Southwest has round-trip flights from Dallas (DAL) to Denver, Portland Oregon, or Boston (DEN, PDX, BOS) for $162-$257, NONSTOP. Flights September to March. No Sunday departures. Origin/Destination reversible.
Denver is the cheapest in this group, flight price range is $162-$176.
Portland/Boston price range is about: $251-$257
Frontier has round-trip flights from Dallas (DFW) to Denver or Phoenix (DEN, PHX) for $50-$54, NONSTOP. Denver flights August to September. Phoenix flights in August only. No Friday or Sunday departures. Origin/Destination reversible.
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $56-$63, NONSTOP. Flights April, May, June, and August. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $56-$63 round-trip [Apr-May, Jun, Aug] – Frontier
United has round-trip flights from Dallas (DFW) to Denver, Chicago, or San Francisco (DEN, ORD, SFO) for $91-$183, NONSTOP. Flights March to May. Departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible.
San Francisco flights from April to May. This destination is the most expensive in this list.
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $46-$66, NONSTOP. Flights February to May. Weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $46-$66 round-trip [February-May] – Frontier
American Airlines has round-trip flights from Dallas (DFW) to Denver, Raleigh, Salt Lake City, San Diego, St. Louis, Nashville, New Orleans, or Ontario California (DEN, RDU, SLC, SAN, STL, BNA, MSY, ONT) for $73-$134, NONSTOP. Flights December to the start of March. Origin/Destination reversible. No Christmas dates available.
New Orleans and Denver are the cheapest fares in this list.
This is part of the larger Domestic Airfare sale that we mentioned a few days ago.
Frontier has round-trip flights from Dallas (DFW) to Denver, Chicago, or Atlanta (DEN, ORD, ATL) for $54-$62, NONSTOP. $27-$31 each-way. Flights October to December. Origin/Destination reversible. No Christmas dates available.
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $38-$58, NONSTOP. Flights March to May. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $36-$58 r/t [March-May] – Frontier
United has round-trip flights from Dallas (DFW) to Denver (DEN) for $117-$126, NONSTOP. Flights September to December. Departures on Monday, Tuesday, Wednesday, Saturday, and Sunday. Extended weekends available. Origin/Destination reversible. No Christmas dates available.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Southwest has round-trip flights from Dallas (DAL) to Denver or Chicago (DEN, MDW) for $75-$101, NONSTOP. Flights August to November. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
This is part of the Domestic Airfare sale that we mentioned a few days ago. There are more destinations on sale than this one that we are highlighting.
United has round-trip flights from Dallas (DFW) to Denver (DEN) for $117-$124, NONSTOP. Flights June to November. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Frontier has round-trip flights from Dallas (DFW) to Denver or Chicago (DEN, ORD) for $38-$58, NONSTOP. Flights April to May. Extended weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver or Chicago $38-$58 r/t [April-May] – Frontier
American Airlines and United have round-trip flights from Dallas (DFW) to Denver (DEN) for $119, NONSTOP. Flights March to May. Very few weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Read More Nonstop Flights: Dallas to/from Denver $119 r/t [March-May] – American Airlines / United
United and American Airlines have round-trip flights from Dallas (DFW) to Denver (DEN) for $118, NONSTOP. Flights January to March. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $38-$58, NONSTOP. Flights April to May. No Sunday departures. Extended weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $38-$58 r/t [April-May] – Frontier
United has round-trip flights from Dallas (DFW) to Denver (DEN) for $90-$104, NONSTOP. Flights February to May. Extended weekends available.
Read More Nonstop Flights: Dallas to Denver $90-$104 r/t [February-May] – United
United has round-trip flights from Dallas (DFW) to Denver (DEN) for $105-$138, NONSTOP. Flights February to May. Extended weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $105-$138 r/t [February-May] – United
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $68-$95, NONSTOP. Flights August to October. Departures on Monday, Tuesday, Wednesday, Thursday, and Sunday. No Fridays or Saturdays. Very few extended weekends available. Origin/Destination reversible.
Frontier fares do not include a free carry-on bag. Only a small personal item, like a Jansport SuperBreak backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.
Read More Nonstop Flights: Dallas to/from Denver $68-$95 r/t [August-October] – Frontier
Frontier has round-trip flights from Dallas (DFW) to Denver (DEN) for $33-$47, NONSTOP. $18 each-way. Flights October to November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Note: Frontier fares do not include a free carry-on bag. Only a small personal item, like a Jansport City Scout backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.
Note: Frontier seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines.
Read More Nonstop Flights: Dallas to/from Denver $33-$47 r/t [October-November] – Frontier
United and American Airlines have round-trip flights from Dallas (DFW) to Denver (DEN) for $97-$101, NONSTOP. Flights in May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Read More Nonstop Flights: Dallas to/from Denver $97-$101 r/t [May] – American Airlines / United
