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 November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 82% 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.

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

Alaska Airlines, Delta, and United Airlines 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 November 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.

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 November 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.

$157 Cheap Flights from Helena to Washington in 2025/26

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Cheap round-trip flights

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4:10 pm - 4:59 pmHLN-SEA

1h 49mnonstop

1:05 pm - 3:43 pmSEA-HLN

1h 38mnonstop

$137Alaska Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:36 pm - 5:26 pmHLN-SEA

1h 50mnonstop

1:21 pm - 3:59 pmSEA-HLN

1h 38mnonstop

$157Hawaiian Airlines

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Sat, Feb 28 - Tue, Mar 3

5:30 am - 9:25 amHLN-SEA

4h 55m1 stop

5:25 am - 12:25 pmSEA-HLN

6h 00m1 stop

$167Delta

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Tue, Dec 9 - Tue, Dec 16

6:28 pm - 7:20 pmHLN-SEA

1h 52mnonstop

3:13 pm - 5:51 pmSEA-HLN

1h 38mnonstop

$177Alaska Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

6:28 pm - 7:20 pmHLN-SEA

1h 52mnonstop

3:13 pm - 5:51 pmSEA-HLN

1h 38mnonstop

$197Alaska Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

1:06 pm - 6:36 pmHLN-SEA

6h 30m1 stop

5:25 am - 12:25 pmSEA-HLN

6h 00m1 stop

$207Delta

Find Deal

Thu, Dec 11 - Sun, Dec 14

1:07 pm - 4:45 pmHLN-SEA

4h 38m1 stop

4:55 pm - 10:29 pmSEA-HLN

4h 34m1 stop

$217Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:10 pm - 10:44 pmHLN-GEG

7h 34m1 stop

8:30 am - 3:43 pmGEG-HLN

6h 13m1 stop

$224Hawaiian Airlines

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Sat, Feb 28 - Tue, Mar 3

2:30 pm - 11:15 pmHLN-SEA

9h 45m2 stops

5:00 am - 1:47 pmSEA-HLN

7h 47m1 stop

$282United Airlines

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Tue, Dec 9 - Tue, Dec 16

2:30 pm - 11:15 pmHLN-SEA

9h 45m2 stops

1:05 pm - 1:47 pmSEA-HLN

23h 42m2 stops

$421United Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

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 28

HLN4:10 pmHelena

1h 49m

SEA4:59 pmSeattle/Tacoma Intl

Mar 3

SEA1:05 pmSeattle/Tacoma Intl

1h 38m

HLN3:43 pmHelena

$137

Find similar

Alaska Airlines

Dec 2

HLN6:28 pmHelena

1h 52m

SEA7:20 pmSeattle/Tacoma Intl

Dec 9

SEA3:13 pmSeattle/Tacoma Intl

1h 38m

HLN5:51 pmHelena

$177

Find similar

Alaska Airlines

Dec 5

HLN6:28 pmHelena

1h 52m

SEA7:20 pmSeattle/Tacoma Intl

Dec 8

SEA3:13 pmSeattle/Tacoma Intl

1h 38m

HLN5:51 pmHelena

$197

Find similar

Hawaiian Airlines flights from Helena to State of Washington

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

Hawaiian Airlines

Feb 28

HLN4:36 pmHelena

1h 50m

SEA5:26 pmSeattle/Tacoma Intl

Mar 3

SEA1:21 pmSeattle/Tacoma Intl

1h 38m

HLN3:59 pmHelena

$157

Find similar

Hawaiian Airlines

Feb 28

HLN4:10 pmHelena

7h 34m

1 stop

GEG10:44 pmSpokane

Mar 3

GEG8:30 amSpokane

6h 13m

1 stop

HLN3:43 pmHelena

$224

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Fly from

Fly to

Route

Depart

Return

Price

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$137

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

4:36 pm-5:26 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Tue 3/3

1:21 pm-3:59 pm

Nonstop1h 38m

$157

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 12/9

5:30 am-9:25 am

1 stop4h 55m

Seattle/Tacoma Intl

Tue 12/16

5:25 am-12:25 pm

1 stop6h 00m

$167

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 12/2

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Tue 12/9

3:13 pm-5:51 pm

Nonstop1h 38m

$177

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 12/5

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 12/8

3:13 pm-5:51 pm

Nonstop1h 38m

$197

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 12/11

1:06 pm-6:36 pm

1 stop6h 30m

Seattle/Tacoma Intl

Sun 12/14

5:25 am-12:25 pm

1 stop6h 00m

$207

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

1:07 pm-4:45 pm

1 stop4h 38m

Seattle/Tacoma Intl

Tue 3/3

4:55 pm-10:29 pm

1 stop4h 34m

$217

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-10:44 pm

1 stop7h 34m

Spokane

Tue 3/3

8:30 am-3:43 pm

1 stop6h 13m

$224

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 12/9

2:30 pm-11:15 pm

2 stops9h 45m

Seattle/Tacoma Intl

Tue 12/16

5:00 am-1:47 pm

1 stop7h 47m

$282

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 12/9

2:30 pm-11:15 pm

2 stops9h 45m

Seattle/Tacoma Intl

Tue 12/16

1:05 pm-1:47 pm

2 stops23h 42m

$421

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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

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Other information

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

The month of January is, on average, the cheapest month to fly to State of Washington from Helena, with most prices found around $197. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $227.

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 Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $360. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Helena to State of Washington for around $515.

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 $446. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $567 on average. Flights to State of Washington from Helena at noon 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	$166
Fastest flight time	1h 41m
Direct flights	Mon, Wed, Fri, Sat and Sun
Airports in State of Washington	1 airport

The best one-way flight to State of Washington from Helena in the past 72 hours is $166. The best round-trip flight deal from Helena to State of Washington found on momondo in the last 72 hours is $288.

The fastest flight from Helena to State of Washington takes 1h 41m

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

There is 1 airport near State of Washington: 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 November 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 66.67% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 7.14%, Boeing 737-900 Passenger/BBJ3 (winglets) with 7.14%, and Airbus A320-100/200 with 4.76%.

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 2,804 reviews		Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $157	Free Cancellation	Rating 8.0 11,259 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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Cheap flights from Helena to Washington from $137

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Washington departing on 2/28. 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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Filter for what you want

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Alaska Airlines flights from Helena to State of Washington

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

Hawaiian Airlines flights from Helena to State of Washington

Our best Hawaiian 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

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

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, Delta, and United Airlines 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 November 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 November 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