United has round-trip flights from Dallas (DFW/DAL) to Aspen (ASE) for $114-$174 with a connection. $57 each-way. Flights February to June. No Friday departures. No Sunday or Monday returns. Origin/Destination reversible.

Note: A checked bag will cost +$30 each-way in “Basic Economy”.

Note: “Basic Economy” fares do not include a free carry-on bag. Only a tiny personal item (like a laptop bag) is allowed for free. United’s personal item allowance of (9in x 10in x 17in) is smaller than most other airlines. Seats are randomly assigned prior to boarding. If you have the United MileagePlus credit-card, use the “free checked bag” perk.

Read More Cheap Flights: Dallas to/from Aspen ($114 no bag) ($174 with bag) r/t – United Basic Economy

Airfare Deals Aspen Star Alliance United

Lufthansa, United, and Alliance partners have round-trip flights from Dallas (DFW) to Barcelona (BCN) starting at $368 with a connection. Flights February to May. Flight may operate as a Star Alliance code-share. Holiday blackouts apply. 7-day minimum stay required.

Note: Fare allows for a free carry-on, but a checked bag will cost about +$60 each-way.

Read More Cheap Flights: Dallas to Barcelona $368-$403 – Lufthansa / United + Alliance

Airfare Deals Air France Barcelona Lufthansa Madrid Star Alliance United

Delta, United, and their Alliance partners have flights from Dallas (DFW) to Amsterdam (AMS) for $381-$426. Flights February to mid-May. 7-day minimum stay required. Flight may operate as a SkyTeam/Star Alliance code-share.

Note: Fare allows for a free carry-on bag, but checked bags will cost about +$60 each-way. Seat selection is free on Star Alliance flights, but has a fee on SkyTeam.

Read More Cheap Flights: Dallas to Amsterdam $381-$426 r/t – Delta / United + Alliance Partners

Airfare Deals American Airlines Amsterdam Delta SkyTeam Star Alliance United

Iberia and American Airlines has flights from Dallas (DFW) to Zagreb (ZAG) for $441-$466. Flights January to March. 7-day minimum stay required. Flight may operate as a Oneworld code-share.

Note: This is a slight price drop from Lufthansa’s sale from a few days ago.

Note: Fare allows for a free carry-on bag, but checked bags will cost about +$60 each-way.

Read More Cheap Flights: Dallas to Zagreb, Croatia $441-$466 r/t – American / Iberia

Airfare Deals American Airlines Finnair Lufthansa Oneworld SkyTeam Star Alliance United Zagreb

United has flights from Dallas (DFW) to Rio de Janeiro or Sao Paulo (GIG/GRU) for $509 with a connection. Flights sparse and scattered from February to June. 7-day minimum stay required. Flight may operate as a Star Alliance code-share.

Note: Fare allows for a free carry-on bag, but checked bags will cost about +$60 each-way.

Note: Stick to the Example Dates for this one. Other dates may have long stops or multiple connections.

Note: Be aware of the time and season change when traveling to your destination.

Read More Cheap Flights: Dallas to Rio de Janeiro or Sao Paulo $509 r/t – United

Airfare Deals Rio Sao Paulo Star Alliance United

United has flights from Dallas (DFW) to Dublin or Lisbon (DUB/LIS) for $365-$472 with a connection. Flights January to March. 7-day minimum stay required. Flight may operate as a Star Alliance code-share.

Note: Fare allows for a free carry-on bag, but checked bags will cost about +$60 each-way.

Note: Cheaper fares will have a longer connection.

Note: Other destinations in Europe are also on sale. See other posts.

Read More Cheap Flights: Dallas to Dublin or Lisbon $365-$472 r/t – United

Airfare Deals American Airlines Athens Budapest Dublin Finnair Istanbul Lisbon Lufthansa Oneworld Prague SkyTeam Star Alliance United Vienna Warsaw

Airfare Deals American Airlines Athens Budapest Finnair Istanbul Lufthansa Oneworld Prague SkyTeam Star Alliance United Vienna Warsaw

Airfare Deals American Airlines Athens Finnair Istanbul Lufthansa Oneworld SkyTeam Star Alliance United

Airfare Deals American Airlines Amsterdam Berlin Finnair Lufthansa Oneworld SkyTeam Star Alliance United