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$119+ Cheap flights from Portland, ME (PWM) to Dallas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DFW
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dallas are usually found in January or April, booked 66 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Portland to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2026.

Round-trip from

$236
(American Airlines)

One-way from

$119
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$295
From Portland to Dallas
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One-way flight from Portland to Dallas
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Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Portland to Dallas

Cheapest flights from Portland to Dallas
Explore the most affordable flight options available from Portland to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:00 am
PWM
-
DFW
1 stop9h 33m
American Airlines
Sat 2/1410:30 am
DFW
-
PWM
1 stop6h 49m
American Airlines
Deal found 1/12$236
This United Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:12 pm
PWM
-
DFW
1 stop9h 47m
United Airlines
Tue 2/37:00 am
DFW
-
PWM
1 stop6h 39m
United Airlines
Deal found 1/12$237
This United Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/214:10 pm
PWM
-
DFW
1 stop7h 49m
United Airlines
Sun 1/257:00 am
DFW
-
PWM
1 stop6h 39m
United Airlines
Deal found 1/12$247
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/246:00 am
PWM
-
DFW
2 stops11h 00m
United Airlines
Tue 1/275:19 am
DFW
-
PWM
2 stops8h 20m
United Airlines
Deal found 1/13$253
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:35 pm
PWM
-
DFW
1 stop8h 08m
Delta
Sat 1/314:00 pm
DFW
-
PWM
1 stop5h 27m
Delta
Deal found 1/13$257
This Delta deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/315:30 am
PWM
-
DAL
1 stop9h 19m
Delta
Mon 2/93:57 pm
DAL
-
PWM
1 stop5h 30m
Delta
Deal found 1/12$257
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:29 am
PWM
-
DFW
2 stops31h 12m
Multiple Airlines
Sun 2/88:12 pm
DFW
-
PWM
1 stop11h 55m
Multiple Airlines
Deal found 1/12$258
This Delta deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:35 pm
PWM
-
DFW
2 stops10h 52m
Delta
Mon 2/91:35 pm
DFW
-
PWM
1 stop8h 47m
Delta
Deal found 1/12$262
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/272:35 pm
PWM
-
DAL
2 stops8h 54m
Delta
Fri 1/303:57 pm
DAL
-
PWM
1 stop5h 30m
Delta
Deal found 1/13$262
This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:20 am
PWM
-
DFW
1 stop6h 30m
American Airlines
Mon 2/165:30 am
DFW
-
PWM
1 stop5h 29m
American Airlines
Deal found 1/12$265
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/162:35 pm
PWM
-
DFW
1 stop8h 08m
Delta
Sun 1/185:30 am
DFW
-
PWM
1 stop5h 38m
Delta
Deal found 1/13$267
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:35 pm
PWM
-
DFW
2 stops10h 52m
Delta
Wed 2/411:58 am
DFW
-
PWM
2 stops10h 24m
Delta
Deal found 1/13$268

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Dallas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Portland to Dallas that are best for you.

Fly from

Portland

Fly to

Dallas

Route

Depart

Return

Price

PortlandDallas

PWM - DFW

PWMDFW

Portland

Sat 2/7

12:45 pm-6:40 pm

1 stop6h 55m

Dallas/Fort Worth

Mon 2/9

8:30 am-3:31 pm

1 stop6h 01m

$237

PortlandDallas

PWM - DFW

PWMDFW

Portland

Tue 2/24

6:00 am-2:23 pm

1 stop9h 23m

Dallas/Fort Worth

Tue 3/3

3:51 pm-11:50 pm

1 stop6h 59m

$237

PortlandDallas

PWM - DFW

PWMDFW

Portland

Mon 2/23

5:40 pm-11:47 pm

1 stop7h 07m

Dallas/Fort Worth

Wed 2/25

3:51 pm-11:50 pm

1 stop6h 59m

$237

PortlandDallas

PWM - DFW

PWMDFW

Portland

Fri 1/30

2:35 pm-9:43 pm

1 stop8h 08m

Dallas/Fort Worth

Mon 2/2

1:35 pm-11:22 pm

1 stop8h 47m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Sun 2/1

7:15 am-3:53 pm

1 stop9h 38m

Dallas/Fort Worth

Fri 2/6

1:32 pm-10:27 pm

1 stop7h 55m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Tue 1/27

6:00 am-12:38 pm

1 stop7h 38m

Dallas/Fort Worth

Fri 1/30

1:32 pm-10:27 pm

1 stop7h 55m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Fri 1/30

2:35 pm-9:43 pm

1 stop8h 08m

Dallas/Fort Worth

Sun 2/1

5:30 am-12:03 pm

1 stop5h 33m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Tue 1/27

6:00 am-12:38 pm

1 stop7h 38m

Dallas/Fort Worth

Sun 2/1

4:50 pm-11:22 pm

1 stop5h 32m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Thu 1/29

12:43 pm-6:37 pm

1 stop6h 54m

Dallas/Fort Worth

Mon 2/9

1:35 pm-11:22 pm

1 stop8h 47m

$257

PortlandDallas

PWM - DFW

PWMDFW

Portland

Sat 1/31

2:35 pm-8:36 pm

1 stop7h 01m

Dallas/Fort Worth

Sun 2/1

5:30 am-12:03 pm

1 stop5h 33m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 39 results
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Best time to book a flight from Portland to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Dallas

How far ahead should I book a flight from Portland, Maine to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Dallas. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from Portland, Maine to Dallas, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland, Maine to Dallas?

Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Dallas (average of $78). Flying from Portland, Maine to Dallas in October is currently the most expensive (average of $203). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated January 14, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Portland to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,257 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,040 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,156 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,118 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Portland to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Dallas?

    Most people fly from Portland (PWM) if they book a flight from Portland to Dallas. On average, Portland has 0 outbound flights to Dallas per day from 4 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • How long is the flight from Portland, Maine to Dallas?

    For as low as $237, American Airlines can have you in Dallas from Portland, Maine in 6h 55m. The distance from Portland, Maine to Dallas is about 1618 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Portland, Maine to Dallas round-trip?

    Cheapflights users have booked flights from Portland, Maine to Dallas round-trip from $138. Other airlines that can offer you cheap pricing are American Airlines, from $247, and United Airlines, from $282. Delta is 67% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland, Maine to Dallas one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $123. United Airlines flights start at $166 while deals on American Airlines start at $168 one-way.

  • What are the cheapest flights from Portland, Maine to Dallas?

    Looking at all options, your cheapest flight can be booked for $345. While the most popular route (Portland - Dallas/Fort Worth) can be booked for $237 on average, our data indicates $406 when flying from Portland, Maine to Dallas.

  • Can I find deals for flights from Portland to Dallas that include hotel bookings?

    Yes. In addition to deals on Portland to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Dallas.

  • Can I find deals for business class flights from Portland to Dallas?

    Yes. Cheapflights offers flight deals from Portland to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Dallas?

    Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Dallas (average of $78). Flying from Portland, Maine to Dallas in October is currently the most expensive (average of $203). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Portland to Dallas

Discover the top 4 airlines that operate flights from Portland to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$269Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$465FlexibilityNo cancel feeOn-time63%

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