Cheap flights from Philadelphia to Idaho Falls (PHL - IDA) from $157

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — IDA
Mar 23 — Mar 301

Cheap flight deals from Philadelphia to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$397

One-way from

$277
High demand for flights, 47% potential price rise
Best time to find cheap flights, 31% potential price drop
From Philadelphia to Idaho Falls Fanning Field
One-way flight from Philadelphia to Idaho Falls Fanning Field

What is the cheapest day to fly round-trip from Philadelphia to Idaho Falls?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 40% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Philadelphia to Idaho Falls?

January can be a great time to fly to Idaho Falls from Philadelphia with a flight ticket averaging about $660. Cheapflights users have found deals in the month of January for as cheap as $455. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Philadelphia to Idaho Falls (PHL - IDA)?

Unlike in the morning, when flights are generally more expensive, you can save up to 3% on flights from Philadelphia to Idaho Falls by exploring options for tickets in the afternoon.

Cheap Alaska Airlines flights from Philadelphia to Idaho Falls

Explore cheap flight options specifically provided by Alaska Airlines for the route between Philadelphia and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Philadelphia to Idaho Falls. Make sure to double check the flight details before booking.
Tue 4/167:00 amPHL - IDA
1 stop9h 51mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$433
Sat 4/206:57 pmPHL - IDA
1 stop21h 54mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$465
Mon 9/96:59 pmPHL - IDA
1 stop22h 31mAlaska Airlines
Thu 9/126:00 amIDA - PHL
1 stop21h 45mAlaska Airlines
Deal found 3/16$587
Sat 5/257:03 pmPHL - IDA
1 stop30h 54mAlaska Airlines
Wed 5/293:32 pmIDA - PHL
1 stop12h 24mAlaska Airlines
Deal found 3/18$652

Cheap Delta flights from Philadelphia to Idaho Falls

Explore cheap flight options specifically provided by Delta for the route between Philadelphia and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on Delta flights from Philadelphia to Idaho Falls. Deals are refreshing constantly so come back soon for more options.
Tue 4/167:05 amPHL - IDA
1 stop7h 45mDelta
Tue 4/237:00 pmIDA - PHL
2 stops12h 19mDelta
Deal found 3/17$473
Sat 5/256:00 amPHL - IDA
2 stops8h 48mDelta
Wed 5/297:00 pmIDA - PHL
2 stops12h 20mDelta
Deal found 3/18$678
Thu 8/227:00 amPHL - IDA
1 stop7h 18mDelta
Sun 8/257:00 pmIDA - PHL
1 stop8h 42mDelta
Deal found 3/17$735
Thu 8/227:00 amPHL - IDA
1 stop7h 18mDelta
Sun 8/257:00 pmIDA - PHL
2 stops11h 36mDelta
Deal found 3/17$745
Thu 8/2210:21 amPHL - IDA
2 stops13h 40mDelta
Sun 8/257:00 pmIDA - PHL
2 stops11h 36mDelta
Deal found 3/17$848

Cheap Philadelphia to Idaho Falls flights in March & April 2024

Find cheap flight options from Philadelphia to Idaho Falls specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to Idaho Falls in 2024. Check back in a little while for more flight options.
Tue 4/167:00 amPHL - IDA
1 stop9h 51mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$433
Sat 4/206:57 pmPHL - IDA
1 stop21h 54mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$465
Tue 4/167:05 amPHL - IDA
1 stop7h 45mDelta
Tue 4/237:00 pmIDA - PHL
2 stops12h 19mDelta
Deal found 3/17$473
Tue 4/164:15 pmPHL - IDA
2 stops23h 21mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops20h 46mUnited Airlines
Deal found 3/17$526
Sat 4/207:05 amPHL - IDA
1 stop8h 31mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops18h 10mUnited Airlines
Deal found 3/16$527
Sat 4/205:19 pmPHL - IDA
2 stops25h 56mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops18h 10mUnited Airlines
Deal found 3/17$595
Sat 4/206:15 amPHL - IDA
2 stops13h 02mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops20h 46mUnited Airlines
Deal found 3/16$639
Wed 3/2712:54 pmPHL - IDA
1 stop10h 33mAmerican Airlines
Fri 3/2912:12 pmIDA - PHL
2 stops10h 23mAmerican Airlines
Deal found 3/17$741
Wed 3/2710:31 amPHL - IDA
2 stops12h 56mAmerican Airlines
Fri 3/2912:12 pmIDA - PHL
2 stops10h 23mAmerican Airlines
Deal found 3/17$745

