Cheap flights from Dallas to Portland from $134

The cheapest month to fly to Portland, Maine from Dallas is in July. Flight prices, which tend to average around $118, 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 July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $168.

On average, the least expensive day to fly to Portland, Maine from Dallas is on a Monday. momondo users have found tickets for Monday departures for as low as $427. 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 $558.

In the morning is the cheapest time of day to fly from Dallas to Portland, Maine when you can find flight prices for as low as $480. Flying to Portland, Maine in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $507. 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 $469 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 $383 on momondo.

There are 2 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, Southwest, and Delta are the most popular carriers operating from Dallas to Portland

American Airlines, Delta and JetBlue 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 7 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

2 flights are operational daily from Dallas to Portland, Maine as of May 2026. The most popular departure time for this route is 11:00AM, with 63% of flights per day taking off at noon.

As of May 2026, there are 14 flights per week flying from Dallas to Portland, Maine. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.