$611 Cheap Flights from Houston (HOU) to Oulu (OUL)

View $611 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Oulu (OUL)

Cheap Flights from Houston to Oulu (HOU-OUL)

Prices were available within the past 7 days and start at $611 for one-way flights and $915 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Sep 29 - Mon, Oct 6
HOU
Houston
OUL
Oulu
$915 Roundtrip, found 5 days ago
$915
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Sep 29 from Houston to Oulu, returning Mon, Oct 6, priced at $915 found 5 days ago

Alternative airports near Oulu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Oulu OUL. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $1,863
OUL
Oulu
CheapestClosest
Average driving time to city center16 min
Flights from $1,863
Flights from Houston (HOU) to Oulu (OUL)
Origin airport
William P. Hobby
Destination airport
Oulu
Roundtrip price
$915
Distance
5175 mi

Houston to Oulu Flights

The cheapest times to fly from Houston to Oulu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Oulu are during the month of September. You can find some of the cheapest flights from Houston to Oulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Oulu

Sunday is one of the best days to book for cheap flights from Houston to Oulu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Oulu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Oulu in 2025. You can also book with separate airlines for your outbound and return journeys, from $611 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Oulu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Oulu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Oulu Airport (OUL) cost?
Lock in a cheap one-way flight from $611 or cheap return flight from $915 from William P. Hobby Airport (HOU) to Oulu Airport (OUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Oulu Airport (OUL)?
September is the cheapest month to fly from HOU to OUL. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Oulu Airport (OUL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HOU to OUL flight.
How many flights per day from William P. Hobby Airport (HOU) to Oulu Airport (OUL)?
You'll need to book a flight with a layover when traveling from William P. Hobby Airport (HOU) to Oulu Airport (OUL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from HOU to OUL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Oulu Airport (OUL)?
To arrive at Oulu Airport (OUL) on time, pick a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Oulu Airport (OUL) last-minute?
Last-minute bookings from HOU to OUL are typically more expensive. To secure the lowest rates, start searching for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a HOU to OUL flight and hotel package?
You can save money by securing a HOU to OUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Oulu Airport (OUL)?
Generally, it's possible to cancel or reschedule your HOU to OUL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.