What is the cheapest airline that flies from Billings Logan Intl to Seattle/Tacoma Intl?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Billings Logan Intl to Seattle/Tacoma Intl

How many flights depart from Billings to Seattle on average per day?

As of November 2025, there are 8 flights per day flying from Billings to Seattle. The most common time of day flights depart is 6:00AM, with 46% of flights taking off at noon.

How many flights depart from Billings to Seattle on average per week?

57 flights are operational weekly from Billings to Seattle as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

What airlines fly to Seattle?

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Seattle from Billings according to our data. Alaska Airlines is the first choice among our users, with 85% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport are updated daily.

How many operators does momondo search for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport is 3 as of November 2025.

How old do you have to be to fly from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

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 Billings Logan Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$104 Cheap Flights from Billings to Seattle in 2025/26

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2:02 pm - 3:16 pmBIL-SEA

2h 14mnonstop

9:15 pm - 12:08 amSEA-BIL

1h 53mnonstop

$137Alaska Airlines

Find Deal

mié., dic. 10 - sáb., dic. 13

3:36 pm - 6:55 pmBIL-SEA

4h 19m1 stop

9:15 pm - 12:08 amSEA-BIL

1h 53mnonstop

$147Alaska Airlines

Find Deal

mié., dic. 10 - sáb., dic. 13

5:14 am - 9:25 amBIL-SEA

5h 11m1 stop

5:00 pm - 12:23 amSEA-BIL

6h 23m1 stop

$157Delta

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jue., dic. 4 - mar., dic. 9

6:30 am - 1:58 pmBIL-SEA

8h 28m1 stop

5:00 am - 1:24 pmSEA-BIL

7h 24m1 stop

$187United Airlines

Find Deal

sáb., ene. 10 - lun., ene. 12

2:02 pm - 3:16 pmBIL-SEA

2h 14mnonstop

9:15 pm - 12:08 amSEA-BIL

1h 53mnonstop

$191Alaska Airlines

Find Deal

vie., dic. 12 - mié., dic. 17

2:40 pm - 9:17 pmBIL-SEA

7h 37m1 stop

5:07 am - 1:13 pmSEA-BIL

7h 06m1 stop

$208United Airlines

Find Deal

mar., mar. 10 - mar., mar. 17

5:15 am - 9:17 amBIL-SEA

5h 02m1 stop

5:30 am - 11:06 amSEA-BIL

4h 36m1 stop

$227Delta

Find Deal

vie., ene. 16 - mar., ene. 20

4:13 pm - 9:15 pmBIL-SEA

6h 02m1 stop

12:25 pm - 9:23 pmSEA-BIL

7h 58m1 stop

$228United Airlines

Find Deal

vie., ene. 16 - mar., ene. 20

3:36 pm - 11:49 amBIL-SEA

21h 13m1 stop

9:15 pm - 12:08 amSEA-BIL

1h 53mnonstop

$230Alaska Airlines

Find Deal

vie., dic. 12 - mié., dic. 17

3:36 pm - 6:55 pmBIL-SEA

4h 19m1 stop

9:15 pm - 12:08 amSEA-BIL

1h 53mnonstop

$231Alaska Airlines

Find Deal

jue., dic. 4 - mar., dic. 9

Alaska Airlines flights from Billings to Seattle

Our best Alaska Airlines deals on Billings to Seattle flight tickets

Alaska Airlines

Dec 10

BIL2:02 pmBillings Logan Intl

2h 14m

SEA3:16 pmSeattle/Tacoma Intl

Dec 13

SEA9:15 pmSeattle/Tacoma Intl

1h 53m

BIL12:08 amBillings Logan Intl

$137

Find similar

Alaska Airlines

Dec 12

BIL2:02 pmBillings Logan Intl

2h 14m

SEA3:16 pmSeattle/Tacoma Intl

Dec 17

SEA9:15 pmSeattle/Tacoma Intl

1h 53m

BIL12:08 amBillings Logan Intl

$191

Find similar

Alaska Airlines

Dec 12

BIL3:36 pmBillings Logan Intl

21h 13m

1 stop

SEA11:49 amSeattle/Tacoma Intl

Dec 17

SEA9:15 pmSeattle/Tacoma Intl

1h 53m

BIL12:08 amBillings Logan Intl

$230

Find similar

Delta flights from Billings to Seattle

Our best Delta deals on Billings to Seattle flight tickets

Delta

Dec 10

BIL6:22 pmBillings Logan Intl

6h 03m

1 stop

SEA11:25 pmSeattle/Tacoma Intl

Dec 13

SEA1:45 pmSeattle/Tacoma Intl

9h 03m

1 stop

BIL11:48 pmBillings Logan Intl

$147

Find similar

Delta

Dec 4

BIL5:14 amBillings Logan Intl

5h 11m

1 stop

SEA9:25 amSeattle/Tacoma Intl

Dec 9

SEA5:00 pmSeattle/Tacoma Intl

6h 23m

1 stop

BIL12:23 amBillings Logan Intl

$157

Find similar

Delta

Jan 16

BIL5:15 amBillings Logan Intl

5h 02m

1 stop

SEA9:17 amSeattle/Tacoma Intl

Jan 20

SEA5:30 amSeattle/Tacoma Intl

4h 36m

1 stop

BIL11:06 amBillings Logan Intl

$227

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mié. 12/10

2:02 pm-3:16 pm

Nonstop2h 14m

Seattle/Tacoma Intl

sáb. 12/13

9:15 pm-12:08 am

Nonstop1h 53m

$137

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mié. 12/10

3:36 pm-6:55 pm

1 stop4h 19m

Seattle/Tacoma Intl

sáb. 12/13

9:15 pm-12:08 am

Nonstop1h 53m

$147

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

jue. 12/4

5:14 am-9:25 am

1 stop5h 11m

Seattle/Tacoma Intl

mar. 12/9

5:00 pm-12:23 am

1 stop6h 23m

$157

