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Helena

$237+ Cheap flights from Pennsylvania to Helena (HLN)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HLN
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Pennsylvania to Helena

Cheapest flights from Pennsylvania to Helena
Explore the most affordable flight options available from Pennsylvania to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:54 pmABE - HLN
2 stops11h 36mDelta
Tue 12/95:30 amHLN - ABE
2 stops33h 08mDelta
Deal found 11/1$466
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:59 pmEWR - HLN
1 stop23h 52mAlaska Airlines
Tue 12/96:28 pmHLN - EWR
1 stop20h 32mAlaska Airlines
Deal found 11/2$482
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Thu 12/256:10 amHLN - DCA
1 stop6h 49mUnited Airlines
Deal found 10/31$548
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:21 amLGA - HLN
1 stop8h 06mUnited Airlines
Wed 11/196:40 amHLN - LGA
2 stops8h 27mUnited Airlines
Deal found 10/31$574
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:45 amJFK - HLN
1 stop7h 41mDelta
Wed 11/191:06 pmHLN - JFK
2 stops10h 02mDelta
Deal found 10/31$574
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:10 pmDCA - HLN
1 stop21h 16mDelta
Sun 11/235:30 amHLN - DCA
1 stop8h 30mDelta
Deal found 11/2$603
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:10 amIAD - HLN
1 stop17h 20mDelta
Sat 11/221:06 pmHLN - IAD
1 stop8h 52mDelta
Deal found 11/1$603
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:00 amIAD - HLN
2 stops15h 30mDelta
Sun 11/231:06 pmHLN - IAD
1 stop8h 52mDelta
Deal found 11/1$608
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:59 amDCA - HLN
2 stops15h 31mDelta
Sun 11/235:30 amHLN - DCA
2 stops12h 11mDelta
Deal found 11/1$613
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:33 amIAD - HLN
1 stop12h 22mAlaska Airlines
Wed 12/316:32 pmHLN - IAD
1 stop21h 11mAlaska Airlines
Deal found 11/2$623
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:10 pmDCA - HLN
1 stop21h 16mDelta
Sat 11/221:06 pmHLN - DCA
2 stops20h 33mDelta
Deal found 11/2$657
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:33 amIAD - HLN
1 stop12h 22mAlaska Airlines
Tue 12/306:32 pmHLN - IAD
1 stop9h 41mAlaska Airlines
Deal found 11/2$659

Cheap flight deals from Pennsylvania to Helena

Keep the following information in mind while searching for Pennsylvania to Helena flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$382
(Alaska Airlines)

One-way from

$285
(United Airlines)

Popular in

December

Cheapest in

April
Provider with most accurate pricing for Philadelphia-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Helena flights.
Search Deals
From Pennsylvania to Helena
Search Deals
One-way flight from Pennsylvania to Helena
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Helena 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 2,558,603 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Pennsylvania to Helena that are best for you.

Fly from

Pennsylvania

Fly to

Helena

Route

Depart

Return

Price

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Thu 2/12

7:00 am-3:43 pm

1 stop10h 43m

Helena

Wed 2/18

4:10 pm-5:55 am

1 stop11h 45m

$403

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 2/11

6:04 pm-3:43 pm

1 stop23h 39m

Helena

Wed 2/18

4:10 pm-5:55 am

1 stop11h 45m

$403

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 2/11

6:04 pm-3:43 pm

1 stop23h 39m

Helena

Tue 2/17

4:10 pm-5:55 pm

1 stop23h 45m

$403

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 2/13

6:55 pm-3:43 pm

1 stop22h 48m

Helena

Wed 2/18

4:10 pm-5:55 am

1 stop11h 45m

$407

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 2/13

6:55 pm-3:43 pm

1 stop22h 48m

Helena

Tue 2/17

4:10 pm-5:55 pm

1 stop23h 45m

$407

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 2/11

8:00 am-5:22 pm

1 stop11h 22m

Helena

Mon 2/16

4:10 pm-9:55 pm

1 stop27h 45m

$422

PhiladelphiaHelena

PHL - HLN

PHLHLN

Philadelphia

Sat 2/21

6:35 pm-3:43 pm

1 stop23h 08m

Helena

Sat 2/28

4:10 pm-5:31 pm

1 stop23h 21m

$433

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 3/6

6:55 pm-3:43 pm

1 stop22h 48m

Helena

Tue 3/10

4:10 pm-5:55 pm

1 stop23h 45m

$447

AllentownHelena

ABE - HLN

ABEHLN

Allentown-Bethlehem

Sat 12/6

12:54 pm-10:30 pm

2 stops11h 36m

Helena

Tue 12/9

5:30 am-4:38 pm

2 stops33h 08m

$466

New YorkHelena

JFK - HLN

JFKHLN

New York John F Kennedy Intl

Fri 12/5

12:59 pm-10:30 pm

2 stops11h 31m

Helena

Sun 12/7

1:06 pm-12:09 am

1 stop9h 03m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 44 results
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Best time to book a flight from Pennsylvania to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Helena

What is the cheapest month to book a flight from Pennsylvania to Helena?

Currently, June is the cheapest month in which you can book a flight from Pennsylvania to Helena (average of $133). Flying from Pennsylvania to Helena in October is currently the most expensive (average of $260). 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.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Pennsylvania?

    Located just 2.7 mi from the city center, Helena (HLN) is the airport most travelers will use when flying to Helena from Pennsylvania.

  • How long is the flight from Pennsylvania to Helena?

    Alaska Airlines, Delta, and United Airlines can get you from Pennsylvania to Helena in just under 8h 06m. Your travel time can differ by up to 3h 30m. Airlines will cover a distance of 1925 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Pennsylvania to Helena one-way?

    $237 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $285 and $290, respectively.

  • What are the most popular routes from Pennsylvania to Helena?

    When deciding which route to take from Pennsylvania to Helena consider Washington, D.C. Dulles Intl - Helena, Washington, D.C. Reagan-National - Helena or New York John F Kennedy Intl - Helena as they are the most popular.

  • Can I find deals for flights from Pennsylvania to Helena that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Helena.

  • Can I find deals for business class flights from Pennsylvania to Helena?

    Yes. Cheapflights offers flight deals from Pennsylvania to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to Helena?

    Currently, June is the cheapest month in which you can book a flight from Pennsylvania to Helena (average of $133). Flying from Pennsylvania to Helena in October is currently the most expensive (average of $260). 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.

See more FAQs

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Alternative routes for Pennsylvania to Helena

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pennsylvania to Helena

Discover the top airline that operate flights from Pennsylvania to Helena. 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 2,558,603 searches. Data last updated November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$511Average$717FlexibilityNo cancel feeOn-time69%

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