Image Credits: Alan Stark, Creative Commons 2.0
Published August 21, 2025 by

Nonstop Flights: Dallas to Phoenix, Los Angeles, Detroit, Minneapolis, St. Louis $68-$97 r/t [September] (Free Checked Bag – Use Code “FREEBAG”) – Frontier

[08/21/2025 @ 09:03 AM CT] Deal time-stamp.
[2025-08-21 13:21:00] This price is still available, but the original date ranges may have shifted. We have updated the example date links in this post to reflect those changes.

Deals are usually valid 24 to 72 hours after posting, but can expire at any time (see time-stamp).

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To book: Use our updated link list.
Or book with these sites: Frontier, Priceline, Skyscanner, Expedia, Travelocity, Tripadvisor, Orbitz, CheapTickets, Kayak.

Frontier has round-trip flights from Dallas (DFW) to Phoenix, Los Angeles, Detroit, Minneapolis, St. Louis (PHX, LAX, DTW, MSP, STL) for $68-$97, NONSTOP. Most flights in September. Detroit flights August to November. Minneapolis flights August to October. Note the instructions to get this to work right.

  • Free Checked Bag Coupon: Use code “FREEBAG“. *Buy by 8/21/25. Fly between 9/5/25 – 1/5/2026. Limit one free Checked Bag per person, per direction, weight limit applies.
  • When booking, Select “Basic Fare”, Don’t purchase any add-ons, Don’t select any bundle, Avoid seat fee by accepting the random seat, Don’t pay for a carry-on. Use Frontier’s Mobile app to avoid airport agent fees. Then under “Checked Bags” select “1x 40lb Checked Bag – $0” (see image)
  • Before you enter in your credit card information: Double check that is says “$0.00 Checked Bag” for both your departing and return flights (see image). If it says “You have not purchased bags. Add now!” click it to re-add bags, and RE-ENTER the “FREEBAG” coupon code on the same page that you enter in your payment details.

If you use the Frontier Airlines World Mastercard®, you can avoid bag fees for your first two standard-sized checked-bags. The card has a $99 annual fee, so keep in mind that you’ll need to use the free bag perk at least once a year to break even. Bags normally cost between $49-to-$99 each-way, so if you plan on traveling with bags on Frontier often you can get a lot of potential savings from this perk.

If you don’t have a way to avoid bag fees, consider using a small backpack as your “personal item” when flying Frontier. Dimensions for my Jansport backpack are: 18″ x 13″ x 8.5″. Which is half-an-inch larger than what is officially allowed by Frontier, but it has never been a problem for me. Bag designs like the Jansport SuperBreak backpack (linked) have the same dimensions as the bag I’m using, and also have a large main compartment, which makes it ideal for stuffing as much as you can into the limited amount of space.

Recently starting in 2025, Frontier has made some changes to how they operate bringing them closer in-line to a regular carrier. The first change is adding “first class” seating in the first two rows of their aircraft, the seat size and type is similar to business/first class domestic seating on most regular carriers. The second change is allowing Gold Status and above to get complimentary upgrades into the new “first class” seating. The last major change is that Platinum and Diamond Elite members can get a companion pass for just the tax+fees, which isn’t free, but it avoids the airfare cost of the ticket. There is no limit on the number of times the Companion Travel benefit can be used and the companion can be changed for each flight. This can generate substantial savings if you travel with a partner on Frontier often.

You can usually save more money by booking your flight+hotel together as a package instead of separately.

Do a search on Tripadvisor to find guides, tours, restaurants, attractions, and cool things to do. It’s a good resource to help me plan your day-to-day itinerary while on vacation.

We post new flight deals often! You can check out our other deals by returning to the Front Page of our website: cheapdfw.com (linked).

Here are some other offers that we think are worth mentioning. List updated 08/14/2025.

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Use the example date links on our website to pull up the fare.

  • Dallas to St. Louis - Extended Weekend Dates: (Skyscanner) Sep 18 - Sep 21 / Other dates: There are more dates available than the ones we list here, experiment on your own.

When you are ready to book your flight or hotel, please use the links on our page to begin your booking process so we receive credit for the referral.

  • Tips: Use Tripadvisor to create a Hotel “short list”. First, plug in your dates and destination. Then select “Sort by Traveler Ranked”. Finally, select the “Traveler Ranking” filter to show “only 4* and up”. Use this resulting “short list” of hotels to find the cheapest one with a high ranking.
  • Tips: Hotel rates for Weekend dates are usually higher than the rates for Sunday through Thursday. Tripadvisor has a color-coded date calendar, red when the average hotel price for that day is more expensive, green for less expensive. You can use this to get an overview of what dates in the month are at a discount.
  • Tips: Different booking websites will often have differing routes, prices, and availability. Before you finalize your purchase, do a quick check on BookingBuddy, Skyscanner, and Kayak to see if any other site or airline is offering a better deal.


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Flights departing from a different city (our other websites):

Other Useful Links:

  • [Budget Travel] – list all the posts that deal with Budget Travel (filter out all the flight deal posts)

Ren P. Artemio

Ren is the Chief Director of Nap Times at Escape Houston, Escape ATX, Cheap DFW, and Escape Flights. He really likes researching airfare and the travel industry, especially when it means getting a cheap flight to anywhere (he's not picky).

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