Cheap flights from Dulles Intl (IAD) to Helena (HLN) from $229

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 8/28. 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.
IAD — HLN
May 4 — May 111

Cheap flight deals from Dulles Intl to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Helena (HLN). 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 April 29, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$332

One-way from

$258
High demand for flights, 57% potential price rise
Best time to find cheap flights, 40% potential price drop
From Washington, D.C. Dulles Intl to Helena
One-way flight from Washington, D.C. Dulles Intl to Helena

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Helena?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Helena?

September is one of the best times of the year to fly to Helena from Washington, D.C. Dulles Intl Airport. Prices for September average $830 per person but you can even find prices for as low as $467. The most expensive prices can be found in the month of March. Opting for a September flight can save you 71% on your journey compared to booking in March

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Helena (IAD - HLN)?

When flying from Washington, D.C. Dulles Intl Airport to Helena, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 31% versus a flight in the morning.

Cheap Delta flights from Dulles Intl to Helena

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and Helena. 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 2,948,547 searches. Data last updated April 29, 2024.
Check out some of the cheapest Delta flights we've come across from Washington, D.C. to Helena. Make sure to double check the flight details before booking.
Tue 8/67:30 amIAD - HLN
1 stop7h 00mDelta
Wed 8/141:10 pmHLN - IAD
1 stop8h 40mDelta
Deal found 4/29$448
Tue 9/177:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
2 stops14h 52mDelta
Deal found 4/28$476
Tue 9/177:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
1 stop8h 38mDelta
Deal found 4/28$478
Tue 9/177:30 amIAD - HLN
1 stop7h 06mDelta
Tue 9/241:04 pmHLN - IAD
2 stops14h 52mDelta
Deal found 4/28$496
Wed 9/187:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
2 stops14h 52mDelta
Deal found 4/28$516
Wed 9/187:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
1 stop8h 38mDelta
Deal found 4/28$518
Tue 9/171:15 pmIAD - HLN
2 stops11h 20mDelta
Tue 10/11:04 pmHLN - IAD
2 stops14h 52mDelta
Deal found 4/28$521
Tue 9/171:15 pmIAD - HLN
2 stops11h 20mDelta
Thu 9/261:04 pmHLN - IAD
1 stop8h 38mDelta
Deal found 4/28$523
Wed 6/57:15 amIAD - HLN
1 stop7h 28mDelta
Fri 6/141:19 pmHLN - IAD
1 stop8h 40mDelta
Deal found 4/28$528

Cheap United Airlines flights from Dulles Intl to Helena

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and Helena. 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 2,948,547 searches. Data last updated April 29, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Washington, D.C. and landing in Helena. Make sure to examine the flight information before completing your reservation.
Sat 8/174:10 pmIAD - HLN
1 stop7h 08mUnited Airlines
Sat 8/312:26 pmHLN - IAD
1 stop6h 33mUnited Airlines
Deal found 4/28$438
Tue 9/178:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Sat 9/282:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$460
Tue 9/248:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Tue 10/12:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$470
Sat 9/214:10 pmIAD - HLN
1 stop7h 10mUnited Airlines
Sat 9/282:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$475
Tue 9/178:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Mon 9/302:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$487
Tue 8/206:20 amIAD - HLN
2 stops17h 00mUnited Airlines
Tue 8/276:45 amHLN - IAD
2 stops13h 24mUnited Airlines
Deal found 4/28$514
Sat 8/171:05 pmIAD - HLN
2 stops10h 13mUnited Airlines
Tue 8/276:45 amHLN - IAD
2 stops13h 24mUnited Airlines
Deal found 4/28$526
Sat 8/171:05 pmIAD - HLN
2 stops10h 13mUnited Airlines
Sat 8/312:26 pmHLN - IAD
1 stop6h 33mUnited Airlines
Deal found 4/28$533
Sat 9/218:45 amIAD - HLN
2 stops14h 35mUnited Airlines
Sat 9/282:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$536

Cheap Dulles Intl to Helena flights in April & May 2024

Find cheap flight options from Dulles Intl to Helena specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
Check out some of the best flight deals from Washington, D.C. to Helena in 2024. Check back regularly for other flight deals.
Thu 5/98:15 amIAD - HLN
1 stop7h 11mUnited Airlines
Wed 6/52:15 pmHLN - IAD
1 stop13h 10mUnited Airlines
Deal found 4/29$741
Thu 5/910:25 pmIAD - HLN
2 stops24h 46mUnited Airlines
Wed 6/52:15 pmHLN - IAD
1 stop13h 10mUnited Airlines
Deal found 4/29$746
Thu 5/910:25 pmIAD - HLN
2 stops24h 46mUnited Airlines
Wed 6/52:15 pmHLN - IAD
2 stops8h 32mUnited Airlines
Deal found 4/29$812
Sun 5/127:40 amIAD - HLN
1 stop8h 36mAlaska Airlines
Sun 5/193:01 pmHLN - IAD
2 stops24h 53mAlaska Airlines
Deal found 4/29$1,076
Sun 5/127:40 amIAD - HLN
1 stop8h 36mAlaska Airlines
Sun 5/197:00 amHLN - IAD
1 stop8h 08mAlaska Airlines
Deal found 4/29$1,088