Philadelphia to Idaho Falls 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Idaho Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to Idaho Falls in 2024. Check back in a little while for more flight options.
Tue 4/167:00 amPHL - IDA
1 stop9h 51mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$433
Sat 4/206:57 pmPHL - IDA
1 stop21h 54mAlaska Airlines
Tue 4/236:00 amIDA - PHL
1 stop9h 52mAlaska Airlines
Deal found 3/17$465
Tue 4/167:05 amPHL - IDA
1 stop7h 45mDelta
Tue 4/237:00 pmIDA - PHL
2 stops12h 19mDelta
Deal found 3/17$473
Sat 5/251:50 pmPHL - IDA
1 stop9h 44mAmerican Airlines
Wed 5/2912:05 pmIDA - PHL
1 stop8h 53mAmerican Airlines
Deal found 3/18$523
Tue 4/164:15 pmPHL - IDA
2 stops23h 21mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops20h 46mUnited Airlines
Deal found 3/17$526
Sat 4/207:05 amPHL - IDA
1 stop8h 31mUnited Airlines
Tue 4/235:53 pmIDA - PHL
2 stops18h 10mUnited Airlines
Deal found 3/16$527
Sat 5/185:00 amPHL - IDA
1 stop9h 44mAmerican Airlines
Sun 5/2612:05 pmIDA - PHL
1 stop8h 53mAmerican Airlines
Deal found 3/17$541
Sat 5/1810:35 amPHL - IDA
2 stops12h 59mAmerican Airlines
Sun 5/2612:05 pmIDA - PHL
1 stop8h 53mAmerican Airlines
Deal found 3/17$549
Sat 5/1810:35 amPHL - IDA
2 stops12h 59mAmerican Airlines
Sun 5/267:00 amIDA - PHL
2 stops10h 41mAmerican Airlines
Deal found 3/17$554

Philadelphia to Idaho Falls flights leaving soon

Find last-minute flight options from Philadelphia to Idaho Falls for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Have a look at some of the last-minute flights available departing from Philadelphia to Idaho Falls. Tip: verify your flight details before completing your reservation.
Wed 3/2712:54 pmPHL - IDA
1 stop10h 33mAmerican Airlines
Fri 3/2912:12 pmIDA - PHL
2 stops10h 23mAmerican Airlines
Deal found 3/17$741
Wed 3/2710:31 amPHL - IDA
2 stops12h 56mAmerican Airlines
Fri 3/2912:12 pmIDA - PHL
2 stops10h 23mAmerican Airlines
Deal found 3/17$745
Wed 3/277:32 amPHL - IDA
1 stop8h 17mUnited Airlines
Fri 3/292:30 pmIDA - PHL
1 stop7h 13mUnited Airlines
Deal found 3/17$797
Sat 3/2310:30 amPHL - IDA
2 stops12h 57mAmerican Airlines
Tue 3/266:49 amIDA - PHL
1 stop8h 50mAmerican Airlines
Deal found 3/17$868
Sat 3/2310:30 amPHL - IDA
2 stops12h 57mAmerican Airlines
Tue 3/266:49 amIDA - PHL
2 stops13h 00mAmerican Airlines
Deal found 3/17$872
Mon 3/256:26 pmPHL - IDA
3 stops21h 23mUnited Airlines
Thu 3/286:55 amIDA - PHL
1 stop6h 42mUnited Airlines
Deal found 3/18$905
Sat 3/2312:54 pmPHL - IDA
1 stop10h 33mAmerican Airlines
Tue 3/2612:12 pmIDA - PHL
1 stop9h 41mAmerican Airlines
Deal found 3/17$957
Sat 3/236:26 pmPHL - IDA
3 stops21h 23mUnited Airlines
Tue 3/262:30 pmIDA - PHL
2 stops24h 11mUnited Airlines
Deal found 3/17$983
Mon 3/2512:02 pmPHL - IDA
2 stops11h 25mAmerican Airlines
Thu 3/2812:12 pmIDA - PHL
1 stop9h 41mAmerican Airlines
Deal found 3/18$1,000

One-way flights to Idaho Falls from Philadelphia

Search for one-way flight options from Philadelphia to Idaho Falls. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users in need of a one-way flight from Philadelphia to Idaho Falls can choose from these deals. Users in need of a round-trip flight from Philadelphia to Idaho Falls instead should update the search form at the top of page.
Wed 5/111:12 amPHL - IDA
2 stops31h 01mMultiple Airlines
Deal found 3/17$157
Tue 4/309:21 amPHL - IDA
2 stops37h 06mMultiple Airlines
Deal found 3/17$170
Tue 4/302:20 pmPHL - IDA
3 stops32h 07mMultiple Airlines
Deal found 3/17$185
Wed 5/11:49 pmPHL - IDA
3 stops28h 24mMultiple Airlines
Deal found 3/17$186
Wed 5/291:12 pmPHL - IDA
2 stops28h 10mMultiple Airlines
Deal found 3/18$189
Tue 5/288:34 pmPHL - IDA
2 stops24h 06mMultiple Airlines
Deal found 3/18$199
Thu 5/211:40 amPHL - IDA
2 stops25h 43mMultiple Airlines
Deal found 3/17$207
Tue 4/307:00 amPHL - IDA
1 stop9h 51mAlaska Airlines
Deal found 3/17$219
Wed 5/296:15 amPHL - IDA
3 stops35h 07mMultiple Airlines
Deal found 3/18$220

