passport is valid and you’ve looked into visa requirements.
  • Take some activities to pass the time on your trip to Thornton. Books and electronic devices like laptops and tablets are all good. Don’t forget to take a refillable water bottle too. Even on a short flight, it’s important to keep hydrated.
  • Even if you’re flying when it’s blistering hot, carry a sweater on board with you. Airplane cabins can get downright cold.

How many direct flights are there to Thornton?
Your amazing adventure is one easy plane ride away, with 2,124 direct flights to Thornton each month. Search for a suitable flight with Orbitz and lock in a terrific deal with United Airlines, Southwest Airlines or Frontier Airlines. Other leading airlines that offer nonstop services include Delta Air Lines, American Airlines and Denver Air Connection.
How do I get cheap first-class/business deals to Thornton?
Experienced travelers have a way of finding first or business-class fares to Thornton without the sky-high price tag. Follow their example with these useful tips:

  • Be more flexible with your travel dates and wait for sales or exclusive offers on business or first-class airfares.
  • Search for a budget airline that offers business-class seats. They often come with extra legroom and a glass of Champagne — but without the high price.
  • Bid for an upgrade in online auctions or upgrade your fare with loyalty points.

What is the best time to go to Thornton?
Anytime is a fantastic time to visit Thornton, though April, June and July are the liveliest months. Like most places in the Northern Hemisphere, summertime kicks off June 20. If you’d sooner spend most of your days in a light T-shirt than a big winter jacket, this time of the year would suit you nicely. Expect average daytime highs of 90 ºF and nightly lows around 60 ºF.
Travel tips for Thornton

  • Start out in the downtown area and enjoy a self-guided walking tour of some of the city’s leading attractions. Boondocks Food and Fun and Mid-Air Adventures are a couple of tourist favorites.
  • You’ll find fun day trips a short commute from Thornton’s center. Explore Ball Arena first and then travel to Red Rocks Amphitheater.
  • Love to hit up some other Denver cities? Book a car rental and set out for Castle Rock or Sedalia. With your own vehicle, exploring those off-radar destinations will also be a snap.

Nearby

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.