Cheap Flights from Boise (BOI) to Rost (RET)

Popular airlines from Boise Airport (BOI) to Rost (RET)

Flights from Boise (BOI) to Rost (RET)
Origin airport
Boise
Destination airport
Rost
Distance
4303 mi

Boise to Rost Flights

The cheapest times to fly from Boise to Rost

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

 

The best time to book a flight from Boise to Rost

Sunday is one of the best days to book for cheap flights from Boise to Rost: 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 Boise to Rost

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 Boise to Rost in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Boise to Rost 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 Boise to Rost 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 Boise Airport (BOI) to Rost (RET) cost?
Get a cheap one-way flight or cheap return flight from Boise Airport (BOI) to Rost (RET) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Rost (RET)?
is the most affordable month to fly from BOI to RET. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Boise Airport (BOI) to Rost (RET)?
To find the cheapest airline that'll fly you from BOI to RET, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Boise Airport (BOI) to Rost (RET)?
There are no daily direct flights departing from Boise Airport (BOI) to Rost (RET). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BOI to RET?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Rost (RET)?
To avoid possible delays on the Boise Airport (BOI) to Rost (RET) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Boise Airport (BOI) to Rost (RET) last-minute?
Holding off until just before your departure to book a ticket from BOI to RET generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Keep your travel schedule open to maximize your chances of snagging a bargain.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Rost (RET)?
In most cases, you can modify or cancel your BOI to RET flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.