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Cheap flights from Dulles Intl (IAD) to Helena (HLN) from $219

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
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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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 June 10, 2024.

Round-trip from

$332

One-way from

$294
From Washington, D.C. Dulles Intl to Helena
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One-way flight from Washington, D.C. Dulles Intl to Helena
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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?

April is one of the best times of the year to fly to Helena from Washington, D.C. Dulles Intl Airport. Prices for April average $683 per person but you can even find prices for as low as $424. The most expensive prices can be found in the month of January. Opting for a April flight can save you 39% on your journey compared to booking in January

What is the cheapest time of day to fly from IAD to 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 32% versus a flight in the morning.

Cheap Dulles Intl to Helena flights in June & July 2024

Find cheap flight options from Dulles Intl to Helena specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
Check out some of the best flight deals from Washington, D.C. to Helena in 2024. Check back regularly for other flight deals.
Wed 7/37:15 amIAD - HLN
1 stop7h 25mDelta
Tue 7/161:11 pmHLN - IAD
1 stop8h 39mDelta
Deal found 6/9$448
Wed 7/37:15 amIAD - HLN
1 stop7h 25mDelta
Thu 7/116:00 amHLN - IAD
2 stops8h 30mDelta
Deal found 6/9$463
Wed 7/104:16 pmIAD - HLN
2 stops33h 43mAlaska Airlines
Wed 7/177:00 amHLN - IAD
1 stop22h 35mAlaska Airlines
Deal found 6/10$469
Wed 7/247:41 pmIAD - HLN
2 stops30h 18mAlaska Airlines
Wed 7/317:00 amHLN - IAD
2 stops20h 40mAlaska Airlines
Deal found 6/9$474
Tue 7/27:15 amIAD - HLN
1 stop7h 25mDelta
Tue 7/161:11 pmHLN - IAD
1 stop8h 39mDelta
Deal found 6/9$483
Tue 7/27:15 amIAD - HLN
1 stop7h 25mDelta
Thu 7/111:11 pmHLN - IAD
1 stop8h 39mDelta
Deal found 6/9$493
Tue 7/27:15 amIAD - HLN
1 stop7h 25mDelta
Thu 7/116:00 amHLN - IAD
2 stops8h 30mDelta
Deal found 6/9$498
Wed 7/37:15 amIAD - HLN
1 stop7h 25mDelta
Tue 7/161:11 pmHLN - IAD
2 stops14h 45mDelta
Deal found 6/9$501
Fri 7/57:02 amIAD - HLN
1 stop18h 57mAlaska Airlines
Thu 7/117:00 amHLN - IAD
1 stop14h 59mAlaska Airlines
Deal found 6/9$508

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 3,080,152 searches. Data last updated June 10, 2024.
Check out some of the best flight deals from Washington, D.C. to Helena in 2024. Check back regularly for other flight deals.
Wed 9/114:13 pmIAD - HLN
1 stop9h 41mAlaska Airlines
Wed 9/187:04 amHLN - IAD
1 stop9h 03mAlaska Airlines
Deal found 6/9$438
Wed 9/257:15 amIAD - HLN
1 stop7h 15mDelta
Wed 10/21:10 pmHLN - IAD
2 stops14h 51mDelta
Deal found 6/9$446
Tue 8/67:15 amIAD - HLN
1 stop7h 16mDelta
Wed 8/141:11 pmHLN - IAD
1 stop8h 39mDelta
Deal found 6/10$448
Wed 9/257:09 pmIAD - HLN
1 stop21h 52mAlaska Airlines
Wed 10/24:13 pmHLN - IAD
1 stop29h 46mAlaska Airlines
Deal found 6/9$458
Wed 7/37:15 amIAD - HLN
1 stop7h 25mDelta
Thu 7/116:00 amHLN - IAD
2 stops8h 30mDelta
Deal found 6/9$463
Wed 9/254:16 pmIAD - HLN
2 stops33h 38mAlaska Airlines
Wed 10/24:13 pmHLN - IAD
2 stops27h 17mAlaska Airlines
Deal found 6/9$468
Wed 7/104:16 pmIAD - HLN
2 stops33h 43mAlaska Airlines
Wed 7/177:00 amHLN - IAD
1 stop22h 35mAlaska Airlines
Deal found 6/10$469
Wed 7/247:41 pmIAD - HLN
2 stops30h 18mAlaska Airlines
Wed 7/317:00 amHLN - IAD
2 stops20h 40mAlaska Airlines
Deal found 6/9$474
Tue 7/27:15 amIAD - HLN
1 stop7h 25mDelta
Tue 7/161:11 pmHLN - IAD
1 stop8h 39mDelta
Deal found 6/9$483

