How many flights depart from Helena to State of Washington on average per week?

The number of flights available between Helena and State of Washington is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What is the cheapest airline that flies from Helena to Washington?

Alaska Airlines and Delta are the most popular carriers operating from Helena to Washington

How many flights depart from Helena to State of Washington on average per day?

As of December 2025, 3 flights take off from Helena and land in State of Washington each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

What airlines fly to State of Washington?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to State of Washington from Helena according to our data. Alaska Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Helena Airport to Washington?

Prices for flights from Helena Airport to Washington refresh daily.

How many operators does momondo search for flights from Helena Airport to Washington?

As of December 2025, there are 3 operators available to choose from for flights from Helena Airport to Washington.

How old do you have to be to fly from Helena Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$99 Cheap Flights from Helena to Washington in 2025/26

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Find the cheapest flights from Helena to Washington

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:48 pm - 7:47 pm

HLN

SEA

1h 59mnonstop

1:21 pm - 3:59 pm

SEA

HLN

1h 38mnonstop

$157Alaska Airlines

Tue, Feb 10 - Wed, Feb 18

6:48 pm - 7:47 pm

HLN

SEA

1h 59mnonstop

3:31 pm - 6:11 pm

SEA

HLN

1h 40mnonstop

$167Alaska Airlines

Sat, Jan 17 - Sun, Jan 18

1:10 pm - 6:29 pm

HLN

SEA

6h 19m1 stop

5:00 am - 12:27 pm

SEA

HLN

6h 27m1 stop

$197Delta

Thu, Jan 22 - Sun, Jan 25

1:10 pm - 6:29 pm

HLN

SEA

6h 19m1 stop

5:30 am - 12:25 pm

SEA

HLN

5h 55m1 stop

$207Delta

Thu, Feb 12 - Wed, Feb 18

4:36 pm - 5:26 pm

HLN

SEA

1h 50mnonstop

1:21 pm - 3:59 pm

SEA

HLN

1h 38mnonstop

$208Alaska Airlines

Sat, Feb 14 - Sun, Feb 15

6:48 pm - 7:47 pm

HLN

SEA

1h 59mnonstop

3:31 pm - 6:11 pm

SEA

HLN

1h 40mnonstop

$218Alaska Airlines

Fri, Jan 16 - Thu, Jan 22

1:10 pm - 4:48 pm

HLN

SEA

4h 38m1 stop

5:30 am - 12:25 pm

SEA

HLN

5h 55m1 stop

$238Delta

Sat, Feb 28 - Sat, Mar 7

6:48 pm - 11:04 pm

HLN

GEG

5h 16m1 stop

9:05 am - 6:11 pm

GEG

HLN

8h 06m1 stop

$245Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

6:15 am - 6:55 pm

HLN

PDX

13h 40m2 stops

3:50 pm - 9:25 pm

PDX

HLN

28h 35m2 stops

$526United Airlines

Tue, Feb 24 - Wed, Mar 4

2:27 pm - 10:44 am

HLN

GEG

21h 17m2 stops

12:24 pm - 9:26 pm

GEG

HLN

32h 02m2 stops

$798United Airlines

Sat, Jan 10 - Wed, Jan 14

Delta flights from Helena to State of Washington

Our best Delta deals on Helena to State of Washington flight tickets

Delta

Jan 22

HLN1:10 pmHelena

6h 19m

1 stop

SEA6:29 pmSeattle/Tacoma Intl

Jan 25

SEA5:00 amSeattle/Tacoma Intl

6h 27m

1 stop

HLN12:27 pmHelena

$197

Find similar

Delta

Feb 12

HLN1:10 pmHelena

6h 19m

1 stop

SEA6:29 pmSeattle/Tacoma Intl

Feb 18

SEA5:30 amSeattle/Tacoma Intl

5h 55m

1 stop

HLN12:25 pmHelena

$207

Find similar

Delta

Feb 28

HLN1:10 pmHelena

4h 38m

1 stop

SEA4:48 pmSeattle/Tacoma Intl

Mar 7

SEA5:30 amSeattle/Tacoma Intl

5h 55m

1 stop

HLN12:25 pmHelena

$238

Find similar

Alaska Airlines flights from Helena to State of Washington

Our best Alaska Airlines deals on Helena to State of Washington flight tickets

Alaska Airlines

Feb 10

HLN6:48 pmHelena

1h 59m

SEA7:47 pmSeattle/Tacoma Intl

Feb 18

SEA1:21 pmSeattle/Tacoma Intl

1h 38m

HLN3:59 pmHelena

$157

Find similar

Alaska Airlines

Jan 17

HLN6:48 pmHelena

1h 59m

SEA7:47 pmSeattle/Tacoma Intl

Jan 18

SEA3:31 pmSeattle/Tacoma Intl

1h 40m

HLN6:11 pmHelena

$167

Find similar

Alaska Airlines

Feb 14

HLN4:36 pmHelena

1h 50m

SEA5:26 pmSeattle/Tacoma Intl

Feb 15

SEA1:21 pmSeattle/Tacoma Intl

1h 38m

HLN3:59 pmHelena

$208

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 2/10

6:48 pm-7:47 pm

Nonstop1h 59m

Seattle/Tacoma Intl

Wed 2/18

1:21 pm-3:59 pm

Nonstop1h 38m

$157

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 1/17

6:48 pm-7:47 pm

Nonstop1h 59m

Seattle/Tacoma Intl

Sun 1/18

3:31 pm-6:11 pm

Nonstop1h 40m

$167

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 1/22

1:10 pm-6:29 pm

1 stop6h 19m

Seattle/Tacoma Intl

Sun 1/25

5:00 am-12:27 pm

1 stop6h 27m

$197

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 2/12

1:10 pm-6:29 pm

1 stop6h 19m

Seattle/Tacoma Intl

Wed 2/18

5:30 am-12:25 pm

1 stop5h 55m

$207

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/14

4:36 pm-5:26 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sun 2/15

1:21 pm-3:59 pm

Nonstop1h 38m

$208

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 1/16

6:48 pm-7:47 pm

Nonstop1h 59m

Seattle/Tacoma Intl

Thu 1/22

3:31 pm-6:11 pm

Nonstop1h 40m

$218

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

1:10 pm-4:48 pm

1 stop4h 38m

Seattle/Tacoma Intl

Sat 3/7

5:30 am-12:25 pm

1 stop5h 55m

$238

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Wed 1/28

6:48 pm-11:04 pm

1 stop5h 16m

Spokane

Sat 1/31

9:05 am-6:11 pm

1 stop8h 06m

$245

HelenaPortland

HLN - PDX

HLNPDX

Helena

Tue 2/24

6:15 am-6:55 pm

2 stops13h 40m

Portland

Wed 3/4

3:50 pm-9:25 pm

2 stops28h 35m

$526

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 1/10

2:27 pm-10:44 am

2 stops21h 17m

Spokane

Wed 1/14

12:24 pm-9:26 pm

2 stops32h 02m

