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 79% 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.

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

As of March 2026, 3 flights take off from Helena and land in State of Washington each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

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 March 2026. 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

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 March 2026, 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.

$117 Cheap Flights from Helena to Washington in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Helena to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$127Alaska Airlines

Sat, May 16 - Tue, May 19

6:22 pm - 7:11 pm

HLN

SEA

1h 49mnonstop

3:09 pm - 5:45 pm

SEA

HLN

1h 36mnonstop

$137Alaska Airlines

Tue, Mar 31 - Tue, Apr 7

5:30 am - 9:15 am

HLN

SEA

4h 45m

1 stop

5:35 am - 12:24 pm

SEA

HLN

5h 49m

1 stop

$142Delta

Sat, Apr 11 - Tue, Apr 14

5:30 am - 9:15 am

HLN

SEA

4h 45m

1 stop

5:30 am - 12:21 pm

SEA

HLN

5h 51m

1 stop

$162Delta

Sat, Mar 21 - Sat, Mar 28

6:22 pm - 7:11 pm

HLN

SEA

1h 49mnonstop

3:09 pm - 5:45 pm

SEA

HLN

1h 36mnonstop

$167Alaska Airlines

Tue, Mar 24 - Fri, Mar 27

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$177Alaska Airlines

Sat, May 16 - Sun, May 24

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$187Alaska Airlines

Fri, May 15 - Tue, May 19

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$192Alaska Airlines

Sat, May 16 - Mon, May 25

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$202Alaska Airlines

Wed, May 20 - Mon, May 25

4:43 pm - 5:33 pm

HLN

SEA

1h 50mnonstop

1:30 pm - 4:06 pm

SEA

HLN

1h 36mnonstop

$207Alaska Airlines

Sat, May 16 - Thu, May 21

Alaska Airlines flights from Helena to State of Washington

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

Alaska Airlines

May 16

HLN4:43 pmHelena

1h 50m

SEA5:33 pmSeattle/Tacoma Intl

May 19

SEA1:30 pmSeattle/Tacoma Intl

1h 36m

HLN4:06 pmHelena

$127

Alaska Airlines

Mar 31

HLN6:22 pmHelena

1h 49m

SEA7:11 pmSeattle/Tacoma Intl

Apr 7

SEA3:09 pmSeattle/Tacoma Intl

1h 36m

HLN5:45 pmHelena

$137

Alaska Airlines

Mar 24

HLN6:22 pmHelena

1h 49m

SEA7:11 pmSeattle/Tacoma Intl

Mar 27

SEA3:09 pmSeattle/Tacoma Intl

1h 36m

HLN5:45 pmHelena

$167

Delta flights from Helena to State of Washington

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

Delta

Apr 11

HLN5:30 amHelena

4h 45m

1 stop

SEA9:15 amSeattle/Tacoma Intl

Apr 14

SEA5:35 amSeattle/Tacoma Intl

5h 49m

1 stop

HLN12:24 pmHelena

$142

Delta

Mar 21

HLN5:30 amHelena

4h 45m

1 stop

SEA9:15 amSeattle/Tacoma Intl

Mar 28

SEA5:30 amSeattle/Tacoma Intl

5h 51m

1 stop

HLN12:21 pmHelena

$162

Delta

Mar 21

HLN5:30 amHelena

4h 26m

1 stop

PDX8:56 amPortland

Mar 25

PDX5:45 amPortland

5h 36m

1 stop

HLN12:21 pmHelena

$221

Fly from

Fly to

Route

Depart

Return

Price

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 5/16

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Tue 5/19

1:30 pm-4:06 pm

Nonstop1h 36m

$127

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 3/31

6:22 pm-7:11 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 4/7

3:09 pm-5:45 pm

Nonstop1h 36m

$137

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 4/11

5:30 am-9:15 am

1 stop4h 45m

Seattle/Tacoma Intl

Tue 4/14

5:35 am-12:24 pm

1 stop5h 49m

$142

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 3/21

5:30 am-9:15 am

1 stop4h 45m

Seattle/Tacoma Intl

Sat 3/28

5:30 am-12:21 pm

1 stop5h 51m

$162

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 3/24

6:22 pm-7:11 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Fri 3/27

3:09 pm-5:45 pm

Nonstop1h 36m

$167

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 5/16

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sun 5/24

1:30 pm-4:06 pm

Nonstop1h 36m

$177

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 5/15

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Tue 5/19

1:30 pm-4:06 pm

Nonstop1h 36m

$187

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 5/16

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 5/25

1:30 pm-4:06 pm

Nonstop1h 36m

$192

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 5/20

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 5/25

1:30 pm-4:06 pm

Nonstop1h 36m

$202

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 5/16

4:43 pm-5:33 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Thu 5/21

1:30 pm-4:06 pm

Nonstop1h 36m

$207

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 February is, on average, the cheapest month to fly to State of Washington from Helena, with most prices found around $153. If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $157.

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 $270. 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 $704.

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 $379. 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	$108
Fastest flight time	1h 47m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Helena in the past 72 hours is $108. The best round-trip flight deal from Helena to State of Washington found on momondo in the last 72 hours is $303.

The fastest flight from Helena to State of Washington takes 1h 47m

Direct flights go from Helena to State of Washington every day.

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 March 2026, 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 55.17% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 10.34%, Boeing 737-900 Passenger/BBJ3 (winglets) with 6.90%, and Airbus A320-100/200 with 6.90%.

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 $119	Free Cancellation	Rating 7.8 2,837 reviews		Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $147	Free Cancellation	Rating 8.0 11,974 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 4/1

Wed 4/8

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities

Other flights from Helena

Other flights to Washington

Airlines

Complete your trip

Feeling lucky

Popular cities in Washington

Flights to New Yorkfrom $55

Flights to Los Angelesfrom $54

Flights to Miamifrom $49

Flights to Orlandofrom $46

Flights to Chicagofrom $55

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $56

Flights to Bostonfrom $76

Flights to Atlantafrom $53

Flights to Dallasfrom $60

Flights to Seattlefrom $48

Cheap flights from Helena to Washington from $127

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 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Helena to Washington

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Alaska Airlines flights from Helena to State of Washington

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

Delta flights from Helena to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

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?

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

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

What is the cheapest airline that flies 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?

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

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

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?

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

Helena flight routes

According to popular flight searches on momondo this year

State of Washington flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Washington

Explore popular destinations other users love

According to popular flight searches on momondo this year