Cheap flights from Portland, Maine to Houston from $129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Houston departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Portland, Maine to Houston George Bush Intcntl Airport
Our best American Airlines deals on Portland, Maine to Houston George Bush Intcntl Airport flight tickets
Delta flights from Portland, Maine to Houston George Bush Intcntl Airport
Our best Delta deals on Portland, Maine to Houston George Bush Intcntl Airport flight tickets
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How to get the cheapest flight ticket from Portland, Maine to Houston George Bush Intcntl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Houston George Bush Intcntl Airport?
The month of July is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Portland, Maine, with most prices found around $274. If you are unable to visit Houston George Bush Intcntl Airport during the month of July, then departing from Portland, Maine during the month October is also very affordable. Most momondo users find prices during this month for around $280.
What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?
The cheapest day to depart from Portland, Maine to Houston George Bush Intcntl Airport is on a Tuesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Tuesday will often find tickets for as low as $309. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $567.
What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?
Our data shows that the cheapest Portland, Maine to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $396. Try not to purchase tickets in the morning because they tend to be around $428. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Portland to Houston George Bush Intcntl flight route?
Fly from Portland to Houston George Bush Intcntl for the best Portland - Houston George Bush Intcntl flight prices
What cabin class options are available on Portland to Houston George Bush Intcntl flights?
There are 1 cabin classes available to choose from on Portland to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Portland, Maine to Houston George Bush Intcntl Airport flight prices changed over time?
As of July 2025, prices for Portland, Maine to Houston George Bush Intcntl Airport flights are approximately 19% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Portland to Houston George Bush Intcntl?
Delta, American Airlines, and Frontier are the most popular carriers operating from Portland to Houston George Bush Intcntl
What airlines fly to Houston George Bush Intcntl Airport?
United Airlines, JetBlue and Spirit Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Portland, Maine according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 6 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portland, Maine to Houston George Bush Intcntl Airport on average per week?
5 flights are operational weekly from Portland, Maine to Houston George Bush Intcntl Airport as of July 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.
When to book flights from Portland, Maine to Houston George Bush Intcntl Airport
Cheap Portland, Maine to Houston George Bush Intcntl Airport (PWM to IAH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Houston George Bush Intcntl Airport
How far is Portland to Houston George Bush Intcntl by plane?
A flight from Portland to Houston George Bush Intcntl will travel around 1666.8 mi. In terms of flight time, this usually takes a little over 5h 47m.
When did momondo last update prices for flights from Portland Airport to Houston George Bush Intcntl Airport?
Prices for flights from Portland Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Houston George Bush Intcntl Airport?
As of July 2025, there are 4 operators available to choose from for flights from Portland Airport to Houston George Bush Intcntl Airport.
How old do you have to be to fly from Portland Airport to Houston George Bush Intcntl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Portland, Maine to Houston George Bush Intcntl Airport?
Based on momondo bookings for flights between Portland, Maine and Houston George Bush Intcntl Airport, the leading plane model is Embraer 175 (Enhanced Winglets), making up 100.00% of the total bookings.
What is the most popular airline from Portland, Maine to Houston George Bush Intcntl Airport?
Based on momondo bookings for flights between Portland, Maine and Houston George Bush Intcntl Airport, the leading airline is United Airlines, making up 34% of the total bookings. Other popular airlines include American Airlines with 30%, Delta with 27%, and Frontier with 10%.
Best airlines flying from Portland, Maine to Houston George Bush Intcntl Airport
Compare and see reviews for airlines that fly from Portland, Maine to Houston George Bush Intcntl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $208 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $260 | Free Cancellation | Rating 7.4 8,861 reviews |
United Airlines Flights From Portland, Maine to Houston George Bush Intcntl Airport
The lowest priced United Airlines flight from Portland, Maine to Houston George Bush Intcntl Airport from the last 72 hours was $260. Generally, United Airlines has 5 flights on this route every week with an average price of $428. United Airlines is rated 7.4/10 by our users.
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Why should I use momondo to find a flight deal from Portland to Houston?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Portland.
Can I find flights from Portland to Houston with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Houston from Portland with this policy.
How can momondo help me find flights from Portland to Houston?
momondo provides multiple filters to help you find the best flight to Houston from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Houston right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Portland to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.