How long is the flight from Helena to Delaware?

For as low as $452, Alaska Airlines can have you in Delaware from Helena in 8h 36m. The distance from Helena to Delaware is about 1887 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from HLN to DE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Helena to Delaware as you normally would.

What airport do you fly from for flights from Helena to Delaware?

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

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

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

How can I find direct flights from Helena to Delaware?

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

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

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

$259+ Flights from Helena to Delaware

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Helena to Delaware with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Helena to Delaware

Cheapest flights from Helena to Delaware
Explore the most affordable flight options available from Helena to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

Mon 11/36:13 pmHLN - PHL

1 stop9h 29mAlaska Airlines

Fri 11/77:12 pmPHL - HLN

1 stop24h 24mAlaska Airlines

Deal found 10/19

$736

Mon 11/32:22 pmHLN - PHL

1 stop27h 05mUnited Airlines

Fri 11/75:58 pmPHL - HLN

2 stops29h 24mUnited Airlines

Deal found 10/19

$738

Best flights from Helena to Delaware
Discover carefully curated flight deals from Helena to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2025.

Thu 1/225:59 pmHLN - PHL

1 stop22h 07mAlaska Airlines

Tue 1/277:06 pmPHL - HLN

1 stop24h 16mAlaska Airlines

Deal found 10/19

$392

Thu 1/2212:50 pmHLN - PHL

1 stop8h 36mDelta

Tue 1/2710:21 amPHL - HLN

2 stops14h 17mDelta

Deal found 10/19

$452

Fri 3/64:10 pmHLN - PHL

1 stop23h 21mAlaska Airlines

Tue 3/106:35 pmPHL - HLN

1 stop23h 08mAlaska Airlines

Deal found 10/17

$504

Fri 3/612:50 pmHLN - PHL

1 stop8h 36mDelta

Tue 3/1010:21 amPHL - HLN

2 stops14h 17mDelta

Deal found 10/17

$518

Mon 11/36:13 pmHLN - PHL

1 stop9h 29mAlaska Airlines

Fri 11/77:12 pmPHL - HLN

1 stop24h 24mAlaska Airlines

Deal found 10/19

$736

Last-minute flights from Helena to Delaware
Discover last-minute flight deals from Helena to Delaware. Data last updated October 20, 2025 and is based on user searches.

Mon 11/36:13 pmHLN - PHL

1 stop9h 29mAlaska Airlines

Fri 11/77:12 pmPHL - HLN

1 stop24h 24mAlaska Airlines

Deal found 10/19

$736

Mon 11/32:22 pmHLN - PHL

1 stop27h 05mUnited Airlines

Fri 11/75:58 pmPHL - HLN

2 stops29h 24mUnited Airlines

Deal found 10/19

$738

One-way flights from Helena to Delaware
Search for one-way flight options from Helena to Delaware. Find affordable one-way fares based on user searches. Data last updated October 20, 2025.

Sun 1/46:32 pmHLN - PHL

1 stop9h 05mAlaska Airlines

Deal found 10/20

$259

Fri 1/26:32 pmHLN - PHL

1 stop9h 05mAlaska Airlines

Deal found 10/20

$413

Sat 1/32:26 pmHLN - PHL

1 stop13h 06mUnited Airlines

Deal found 10/20

$473

Sun 1/42:26 pmHLN - PHL

2 stops17h 29mUnited Airlines

Deal found 10/20

$479

Fri 1/26:10 amHLN - PHL

2 stops25h 45mUnited Airlines

Deal found 10/20

$554

Sun 1/46:32 pmHLN - PHL

3 stops42h 48mMultiple Airlines

Deal found 10/20

$583

Fri 1/26:32 pmHLN - PHL

3 stops52h 21mMultiple Airlines

Deal found 10/20

$730

Sat 1/36:32 pmHLN - PHL

3 stops42h 58mMultiple Airlines

Deal found 10/20

$862

Cheap flight deals from Helena to Delaware

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$392 (Alaska Airlines)
One-way from	$259 (Alaska Airlines)
Popular in	October
Cheapest in	July
Average price	$946

Provider with most accurate pricing for Helena-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Helena-Philadelphia flights.

