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$114+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DFW
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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

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 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 2/245:40 pm
PWM
-
DFW
1 stop8h 09m
American Airlines
Tue 3/38:35 am
DFW
-
PWM
1 stop7h 32m
American Airlines
Deal found 1/18$227
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/314:10 pm
PWM
-
DFW
1 stop7h 55m
United Airlines
Tue 2/37:25 am
DFW
-
PWM
1 stop6h 06m
United Airlines
Deal found 1/19$232
This deal was found by Cheapflights users on 1/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/272:35 pm
PWM
-
DFW
1 stop8h 08m
Delta
Mon 2/23:45 pm
DFW
-
PWM
1 stop5h 42m
Delta
Deal found 1/19$237
This United Airlines deal was found by Cheapflights users on 1/18. 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 2/411:10 am
PWM
-
DFW
2 stops9h 53m
United Airlines
Mon 2/95:19 am
DFW
-
PWM
2 stops8h 12m
United Airlines
Deal found 1/18$238
This Delta deal was found by Cheapflights users on 1/19. 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 2/242:35 pm
PWM
-
DFW
1 stop8h 08m
Delta
Tue 3/31:32 pm
DFW
-
PWM
2 stops9h 46m
Delta
Deal found 1/19$242
This Delta deal was found by Cheapflights users on 1/19. 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 2/32:35 pm
PWM
-
DAL
2 stops8h 54m
Delta
Sat 2/73:57 pm
DAL
-
PWM
1 stop5h 30m
Delta
Deal found 1/19$242
This Delta deal was found by Cheapflights users on 1/18. 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.
Wed 2/42:35 pm
PWM
-
DAL
2 stops8h 54m
Delta
Mon 2/911:57 am
DAL
-
PWM
2 stops10h 25m
Delta
Deal found 1/18$248
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 2/64:10 pm
PWM
-
DFW
1 stop7h 49m
United Airlines
Sun 2/85:19 am
DFW
-
PWM
2 stops8h 12m
United Airlines
Deal found 1/19$262
This Southwest deal was found by Cheapflights users on 1/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/253:30 pm
PWM
-
DAL
1 stop6h 45m
Southwest
Fri 2/276:10 am
DAL
-
PWM
1 stop6h 35m
Southwest
Deal found 1/19$268
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sun 2/15:20 am
PWM
-
DFW
1 stop7h 33m
American Airlines
Tue 2/312:50 pm
DFW
-
PWM
1 stop8h 17m
American Airlines
Deal found 1/18$273
This American Airlines deal was found by Cheapflights users on 1/17. 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.
Thu 2/125:40 pm
PWM
-
DFW
1 stop8h 09m
American Airlines
Tue 2/173:58 pm
DFW
-
PWM
1 stop5h 32m
American Airlines
Deal found 1/17$277
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/256:00 am
PWM
-
DFW
2 stops11h 57m
United Airlines
Fri 2/277:45 am
DFW
-
PWM
1 stop5h 38m
United Airlines
Deal found 1/19$284

Find 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 20, 2026.

Round-trip from

$227
(American Airlines)

One-way from

$114
(United Airlines)

Popular in

July

Cheapest in

January

Average price

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

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 20, 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

Thu 2/5

3:12 pm-11:59 pm

1 stop9h 47m

Dallas/Fort Worth

Mon 2/9

7:25 am-2:31 pm

1 stop6h 06m

$227

PortlandDallas

PWM - DFW

PWMDFW

Portland

Wed 2/18

5:40 pm-11:47 pm

1 stop7h 07m

Dallas/Fort Worth

Wed 2/25

8:35 am-5:07 pm

1 stop7h 32m

$227

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

$227

PortlandDallas

PWM - DFW

PWMDFW

Portland

Wed 2/4

5:20 am-11:40 am

1 stop7h 20m

Dallas/Fort Worth

Mon 2/9

5:15 am-12:06 pm

1 stop5h 51m

$227

PortlandDallas

PWM - DFW

PWMDFW

Portland

Fri 2/6

12:46 pm-9:36 pm

1 stop9h 50m

Dallas/Fort Worth

Sun 2/8

5:15 am-12:06 pm

1 stop5h 51m

$227

PortlandDallas

PWM - DFW

PWMDFW

Portland

Wed 2/18

6:00 am-12:12 pm

1 stop7h 12m

Dallas/Fort Worth

Wed 2/25

5:15 am-2:23 pm

2 stops8h 08m

$232

PortlandDallas

PWM - DFW

PWMDFW

Portland

Wed 2/4

11:10 am-9:34 pm

2 stops11h 24m

Dallas/Fort Worth

Mon 2/9

7:25 am-2:31 pm

1 stop6h 06m

$232

PortlandDallas

PWM - DFW

PWMDFW

Portland

Sat 1/31

4:10 pm-11:05 pm

1 stop7h 55m

Dallas/Fort Worth

Tue 2/3

7:25 am-2:31 pm

1 stop6h 06m

$232

PortlandDallas

PWM - DFW

PWMDFW

Portland

Sat 1/24

5:30 am-1:28 pm

1 stop8h 58m

Dallas/Fort Worth

Wed 2/4

5:15 am-12:06 pm

1 stop5h 51m

$232

PortlandDallas

PWM - DFW

PWMDFW

Portland

Wed 1/28

6:00 am-12:38 pm

1 stop7h 38m

Dallas/Fort Worth

Sat 1/31

4:00 pm-10:27 pm

1 stop5h 27m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 16, 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 20, 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
4,267 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
8,076 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
9,180 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
11,164 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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 $227, United Airlines can have you in Dallas from Portland, Maine in 7h 07m. 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 $241, 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 United Airlines, which is currently one of the cheapest options available, starting at $118. Delta flights start at $123 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 $223. While the most popular route (Portland - Dallas/Fort Worth) can be booked for $227 on average, our data indicates $325 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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See prices for flight routes from nearby airports that may be better suited for you.
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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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$241Average$447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$461FlexibilityNo cancel feeOn-time63%

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