$589 Cheap Alaska Airlines flights Houston (IAH) to Petersburg (PSG)

View $589 flight on Tue, Aug 12, 2025Opens in a new window

$589 Cheap Alaska Airlines flights Houston (IAH) to Petersburg (PSG)

Prices were available within the past 7 days and start at $589 for one-way flights and $721 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 13 - Sat, Sep 27
IAH
Houston
PSG
Petersburg
$721 Roundtrip, found 2 days ago
$721
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Houston to Petersburg, returning Sat, Sep 27, priced at $721 found 2 days ago
Alaska Airlines
Sat, Sep 13 - Sat, Sep 27
IAH
Houston
PSG
Petersburg
$820 Roundtrip, found 2 days ago
$820
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Houston to Petersburg, returning Sat, Sep 27, priced at $820 found 2 days ago
Alaska Airlines
Thu, Jun 18 - Thu, Jun 25
IAH
Houston
PSG
Petersburg
$969 Roundtrip, found 2 days ago
$969
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Jun 18 from Houston to Petersburg, returning Thu, Jun 25, priced at $969 found 2 days ago
Alaska Airlines
Thu, Jun 18 - Thu, Jun 25
IAH
Houston
PSG
Petersburg
$988 Roundtrip, found 2 days ago
$988
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Jun 18 from Houston to Petersburg, returning Thu, Jun 25, priced at $988 found 2 days ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 19
IAH
Houston
PSG
Petersburg
$1,060 Roundtrip, found 6 days ago
$1,060
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Houston to Petersburg, returning Tue, Aug 19, priced at $1,060 found 6 days ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 19
IAH
Houston
PSG
Petersburg
$1,060 Roundtrip, found 6 days ago
$1,060
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Houston to Petersburg, returning Tue, Aug 19, priced at $1,060 found 6 days ago
Flights from Houston (IAH) to Petersburg (PSG)
Origin airport
George Bush Intercontinental
Destination airport
Petersburg
Airlines serving
Alaska Airlines
Popular airline
Alaska Airlines
Distance
2586 mi

Frequently asked questions

How much is an Alaska Airlines flight from George Bush Intercontinental Airport (IAH) to Petersburg Airport (PSG)?
Scoring cheap one-way Alaska Airlines flights from IAH to PSG from $589 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $721 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to PSG with Alaska Airlines?
It's generally cheaper to fly from IAH to PSG with Alaska Airlines in the off-peak season when demand is lower. Planning your vacation outside of school breaks and major holidays can also help you land cheaper deals on flights.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Petersburg Airport (PSG) with Alaska Airlines?
Look for affordable Alaska Airlines flights from George Bush Intercontinental Airport (IAH) to Petersburg Airport (PSG) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from George Bush Intercontinental Airport (IAH) to Petersburg Airport (PSG)?
Fill in your dates, press search and check "Nonstop" on Expedia to browse any direct flights from IAH to PSG with Alaska Airlines or other airlines.
What is the earliest Alaska Airlines flight from IAH to PSG?
Search Alaska Airlines's earliest flights from IAH to PSG by checking the "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Petersburg?
Take an Alaska Airlines flight from George Bush Intercontinental Airport (IAH) to Petersburg, and you'll likely come in to Petersburg Airport (PSG). This is the airline's primary hub in this destination.
Why fly with Alaska Airlines from IAH to PSG?
Alaska Airlines makes traveling from IAH to PSG enjoyable with a rewarding loyalty program and top-tier customer service. You may even earn points with Mileage Plan. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from George Bush Intercontinental Airport (IAH) to Petersburg Airport (PSG)?
Depending on the type of fare you purchased, a fee will generally apply if you change or cancel your booking more than 24 hours after it's been confirmed. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while looking for flights. To learn more about canceling or changing your reservation, go to "Trips," select your flight and click on "Manage Booking."

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