Find flights from Philadelphia to Idaho Falls within your budget

Customize your flight search to find flights from Philadelphia to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$433 - $587

Route

Depart

Return

Price

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Tue 4/16

1 stop9h 51m

Idaho Falls Fanning Field

Tue 4/23

1 stop9h 52m

$433

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Sat 4/20

1 stop21h 54m

Idaho Falls Fanning Field

Tue 4/23

1 stop9h 52m

$465

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Tue 4/16

1 stop7h 45m

Idaho Falls Fanning Field

Tue 4/23

2 stops12h 19m

$473

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Sat 5/25

1 stop9h 44m

Idaho Falls Fanning Field

Wed 5/29

1 stop8h 53m

$523

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Tue 4/16

2 stops23h 21m

Idaho Falls Fanning Field

Tue 4/23

2 stops20h 46m

$526

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Sat 4/20

1 stop8h 31m

Idaho Falls Fanning Field

Tue 4/23

2 stops18h 10m

$527

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Sat 5/18

1 stop9h 44m

Idaho Falls Fanning Field

Sun 5/26

1 stop8h 53m

$541

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Sat 5/18

2 stops12h 59m

Idaho Falls Fanning Field

Sun 5/26

1 stop8h 53m

$549

PhiladelphiaIdaho Falls Fanning Field

PHL - IDA

PHLIDA

Philadelphia

Mon 9/9

1 stop22h 31m

Idaho Falls Fanning Field

Thu 9/12

1 stop21h 45m

$587

Flights are sorted by cheapest first

Deals found on 3/17

When is the cheapest time to fly from Philadelphia to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Idaho Falls. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Idaho Falls flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Idaho Falls by month

Plan your trip from Philadelphia to Idaho Falls by taking into account the cheapest months to travel. The average price of a one-way flight from Philadelphia to Idaho Falls is currently $192 while a round-trip flight costs $514. Price data was last updated on March 10, 2024.

Currently, December is the cheapest month in which you can book a flight from Philadelphia to Idaho Falls (average of $397). Flying from Philadelphia to Idaho Falls in July is currently the most expensive (average of $623). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$469

February

$449

March

$535

April

$470

May

$542

June

$620

July

$623

August

$557

September

$522

October

$487

November

$456

December

$397

Temperature and rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature and rainfall totals by month.

IDA

Temperature

23 - 69.8 °F

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Philadelphia to Idaho Falls, such as Alaska Airlines, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,312 reviews
8.1
Very good
9,147 reviews

Entertainment

7.4

Boarding

8.3

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Philadelphia to Idaho Falls for under $500 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Idaho Falls for under $500. The cheapest flight booked recently is on Alaska Airlines for just $433, but on average you can expect to pay $596.

  • Are there last-minute flights available from Philadelphia to Idaho Falls for under $800?

    There are currently 10+ open flights from Philadelphia to Idaho Falls within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Philadelphia to Idaho Falls round-trip?

    Cheapflights users have booked flights from Philadelphia to Idaho Falls round-trip from $433. Other airlines that can offer you cheap pricing are Delta, from $473, and American Airlines, from $523. You may be able to fly from Philadelphia to Idaho Falls for 34% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Philadelphia to Idaho Falls one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $219. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Philadelphia to Idaho Falls for a low price.

  • What are the most popular airlines that fly from Philadelphia to Idaho Falls?

  • What does PHL to IDA mean?

    PHL stands for Philadelphia Airport, while IDA stands for Idaho Falls Fanning Field Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Philadelphia to Idaho Falls

Discover the top 3 airlines that operate flights from Philadelphia to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$446Average$649FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$446Average$744FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$522Average$725FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Philadelphia to Idaho Falls by cabin class

Find flights from Philadelphia to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Idaho Falls?

Deals for Philadelphia to Idaho Falls flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Idaho Falls?

Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Idaho Falls for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Philadelphia to Idaho Falls with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to Idaho Falls, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Philadelphia to Idaho Falls become cheaper?

Yes, Cheapflights offers price alerts on Philadelphia to Idaho Falls flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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