Dulles Intl to Helena flights leaving soon

Find last-minute flight options from Dulles Intl to Helena 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 3,080,152 searches. Data last updated June 10, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Helena. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 6/1910:08 pmIAD - HLN
1 stop25h 18mUnited Airlines
Sat 6/226:53 amHLN - IAD
1 stop14h 11mUnited Airlines
Deal found 6/10$790
Wed 6/1910:08 pmIAD - HLN
1 stop25h 18mUnited Airlines
Sat 6/226:53 amHLN - IAD
2 stops13h 52mUnited Airlines
Deal found 6/10$880
Wed 6/194:10 pmIAD - HLN
1 stop7h 16mUnited Airlines
Sun 6/232:15 pmHLN - IAD
1 stop13h 10mUnited Airlines
Deal found 6/9$1,037
Wed 6/194:16 pmIAD - HLN
2 stops24h 49mAlaska Airlines
Sat 6/227:00 amHLN - IAD
2 stops20h 27mAlaska Airlines
Deal found 6/10$1,123

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 3,080,152 searches. Data last updated June 10, 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 8/287:15 amIAD - HLN
1 stop7h 16mDelta
Deal found 6/10$219
Wed 8/2811:06 amIAD - HLN
2 stops13h 26mDelta
Deal found 6/10$224
Mon 7/1512:26 pmIAD - HLN
2 stops12h 08mDelta
Deal found 6/10$264
Mon 7/1512:26 pmIAD - HLN
2 stops12h 08mDelta
Deal found 6/9$294
Mon 7/156:37 pmIAD - HLN
1 stop31h 22mAlaska Airlines
Deal found 6/10$297
Wed 8/288:36 amIAD - HLN
3 stops14h 44mUnited Airlines
Deal found 6/10$542
Mon 7/156:30 amIAD - HLN
3 stops16h 48mUnited Airlines
Deal found 6/10$611

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 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$438 - $557

Route

Depart

Return

Price

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/11

1 stop9h 41m

Helena

Wed 9/18

1 stop9h 03m

$438

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/25

1 stop7h 15m

Helena

Wed 10/2

2 stops14h 51m

$446

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 8/6

1 stop7h 16m

Helena

Wed 8/14

1 stop8h 39m

$448

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/25

1 stop21h 52m

Helena

Wed 10/2

1 stop29h 46m

$458

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 7/3

1 stop7h 25m

Helena

Thu 7/11

2 stops8h 30m

$463

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/25

2 stops33h 38m

Helena

Wed 10/2

2 stops27h 17m

$468

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 7/10

2 stops33h 43m

Helena

Wed 7/17

1 stop22h 35m

$469

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 7/16

1 stop25h 10m

Helena

Tue 7/23

1 stop18h 56m

$545

Washington, D.C. Dulles IntlHelena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Thu 7/4

1 stop7h 08m

Helena

Wed 7/17

1 stop20h 40m

$557

Flights are sorted by cheapest first

Deals found on 6/9

What is the cheapest day 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 June 9, 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.
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Best time to book a flight from Dulles Intl to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Dulles Intl 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.

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

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 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 June 10, 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.
Alaska Airlines
8.1
Very good
9,254 reviews

Boarding

8.2

Entertainment

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Alaska Airlines
8.1
Very good
9,254 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Boarding

8.2

Entertainment

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Delta
8.0
Very good
10,295 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Boarding

8.2

Entertainment

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

United Airlines
7.4
Good
10,647 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Boarding

8.2

Entertainment

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

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 Alaska Airlines for just $438, but on average you can expect to pay $485.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Helena for under $800?

    There are currently 4+ open flights from Washington, D.C. Dulles Intl Airport to Helena within the next 7 days for less than $800.

  • 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 $446, and United Airlines, from $545.

  • 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 ($219), Alaska Airlines ($297), and United Airlines ($542).

  • 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 6/10.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helena?

    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 July is currently the most expensive (average of $630). 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 Dulles Intl to Helena
See prices for flight routes from nearby airports that may be better suited for you.

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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 3,080,152 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$503Average$763FlexibilityNo cancel feeOn-time69%
DeltaCheapest$641Average$726FlexibilityNo cancel feeOn-timeN/A
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Washington, D.C. Dulles Intl Airport to Hamilton 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.
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