Cheap flights from Portland to Houston (PWM - IAH)

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The best prices from Portland to Houston are usually found in December or May, booked 45 days in advance, depart on a Thursday or Saturday and return on a Wednesday

How to find the cheapest flight from
Portland (PWM) to Houston (IAH)

All the information you need to plan the best PWM to IAH flight in 2022: compare Portland to Houston flight prices with the expected peak season, weather and rainfall in Houston.
What is the cheapest day to fly round-trip from Portland, Maine to Houston?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 48% on the overall cost on flights from Portland, Maine to Houston.

How far in advance should I book a flight from Portland, Maine to Houston?

Find a great deal and save up to 60% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland, Maine to Houston within the next two weeks, with the cheapest ticket starting at $304.

What is the cheapest month to fly from Portland, Maine to Houston?

Flights from Portland, Maine to Houston lean towards being more expensive in December. Prices are generally better when you fly from Portland, Maine to Houston in July, with the cheapest ticket starting at $90.

When is the cheapest time to fly from Portland, Maine to Houston (PWM - IAH)?

When flying from Portland, Maine to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight at noon.

Cheap flights from Portland to Houston in May, June 2022

The best prices found for PWM to IAH flights for May, June
28 Jun - 4 Jul
$349pp
PWM
Portland
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
PWM
Portland
30 May - 11 Jun
$353pp
PWM
Portland
Frontier
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
PWM
Portland
30 Jun - 4 Jul
$359pp
PWM
Portland
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
PWM
Portland

Portland to Houston 2022 flight deals

Cheap flights to Houston from Portland found for this year
6 Sep - 10 Sep
$268pp
PWM
Portland
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
 
1 STOP
PWM
Portland
6 Sep - 10 Sep
$326pp
PWM
Portland
American Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
   
2 STOPS
PWM
Portland
17 Aug - 22 Aug
$346pp
PWM
Portland
American Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
PWM
Portland

Last minute flights from Portland to Houston

Late deals on round-trip flights to Houston from Portland, departing today and this week
30 May - 11 Jun
$353pp
PWM
Portland
Frontier
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
PWM
Portland
29 May - 11 Jun
$463pp
PWM
Portland
American Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
PWM
Portland
3 Jun - 7 Jun
$470pp
PWM
Portland
American Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
PWM
Portland

One-way flights to Houston from Portland

The cheapest one-way flights from Portland to Houston
3:00 am - 10:37 am
United Airlines
1 Stop
8h 37m
PWM - IAH
United Airlines
$247
United
9:00 am - 5:43 am
Multiple Airlines
2 Stops
21h 43m
PWM - HOU
Multiple Airlines
$252
Gotogate
7:02 am - 7:02 pm
Frontier
1 Stop
13h 00m
PWM - IAH
Frontier
$257
Flights by SU

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Portland to Houston

What airport do you fly from for flights from Portland to Houston?

Most people fly from Portland (PWM) if they book a flight from Portland to Houston. On average, Portland has 0 outbound flights to Houston per day from 5 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

Which airlines flying from Portland to Houston have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from Portland to Houston have implemented new flexible cancellation policies.

Can I find flights from Portland, Maine to Houston for under $300 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to Houston for under $300. The cheapest flight booked recently is on United Airlines for just $268, but on average you can expect to pay $414.

Are there last-minute flights available from Portland, Maine to Houston for under $400?

There are currently 20+ open flights from Portland, Maine to Houston within the next 7 days for less than $400.

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

According to our current data, United Airlines ($268), American Airlines ($326), and Frontier ($386) offers the cheapest pricing from Portland, Maine to Houston. United Airlines is 11% 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 Houston one-way?

$168 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $172 and $173, respectively.

What are the most popular airlines that fly from Portland, Maine to Houston?

When booking a flight from Portland, Maine to Houston, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What are the cheapest flights from Portland, Maine to Houston?

The cheapest flight price from Portland, Maine to Houston is $178. On average you can expect to pay $525. The most popular route, (Portland - Houston Hobby), can usually be booked for $266.

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Portland?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Houston.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Houston.

Do I need a test to fly back to Portland from Houston?

Returning to Portland from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Portland.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for Houston, TX

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Portland to Houston.
Average temperature for May in Houston
77.0 °F

Airports servicing Portland

Airports servicing Houston

Top 3 airlines flying from Portland to Houston

The chart below displays the airlines Cheapflights users traveling from Portland to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$166 $390 No cancel fee 71%
Delta
$167 $373 No cancel fee N/A
United Airlines
$204 $407 No cancel fee 69%
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