Cheap flights from Dallas to Portland from $137

The cheapest month to fly to Portland, Maine from Dallas is in January. Flight prices, which tend to average around $241, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $407.

On average, the least expensive day to fly to Portland, Maine from Dallas is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $421. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Dallas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $569.

At noon is the cheapest time of day to fly from Dallas to Portland, Maine when you can find flight prices for as low as $460. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $564. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Dallas/Fort Worth to Portland for the best Dallas - Portland flight prices

You are more likely to see cheaper flights to Portland, Maine from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $450 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Dallas for as low as $347 on momondo.

There are 3 cabin classes available to choose from on Dallas to Portland, Maine flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines and Southwest are the most popular carriers operating from Dallas to Portland

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Portland, Maine from Dallas according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from Dallas to Portland, Maine as of August 2026. The most popular departure time for this route is 2:00PM, with 55% of flights per day taking off in the afternoon.

As of August 2026, there are 8 flights per week flying from Dallas to Portland, Maine. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.