$99 Cheap Flights to Island Park, ID

View $99 flight on Sat, May 30, 2026Opens in a new window

Popular airlines to Island Park

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How much is the cheapest flight to Island Park?

Prices were available within the past 7 days and start at $99 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 16 - Sun, May 17
PDX
Portland
IDA
Idaho Falls
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Sat, May 16 from Portland to Idaho Falls, returning Sun, May 17, priced at $177 just found
Alaska Airlines
Thu, May 14 - Sun, May 17
PDX
Portland
IDA
Idaho Falls
$177 Roundtrip, found 4 hours ago
$177
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, May 14 from Portland to Idaho Falls, returning Sun, May 17, priced at $177 found 4 hours ago
Alaska Airlines
Fri, May 15 - Sat, May 16
PDX
Portland
IDA
Idaho Falls
$187 Roundtrip, found 6 hours ago
$187
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, May 15 from Portland to Idaho Falls, returning Sat, May 16, priced at $187 found 6 hours ago
American Airlines
Wed, Sep 30 - Wed, Oct 7
ORD
Chicago
IDA
Idaho Falls
$271 Roundtrip, just found
$271
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 30 from Chicago to Idaho Falls, returning Wed, Oct 7, priced at $271 just found
United
Wed, Sep 30 - Wed, Oct 7
ORD
Chicago
IDA
Idaho Falls
$291 Roundtrip, just found
$291
Roundtrip
just found
Select United flight, departing Wed, Sep 30 from Chicago to Idaho Falls, returning Wed, Oct 7, priced at $291 just found

Frequently asked questions

What month is the cheapest to fly to Island Park?
The cheapest month to fly to Island Park is May when there's less demand. Off-peak months are often when you'll find cheap fares. To save money, avoid flying during school breaks and major holidays.
Which US cities have the cheapest flights to Island Park?
Denver, Salt Lake City and Seattle typically have cheap flights to Island Park. Keep in mind that fares may vary based on factors such as holiday periods, number of stopovers and demand.
Which US cities fly direct to Island Park?
Take your pick of 13 US cities with direct flights to Island Park. When booking on Expedia, check the "Direct flights only" filter to compare nonstop itineraries. Fly to Island Park from any of these leading cities:

  • Denver
  • Salt Lake City
  • Seattle
  • Las Vegas
  • Chicago

How to find a cheap flight to Island Park?
Book well in advance or look for a cheap flight to Island Park during the off-season, such as January and March. Jetting off on a Thursday could also save you an average of 16% compared to a Sunday departure.* The Expedia app makes it even easier to know the right time to book. Just activate the toggle for "Watch prices" and you'll receive an alert when fares change.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Island Park?
Being flexible with your plans can help you to secure last-minute deals on cheap flights to Island Park. To view all the available options, consider looking at different ticket types, changing your Island Park trip dates, jetting out of an alternative airport or using another carrier.
How far in advance should I book a flight to Island Park?
Secure your flight to Island Park two to four months ahead if you're taking off from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Lower fares and a greater choice of travel dates, schedules and seating options are just some of the perks of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Island Park?
Sundays are generally the best day to book a cheap flight to Island Park, with savings of around 8% on average compared to Fridays. If you decide to buy tickets on a Friday, expect to pay more as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Island Park?
You can choose from a selection of airlines that operate services to Island Park. Some of the most popular are:

  • United Airlines - 121 flights to Island Park each month, including 121 flights to Idaho Falls Regional Airport (IDA) per month.
  • Delta Air Lines - 95 flights to Island Park each month, including 86 flights to Idaho Falls Regional Airport (IDA) per month.
  • American Airlines - 69 flights to Island Park each month, including 69 flights to Idaho Falls Regional Airport (IDA) per month.

Where do you fly into Island Park?
If you're flying to Island Park, the main airport to land at is Yellowstone Airport (WYS).
How far is the airport from central Island Park?
You'll be about 25 mi northeast of the center of Island Park after jetting into Yellowstone Airport (WYS).
Can I save money by booking an Island Park trip package?
Book an Island Park flight and hotel package deal on Expedia, and you could make significant savings. It's a breeze to bundle your accommodations and flights, and you can also add car rentals and activities to create your own personalized Island Park vacation. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Island Park?
You can usually cancel or change your flight to Island Park within 24 hours of booking. However, keep in mind that some fares are non-refundable. In those cases, you may receive a credit toward future flights rather than a direct refund. Remember to check the airline's terms and conditions in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to Island Park with flexible change policies. For additional information, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Idaho Falls Regional
Destination airport IATA code
IDA
Destination city name
Idaho Falls
Roundtrip price
$176

Trending flights to Island Park

Prices were available within the past 7 days and start at $99 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 16 - Sun, May 17
PDX
Portland
IDA
Idaho Falls
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Sat, May 16 from Portland to Idaho Falls, returning Sun, May 17, priced at $177 just found

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