Airfare Deals American Airlines American Airlines AAdvantage Boston Dallas DFW United Airlines United Mileage Plus

American Boston to Dallas $108 round trip June 2016; $166 July; UA $163 August

American and United are competing with Spirit Airlines low fares on limited dates in June, July and August with fares as low as $36 to $44 one way in June and $74 to $84 one way in July. Low fare dates are sporadic, so making a round trip with one airline getting low fares on outbound and return can be tough. Easier if you mix and match airlines. I find round trips easier to construct searching one way fares on Google Flights. There are a couple of potential mileage run dates for $99 round trip, but this fare is better for someone who wants a week in either Dallas or Boston and is flexible for June or July travel. I find round trips easier to construct searching one way fares on Google Flights.

American Airlines  Boston BOS – Dallas DFW

$108.20 round trip Wed June 8 – Tuesday June 14

BOS-DFW $108 AA June 8-14

American Airlines Dallas DFW – Boston

$166.20 round trip Tuesday July 12 – Thursday July 21

DFW-BOS AA $166 Jul 12-21

United also has some low round trip fares for travel in August.

United Airlines  Dallas DFW – Boston BOS

$163.20 Monday August 8 – Monday August 15

DFW-BOS $163 UA Aug 8-15

Loyalty Traveler curated Airfare Deals and Google Flights and Kayak Explore tutorials.

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