$89 Cheap flight deals from Boston (BOS) to Sun Valley (BOI)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Boston to Sun Valley

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $89 One Way, $203 Round Trip from Boston to Sun Valley

Prices starting at $203 for return flights and $89 for one-way flights to Sun Valley were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Valley economy flight packages

Price found within the past 48 hours. Click for updated prices.
Red Lion Hotel Boise Downtowner
Simple Suites Boise Airport
WaterWalk Boise - Meridian
Don't see what you're looking for?
See all available trips from Boston to Sun Valley
View all trips

More About Flying To Sun Valley from Boston

Route Information for Flights from Boston to Sun Valley

Origin Airport IATA Code
BOS
Destination Airport IATA Code
BOI
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Book Your Flight from Boston to Sun Valley

Boston Logan International Airport

The Boston Logan International Airport is located at 1 Harborside Drive, approximately four miles from downtown Boston. Numerous airlines service the airport, including US Airways, Virgin America, JetBlue and British Airways. Orbitz.com can help you find cheap flights from Boston. The website searches and displays your flight choices, so you can book one with a cheap rate.

Parking and Transportation

If you need to leave your car at the airport while you travel, there are several parking lots available. Most of the lots cost $27 per day to park; however, the airport does have an economy parking lot that offers long-term parking for $18 per day. There are shuttles that run from all of the parking lots to the airport terminals. The subway runs from downtown Boston to the airport. The trip takes between 35 and 45 minutes and costs $2. Taxicab services from downtown Boston to the airport cost between $25 and $45, depending on the length of the trip. The Orbitz.com website has the tools you need to reserve a rental car at your destination. This way, you don't have to wait at the airport. Your car will be ready for you when you arrive.

Dining at the Airport

When you use Orbitz.com to book cheap flights from Boston, you don't have to worry about your travel arrangements. This gives you plenty of time to grab a quick meal before you board your plane. The airport has a variety of dining options available, including Johnny Rockets, Vineyard Grille and Wolfgang Puck Gourmet Express.

Friedman Memorial Airport

Flights to Sun Valley can be found through Orbitz.com. Sky West Airlines, Delta Connection, Alaska Airlines, and several charter companies run cheap flights into the airport every day. The drive from downtown Sun Valley to the airport can take up to 45 minutes when traffic is backed up.

Shuttles and Rental Cars

Sun Valley Express is a private charter company that offers travelers the chance to ride a bus from the airport to several hotels in town. This is the only company of its kind operating in the area, and your only other choice is a rental car. Avis, Budget, and Hertz offer rental cars starting at around $20 a day, while the shuttle costs up to $65.

Mild Summers and Harsh Winters

The winter in Sun Valley is quite harsh with average highs in the low 30s and temperatures dropping below 10 degrees. Winter can also bring more than 20 inches of snow every month. The cold weather typically lasts through the spring, but the temperatures can climb to the low 60s by May. Summer highs are usually in the high 70s and low 80s.

Arts and Sports

The most popular activities and attractions in Sun Valley relate to arts and sports. Culture comes to life at the Sun Valley Center for the Arts, while sports lovers can find activities during the winter and summer. Skiing and snowboarding is a popular winter activity, and horseback riding, hiking, and biking are popular in the warmer months. The deals that Orbitz.com provides to customers makes finding flights to Sun Valley easy. When you visit the site, you will find that it only takes minutes to book your trip.

Frequently asked questions

What is the shortest flight from Boston to Sun Valley?
From Boston, the thrilling sights and sounds of Sun Valley are at least 6 hours and 12 minutes away. Secure your favorite seat, or maybe even upgrade to one with a bit more legroom, and fly to your destination in comfort.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.