$798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Helena, with most prices found around $157. If you aren’t able to travel to State of Washington during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $177.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Helena to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $297. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Helena to State of Washington for around $572.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $432. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $452 on average. Flights to State of Washington from Helena in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Helena to Washington flight route?

Fly from Helena to Seattle/Tacoma Intl for the best Helena - Washington flight prices

What cabin class options are available on Helena to Washington flights?

There are 3 cabin classes available to choose from on Helena to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helena to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Helena to State of Washington.

Cheap Helena to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to State of Washington

Best Price Found	$189
Fastest flight time	4h 38m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Helena in the past 72 hours is $189. The best round-trip flight deal from Helena to State of Washington found on momondo in the last 72 hours is $177.

The fastest flight from Helena to State of Washington takes 4h 38m

Direct flights go from Helena to State of Washington on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.

There are 96 airports in State of Washington. From Helena there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Helena Airport to Washington?
Prices for flights from Helena Airport to Washington refresh daily.
How many operators does momondo search for flights from Helena Airport to Washington?
As of December 2025, there are 3 operators available to choose from for flights from Helena Airport to Washington.
How old do you have to be to fly from Helena Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Helena to State of Washington?
Based on momondo bookings for flights between Helena and State of Washington, the leading plane model is Embraer 175, making up 58.06% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 9.68%, Boeing 737-900 Passenger/BBJ3 (winglets) with 9.68%, and Airbus A320-100/200 with 6.45%.

Best airlines flying from Helena to State of Washington

Compare and see reviews for airlines that fly from Helena to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $149	Free Cancellation	Rating 7.8 2,820 reviews		Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $157	Free Cancellation	Rating 8.0 11,554 reviews		Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Washington?

Finding the right flight to Washington from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Helena to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helena to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Helena to Washington?

momondo provides multiple filters to help you find the best flight to Washington from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Helena to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Helena and alert you when they change.

An easier way to manage your State of Washington trip

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Popular cities in Washington

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Cheap flights from Helena to Washington from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Washington departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Helena to State of Washington

Our best Delta deals on Helena to State of Washington flight tickets

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Our best Alaska Airlines deals on Helena to State of Washington flight tickets

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How to get the cheapest flight ticket from Helena to State of Washington

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest Helena to Washington flight route?

Fly from Helena to Seattle/Tacoma Intl for the best Helena - Washington flight prices

What cabin class options are available on Helena to Washington flights?

There are 3 cabin classes available to choose from on Helena to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helena to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Helena to State of Washington.

What is the cheapest airline that flies from Helena to Washington?

Alaska Airlines and Delta are the most popular carriers operating from Helena to Washington

What airlines fly to State of Washington?

How many flights depart from Helena to State of Washington on average per day?

As of December 2025, 3 flights take off from Helena and land in State of Washington each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from Helena to State of Washington on average per week?

The number of flights available between Helena and State of Washington is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Cheap Helena to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to State of Washington

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from Helena Airport to Washington?

How many operators does momondo search for flights from Helena Airport to Washington?

How old do you have to be to fly from Helena Airport to Washington?

What documentation or ID do you need to fly to Washington?

What is the most popular plane model from Helena to State of Washington?

Best airlines flying from Helena to State of Washington

Compare and see reviews for airlines that fly from Helena to State of Washington with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Washington?

Can I find flights from Helena to Washington with flexible booking policies on momondo?

How can momondo help me find flights from Helena to Washington?

I’m not ready to book a flight from Helena to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo