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$106 Find cheap flights from Portland, Maine to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Houston departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/1
Mon 7/8

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Houston, as well as popular online travel agencies
In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

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Cheap flight deals from Portland to Houston (PWM-HOU)

 
These are the cheapest deals for flights from Portland to Houston currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Portland to Houston

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Portland to Houston.

Recent one-way flight deals from Portland to Houston

Only flying one-way? Below are some of the best one-way flight deals from Portland to Houston found on KAYAK recently.

Recent last minute flight deals from Portland to Houston

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Portland to Houston.

Recent direct flight deals from Portland to Houston

The latest deals for direct flights from Portland to Houston so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Portland to Houston

Find recent round-trip train or bus tickets from Portland to Houston.

All round-trip flight deals to Houston

The cheapest plane tickets to Houston found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:40 am - 1:44 pmPWM-IAH
7h 04m1 stop
2:40 pm - 9:29 pmIAH-PWM
5h 49m1 stop
$275JetBlue
Find Deal
Thu, Oct 3 - Sun, Oct 6
9:52 am - 6:54 pmPWM-IAH
10h 02m1 stop
6:13 pm - 9:02 amIAH-PWM
13h 49m1 stop
$302Frontier
Find Deal
Fri, Sep 6 - Mon, Sep 9
7:40 am - 1:44 pmPWM-IAH
7h 04m1 stop
2:40 pm - 9:29 pmIAH-PWM
5h 49m1 stop
$308JetBlue
Find Deal
Wed, Sep 11 - Mon, Sep 16
4:03 pm - 11:47 pmPWM-IAH
8h 44m2 stops
8:30 am - 3:13 pmIAH-PWM
5h 43m1 stop
$338American Airlines
Find Deal
Wed, Sep 11 - Mon, Sep 16
1:40 pm - 7:18 amPWM-IAH
18h 38m2 stops
7:25 pm - 11:27 amIAH-PWM
15h 02m2 stops
$345
Find Deal
Fri, Jul 26 - Tue, Jul 30
6:15 am - 12:10 pmPWM-HOU
6h 55m1 stop
4:20 pm - 11:29 pmHOU-PWM
6h 09m1 stop
$356Delta
Find Deal
Fri, Sep 6 - Mon, Sep 9
4:03 pm - 11:47 pmPWM-IAH
8h 44m2 stops
8:30 am - 3:13 pmIAH-PWM
5h 43m1 stop
$358American Airlines
Find Deal
Fri, Sep 6 - Mon, Sep 9
4:03 pm - 11:48 pmPWM-HOU
8h 45m2 stops
6:00 am - 2:49 pmHOU-PWM
7h 49m1 stop
$360American Airlines
Find Deal
Fri, Sep 6 - Mon, Sep 9
5:03 am - 12:10 pmPWM-HOU
8h 07m2 stops
10:30 am - 11:07 pmHOU-PWM
11h 37m2 stops
$366Delta
Find Deal
Fri, Sep 6 - Mon, Sep 9
7:26 pm - 12:11 amPWM-IAH
5h 45m1 stop
6:27 am - 9:33 pmIAH-PWM
14h 06m1 stop
$481United Airlines
Find Deal
Sat, Jun 29 - Sat, Jul 6
10:22 pm - 9:12 amPWM-IAH
11h 50m1 stop
$106Frontier
Find Deal
Tue, Jul 16
7:39 pm - 11:45 pmPWM-IAH
29h 06m2 stops
$133
Find Deal
Mon, Jun 10
10:01 pm - 8:57 amPWM-IAH
11h 56m1 stop
$144Frontier
Find Deal
Sun, Jul 14
10:50 am - 8:53 pmPWM-IAH
11h 03m1 stop
$151
Find Deal
Mon, Jun 10
1:18 pm - 8:08 pmPWM-IAH
7h 50m1 stop
$177American Airlines
Find Deal
Sat, Oct 26
5:13 pm - 9:47 pmPWM-IAH
5h 34m1 stop
$178American Airlines
Find Deal
Sat, Oct 26
6:10 am - 8:40 amPWM-IAH
27h 30m1 stop
$263United Airlines
Find Deal
Sun, Jun 9
6:50 pm - 8:00 amPWM-IAH
14h 10m2 stops
$289Southwest
Find Deal
Sun, Jun 9
2:50 pm - 1:15 amPWM-IAH
11h 25m3 stops
$330Southwest
Find Deal
Sun, Jun 9
5:30 am - 5:06 pmPWM-IAH
12h 36m2 stops
$449United Airlines
Find Deal
Sun, Jul 14

Flights from Portland to Houston - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to Houston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Houston?

The average price of all flights from Portland, Maine to Houston clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Houston on a Tuesday and more expensive on a Saturday. On your return trip to Portland, you should consider flying back on a Tuesday, and avoid Mondays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland, Maine to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland, Maine to Houston is September, where tickets cost $332 on average. On the other hand, the most expensive months are April and May, where the average cost of tickets is $686 and $644 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland, Maine to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Portland, Maine to Houston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 32 days before departure.

Which airlines provide the cheapest flights from Portland to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Frontier ($106) and American Airlines ($177). The cheapest round-trip tickets were found on JetBlue ($275) and Frontier ($302).

Good to know

Cheapest flight

$106
Flight from Portland to Houston George Bush Airport

When to book flights from Portland to Houston

Are your dates flexible? Find out the best times to travel from Portland to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Houston

  • What is the cheapest flight from Portland, Maine to Houston?

    In the last 3 days, the lowest price for a flight from Portland, Maine to Houston was $106 for a one-way ticket and $275 for a round-trip.

  • Do I need a passport to fly between Portland and Houston?

    Yes, you’ll need a passport to travel to Houston from Portland.

  • Which airports will I be using when flying from Portland to Houston?

    Portland is served by only 1 airport and there are 2 airports in Houston. You will leave Portland from Portland and you will be arriving in Houston at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from Portland to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Houston?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Portland and Houston, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Portland to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Portland to Houston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to Houston found on KAYAK in the last 72 hours.
7/16Tue
1 stopFrontier
11h 50mPWM-IAH
$106
6/10Mon
2 stops
29h 06mPWM-IAH
$133
7/14Sun
1 stopFrontier
11h 56mPWM-IAH
$144
6/10Mon
1 stop
11h 03mPWM-IAH
$151
10/26Sat
1 stopAmerican Airlines
7h 50mPWM-IAH
$177
10/26Sat
1 stopAmerican Airlines
5h 34mPWM-IAH
$178
6/9Sun
1 stopUnited Airlines
27h 30mPWM-IAH
$263
6/9Sun
2 stopsSouthwest
14h 10mPWM-IAH
$289
6/9Sun
3 stopsSouthwest
11h 25mPWM-IAH
$330
7/14Sun
2 stopsUnited Airlines
12h 36mPWM-IAH
$449

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Portland - Houston Flights

Departure:

Portland (PWM)United States

Return flight deals:

Houston - Portland

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