$451 Cheap Flights from Billings (BIL) to Oslo (OSL)

View $451 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)

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Cheap Flights from Billings to Oslo (BIL-OSL)

Prices were available within the past 7 days and start at $451 for one-way flights and $566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 17 - Wed, Dec 3
BIL
Billings
OSL
Oslo
$566 Roundtrip, found 2 days ago
$566
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 17 from Billings to Oslo, returning Wed, Dec 3, priced at $566 found 2 days ago
Delta
Thu, Jan 8 - Fri, Jan 16
BIL
Billings
OSL
Oslo
$567 Roundtrip, found 1 day ago
$567
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 8 from Billings to Oslo, returning Fri, Jan 16, priced at $567 found 1 day ago
Delta
Tue, Nov 4 - Fri, Nov 21
BIL
Billings
OSL
Oslo
$572 Roundtrip, found 2 days ago
$572
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 4 from Billings to Oslo, returning Fri, Nov 21, priced at $572 found 2 days ago
Delta
Thu, Jan 8 - Fri, Jan 16
BIL
Billings
OSL
Oslo
$572 Roundtrip, found 1 day ago
$572
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 8 from Billings to Oslo, returning Fri, Jan 16, priced at $572 found 1 day ago
United
Tue, Nov 4 - Sun, Nov 16
BIL
Billings
OSL
Oslo
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 4 from Billings to Oslo, returning Sun, Nov 16, priced at $573 found 2 days ago
Delta
Mon, Nov 17 - Tue, Dec 2
BIL
Billings
OSL
Oslo
$576 Roundtrip, found 2 days ago
$576
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 17 from Billings to Oslo, returning Tue, Dec 2, priced at $576 found 2 days ago
Delta
Wed, Dec 24 - Fri, Jan 9
BIL
Billings
OSL
Oslo
$576 Roundtrip, found 2 days ago
$576
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 24 from Billings to Oslo, returning Fri, Jan 9, priced at $576 found 2 days ago
American Airlines
Wed, Nov 5 - Wed, Nov 12
BIL
Billings
OSL
Oslo
$578 Roundtrip, found 5 days ago
$578
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 5 from Billings to Oslo, returning Wed, Nov 12, priced at $578 found 5 days ago
Lufthansa
Tue, Mar 17 - Tue, Mar 24
BIL
Billings
OSL
Oslo
$608 Roundtrip, found 1 day ago
$608
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Mar 17 from Billings to Oslo, returning Tue, Mar 24, priced at $608 found 1 day ago
KLM
Sat, Nov 8 - Fri, Nov 14
BIL
Billings
OSL
Oslo
$631 Roundtrip, found 2 days ago
$631
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Nov 8 from Billings to Oslo, returning Fri, Nov 14, priced at $631 found 2 days ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL) cost?
Secure a cheap one-way flight from $451 or cheap return flight from $566 from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL) 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 Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)?
November is the most affordable month to fly from BIL to OSL. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BIL to OSL flight.
How many flights per day from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)?
Nonstop flights from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIL to OSL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)?
To avoid possible delays on the Logan Intl. Airport (BIL) to Gardermoen Airport (OSL) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Logan Intl. Airport (BIL) to Gardermoen Airport (OSL) last-minute?
Waiting until just before your trip to book a flight from BIL to OSL generally means paying more. While you may come across some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a BIL to OSL flight and hotel package?
You'll generally save money by booking a BIL to OSL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Gardermoen Airport (OSL)?
It's generally possible to reschedule or cancel your BIL to OSL 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 possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$565
Distance
4367 mi

Book with confidence

Book with confidence

Billings to Oslo Flights

The cheapest times to fly from Billings 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 Billings to Oslo are during the month of November. You can find some of the cheapest flights from Billings to Oslo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Oslo

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $451 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 Billings 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 Billings 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.

 

Billings to Oslo Flights

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