Dulles Intl to Helena 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Helena in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Check out some of the best flight deals from Washington, D.C. to Helena in 2024. Check back regularly for other flight deals.
Sat 8/174:10 pmIAD - HLN
1 stop7h 08mUnited Airlines
Sat 8/312:26 pmHLN - IAD
1 stop6h 33mUnited Airlines
Deal found 4/28$438
Tue 8/67:30 amIAD - HLN
1 stop7h 00mDelta
Wed 8/141:10 pmHLN - IAD
1 stop8h 40mDelta
Deal found 4/29$448
Tue 9/178:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Sat 9/282:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$460
Tue 9/248:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Tue 10/12:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$470
Tue 9/174:13 pmIAD - HLN
1 stop9h 41mAlaska Airlines
Wed 9/253:44 pmHLN - IAD
1 stop30h 15mAlaska Airlines
Deal found 4/28$471
Sat 9/214:10 pmIAD - HLN
1 stop7h 10mUnited Airlines
Sat 9/282:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$475
Tue 9/247:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
2 stops14h 52mDelta
Deal found 4/29$476
Tue 9/177:30 amIAD - HLN
1 stop7h 06mDelta
Wed 10/21:04 pmHLN - IAD
1 stop8h 38mDelta
Deal found 4/28$478
Tue 9/178:24 amIAD - HLN
1 stop7h 16mUnited Airlines
Mon 9/302:04 pmHLN - IAD
1 stop6h 55mUnited Airlines
Deal found 4/28$487

One-way flights to Helena from Dulles Intl

Search for one-way flight options from Dulles Intl to Helena. 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 2,948,547 searches. Data last updated April 29, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to Helena. Users needing a return flight from Washington, D.C. to Helena should utilize the search form above.
Wed 8/287:30 amIAD - HLN
1 stop7h 00mDelta
Deal found 4/28$229
Wed 8/287:09 pmIAD - HLN
1 stop21h 52mAlaska Airlines
Deal found 4/29$258
Wed 8/2811:00 amIAD - HLN
2 stops13h 30mDelta
Deal found 4/29$344
Wed 8/2810:20 pmIAD - HLN
3 stops25h 00mUnited Airlines
Deal found 4/28$487
Wed 8/2810:20 pmIAD - HLN
3 stops25h 00mUnited Airlines
Deal found 4/29$527

Find flights from Dulles Intl to Helena within your budget

Customize your flight search to find flights from Dulles Intl 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 2,948,547 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$438 - $510

Route

Depart

Return

Price

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Sat 8/17

1 stop7h 08m

Helena

Sat 8/31

1 stop6h 33m

$438

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 8/6

1 stop7h 00m

Helena

Wed 8/14

1 stop8h 40m

$448

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 9/17

1 stop7h 16m

Helena

Sat 9/28

1 stop6h 55m

$460

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 9/24

1 stop7h 16m

Helena

Tue 10/1

1 stop6h 55m

$470

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 9/17

1 stop9h 41m

Helena

Wed 9/25

1 stop30h 15m

$471

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Sat 9/21

1 stop7h 10m

Helena

Sat 9/28

1 stop6h 55m

$475

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 9/17

1 stop7h 06m

Helena

Wed 10/2

2 stops14h 52m

$476

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 9/17

1 stop7h 06m

Helena

Wed 10/2

1 stop8h 38m

$478

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 8/20

2 stops33h 38m

Helena

Sat 8/31

1 stop9h 03m

$510

Flights are sorted by cheapest first

Deals found on 4/28

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Helena?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Helena. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Helena 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 Helena by month

Plan your trip from Dulles Intl to Helena by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Helena is currently $369 while a round-trip flight costs $470. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helena (average of $332). Flying from Washington, D.C. Dulles Intl Airport to Helena in June is currently the most expensive (average of $679). 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

$398

February

$332

March

$484

April

$427

May

$557

June

$679

July

$651

August

$483

September

$506

October

$395

November

$466

December

$411

Temperature and rainfall in Helena by month

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

HLN

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated April 29, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and Alaska Airlines from Washington, D.C. to Helena to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,116 reviews

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,116 reviews
8.1
Very good
9,116 reviews

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,913 reviews
8.1
Very good
9,116 reviews

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,202 reviews
8.1
Very good
9,116 reviews

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl?

    Most people fly into Helena (HLN) if they book a flight to Helena from Washington, D.C. Dulles Intl. On average, Helena has 0 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Helena is conveniently located just 2.7 mi from Helena’s city center.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Helena for under $500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Helena for under $500. The cheapest flight booked recently is on United Airlines for just $438, but on average you can expect to pay $495.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Helena round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Helena round-trip from $438. Other airlines that can offer you cheap pricing are Delta, from $448, and Alaska Airlines, from $471. United Airlines is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Helena one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Helena are Delta ($229), Alaska Airlines ($258), and United Airlines ($487).

  • What does IAD to HLN mean?

    Great question - IAD to HLN just means Washington, D.C. Dulles Intl Airport to Helena Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Dulles Intl to Helena that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Helena flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Helena with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Helena flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Dulles Intl to Helena?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

  • Can I find deals for flights from Dulles Intl to Helena that allow pets onboard?

    Many airlines flying from Dulles Intl to Helena offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Helena?

    Yes, you can often find last-minute deals on Dulles Intl to Helena flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Helena flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Helena flight deals you see on this page were last updated on 4/29.

See more FAQs

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Top 2 airlines flying from Dulles Intl to Helena

Discover the top 2 airlines that operate flights from Dulles Intl 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 2,948,547 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$504Average$736FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$641Average$726FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Dulles Intl to Helena by cabin class

Find flights from Dulles Intl to Helena, 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 Dulles Intl to Helena?

When you search for this flight from Dulles Intl to Helena, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Helena?

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to Helena 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 Dulles Intl to Helena with no change fees?

Certainly. Search results for flights to Helena from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Helena become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Helena 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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