$487 Cheap Flights from Houston (IAH) to Oslo (OSL)

View $487 flight on Tue, Dec 30, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL)

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Oslo (IAH-OSL)

Prices were available within the past 7 days and start at $487 for one-way flights and $619 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Oct 22 - Fri, Oct 24
IAH
Houston
OSL
Oslo
$619 Roundtrip, found 8 hours ago
$619
Roundtrip
found 8 hours ago
Select British Airways flight, departing Wed, Oct 22 from Houston to Oslo, returning Fri, Oct 24, priced at $619 found 8 hours ago
American Airlines
Wed, Aug 13 - Wed, Aug 20
IAH
Houston
OSL
Oslo
$653 Roundtrip, found 3 days ago
$653
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 13 from Houston to Oslo, returning Wed, Aug 20, priced at $653 found 3 days ago
Delta
Wed, Nov 5 - Tue, Nov 11
IAH
Houston
OSL
Oslo
$665 Roundtrip, found 3 hours ago
$665
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Nov 5 from Houston to Oslo, returning Tue, Nov 11, priced at $665 found 3 hours ago
Air Canada
Wed, Dec 3 - Wed, Dec 10
IAH
Houston
OSL
Oslo
$669 Roundtrip, found 4 days ago
$669
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Dec 3 from Houston to Oslo, returning Wed, Dec 10, priced at $669 found 4 days ago
United
Wed, Oct 29 - Thu, Nov 20
IAH
Houston
OSL
Oslo
$676 Roundtrip, found 5 days ago
$676
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 29 from Houston to Oslo, returning Thu, Nov 20, priced at $676 found 5 days ago
Scandinavian Airlines
Mon, Aug 18 - Tue, Aug 26
IAH
Houston
OSL
Oslo
$680 Roundtrip, found 9 hours ago
$680
Roundtrip
found 9 hours ago
Select Scandinavian Airlines flight, departing Mon, Aug 18 from Houston to Oslo, returning Tue, Aug 26, priced at $680 found 9 hours ago
Iberia
Wed, Nov 5 - Wed, Nov 19
IAH
Houston
OSL
Oslo
$722 Roundtrip, found 4 hours ago
$722
Roundtrip
found 4 hours ago
Select Iberia flight, departing Wed, Nov 5 from Houston to Oslo, returning Wed, Nov 19, priced at $722 found 4 hours ago
Lufthansa
Wed, Mar 4 - Thu, Mar 12
IAH
Houston
OSL
Oslo
$730 Roundtrip, found 1 hour ago
$730
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Wed, Mar 4 from Houston to Oslo, returning Thu, Mar 12, priced at $730 found 1 hour ago
KLM
Wed, Nov 5 - Tue, Nov 11
IAH
Houston
OSL
Oslo
$732 Roundtrip, found 3 hours ago
$732
Roundtrip
found 3 hours ago
Select KLM flight, departing Wed, Nov 5 from Houston to Oslo, returning Tue, Nov 11, priced at $732 found 3 hours ago
Air France
Wed, Nov 5 - Tue, Nov 11
IAH
Houston
OSL
Oslo
$733 Roundtrip, found 3 hours ago
$733
Roundtrip
found 3 hours ago
Select Air France flight, departing Wed, Nov 5 from Houston to Oslo, returning Tue, Nov 11, priced at $733 found 3 hours ago
Flights from Houston (IAH) to Oslo (OSL)
Origin airport
George Bush Intercontinental
Destination airport
Gardermoen
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$618
Distance
4962 mi

Houston to Oslo Flights

The cheapest times to fly from Houston to Oslo

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 Oslo are during the month of October. You can find some of the cheapest flights from Houston to Oslo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Houston to Oslo

Sunday is one of the best days to book for cheap flights from Houston to Oslo: 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 Oslo

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 Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $487 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 Oslo 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 Oslo 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 George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL) cost?
Discover the latest flight deals from IAH to OSL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAH to OSL?
The cheapest flights from IAH to OSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAH to OSL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAH to OSL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL)?
There aren’t any daily nonstop flights from George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from IAH to OSL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL)?
To reach Gardermoen Airport (OSL) without delays, choose a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL) last-minute?
Booking your plane ticket from IAH to OSL just before your trip is generally more expensive. However, if there’s some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an IAH to OSL flight and hotel package?
You’ll typically save money by booking an IAH to OSL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. Once you’ve chosen your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Gardermoen Airport (OSL)?
In most instances, you can reschedule or cancel your IAH to OSL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s policies and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.