Search Deals

From Helena to Delaware

Search Deals

One-way flight from Helena to Delaware

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Thu 1/22

5:59 pm-6:06 pm

1 stop22h 07m

Philadelphia

Tue 1/27

7:06 pm-5:22 pm

1 stop24h 16m

$392

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Thu 1/22

12:50 pm-11:26 pm

1 stop8h 36m

Philadelphia

Tue 1/27

10:21 am-10:38 pm

2 stops14h 17m

$452

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 3/6

4:10 pm-5:31 pm

1 stop23h 21m

Philadelphia

Tue 3/10

6:35 pm-3:43 pm

1 stop23h 08m

$504

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 3/6

12:50 pm-11:26 pm

1 stop8h 36m

Philadelphia

Tue 3/10

10:21 am-10:38 pm

2 stops14h 17m

$518

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Mon 11/3

6:13 pm-5:42 am

1 stop9h 29m

Philadelphia

Fri 11/7

7:12 pm-5:36 pm

1 stop24h 24m

$736

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Sun 1/4

6:32 pm-5:37 am

1 stop9h 05m

$259

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 1/2

6:32 pm-5:37 am

1 stop9h 05m

$413

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Sat 1/3

2:26 pm-5:32 am

1 stop13h 06m

$473

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Sun 1/4

2:26 pm-9:55 am

2 stops17h 29m

$479

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 1/2

6:10 am-9:55 am

2 stops25h 45m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Best time to book a flight from Helena to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Helena 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 Helena to Delaware

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Helena to Delaware?
Located just 2.7 mi from the city center, Helena (HLN) is the airport most travelers will use when flying to Delaware from Helena.
How long is the flight from Helena to Delaware?
For as low as $452, Alaska Airlines can have you in Delaware from Helena in 8h 36m. The distance from Helena to Delaware is about 1887 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Helena to Delaware that include hotel bookings?
Yes. In addition to deals on Helena to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Delaware.
Can I find deals for business class flights from Helena to Delaware?
Yes. Cheapflights offers flight deals from Helena to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Helena to Delaware

Bozeman to Seattle flights

Bozeman to Minneapolis flights

Bozeman to San Francisco flights

Bozeman to Los Angeles flights

Kalispell to Dallas/Fort Worth flights

Bozeman to Dallas/Fort Worth flights

Bozeman to Las Vegas flights

Missoula to Portland flights

Bozeman to San Diego flights

Bozeman to O'Hare Intl flights

Bozeman to Denver flights

Great Falls to Las Vegas flights

Billings to Las Vegas flights

Bozeman to Salt Lake City flights

Bozeman to Newark flights

Missoula to Sky Harbor Intl flights

Bozeman to Sky Harbor Intl flights

Kalispell to Denver flights

Billings to Denver flights

Missoula to Denver flights

Bozeman to Boston flights

Bozeman to Orlando flights

Missoula to Dulles Intl flights

Great Falls to Seattle flights

Bozeman to Kahului flights

Missoula to Baltimore flights

Bozeman to Honolulu flights

Billings to Sky Harbor Intl flights

Bozeman to Atlanta flights

Missoula to Seattle flights

Bozeman to Nashville flights

Billings to Seattle flights

Billings to Tampa flights

Missoula to Las Vegas flights

Missoula to Honolulu flights

Missoula to Dallas/Fort Worth flights

Missoula to Kailua-Kona flights

Missoula to O'Hare Intl flights

Missoula to Ontario flights

Bozeman to Tampa flights

Missoula to Los Angeles flights

Great Falls to Denver flights

Bozeman to John F Kennedy Intl flights

Billings to Los Angeles flights

Kalispell to Sky Harbor Intl flights

Missoula to San Francisco flights

Missoula to Nashville flights

Bozeman to Miami flights

Missoula to Boston flights

Bozeman to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$259+ Cheap flights from Helena (HLN) to Delaware

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Delaware with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Helena to Delaware

Cheapest flights from Helena to DelawareExplore the most affordable flight options available from Helena to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

Explore the most affordable flight options available from Helena to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

Cheap flight deals from Helena to Delaware

Keep the following information in mind while searching for Helena to Delaware flight deals. Data was last updated October 20, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helena to Delaware that are best for you.

Best time to book a flight from Helena to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Helena with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Helena to Delaware. 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 from for flights from Helena to Delaware?

How long is the flight from Helena to Delaware?

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

How can I find direct flights from Helena to Delaware?

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

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.

Alternative routes for Helena to Delaware

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Helena to Delaware
Explore the most affordable flight options available from Helena to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.