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

sáb. 1/10

6:30 am-1:58 pm

1 stop8h 28m

Seattle/Tacoma Intl

lun. 1/12

5:00 am-1:24 pm

1 stop7h 24m

$187

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 12/12

2:02 pm-3:16 pm

Nonstop2h 14m

Seattle/Tacoma Intl

mié. 12/17

9:15 pm-12:08 am

Nonstop1h 53m

$191

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mar. 3/10

2:40 pm-9:17 pm

1 stop7h 37m

Seattle/Tacoma Intl

mar. 3/17

5:07 am-1:13 pm

1 stop7h 06m

$208

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 1/16

5:15 am-9:17 am

1 stop5h 02m

Seattle/Tacoma Intl

mar. 1/20

5:30 am-11:06 am

1 stop4h 36m

$227

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 1/16

4:13 pm-9:15 pm

1 stop6h 02m

Seattle/Tacoma Intl

mar. 1/20

12:25 pm-9:23 pm

1 stop7h 58m

$228

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

vie. 12/12

3:36 pm-11:49 am

1 stop21h 13m

Seattle/Tacoma Intl

mié. 12/17

9:15 pm-12:08 am

Nonstop1h 53m

$230

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

jue. 12/4

3:36 pm-6:55 pm

1 stop4h 19m

Seattle/Tacoma Intl

mar. 12/9

9:15 pm-12:08 am

Nonstop1h 53m

$231

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Billings to Seattle

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 Seattle?

In general, January is the cheapest month to fly from Billings to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $237. If you don’t want to visit Seattle in January, then you should wait until February to fly from Billings, when ticket prices are also cheap, with an average price of $247.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Billings is on a Thursday. momondo users have found tickets for Thursday departures for as low as $439. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $615.

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

Flying to Seattle from Billings at noon is the least expensive time of day to depart. momondo users have found prices as low as $435 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $555. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Billings Logan Intl to Seattle/Tacoma Intl flight route?

Fly from Billings Logan Intl to Seattle/Tacoma Intl for the best Billings Logan Intl - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Billings when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Billings for as low as $225 on momondo.

What cabin class options are available on Billings Logan Intl to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Billings Logan Intl to Seattle/Tacoma Intl 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 Billings to Seattle flights?

You could potentially save up to 53% on your flight if you consider stops on a Billings to Seattle flight.

How have Billings to Seattle flight prices changed over time?

As of November 2025, prices for Billings to Seattle flights are approximately 140% more expensive when compared to flights at the same time last year.

When to book flights from Billings to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Billings to Seattle (BIL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Seattle

Best Price Found	$206
Fastest flight time	2h 09m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Billings in the past 72 hours is $206. The best round-trip flight deal from Billings to Seattle found on momondo in the last 72 hours is $352.

The fastest flight from Billings to Seattle takes 2h 09m

Direct flights go from Billings to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Billings Logan Intl to Seattle/Tacoma Intl by plane?
The distance between Billings Logan Intl and Seattle/Tacoma Intl is about 666.5 mi. 2h 09m is a normal flight duration for this route.
When did momondo last update prices for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport is 3 as of November 2025.
How old do you have to be to fly from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?
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 Billings Logan Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Billings to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Billings to Seattle is Embraer 175, representing 75.58% of all bookings. The subsequent popular models are Airbus A321neo at 3.49%, Boeing 737-900 at 3.49%, and Airbus A320-100/200 at 3.49%.
What is the most popular airline from Billings to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Billings to Seattle is Alaska Airlines (85% of total bookings). The next most popular airlines are Hawaiian Airlines (11%) and Delta (4%).

Best airlines flying from Billings to Seattle

Compare and see reviews for airlines that fly from Billings to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $173	Free Cancellation	Rating 8.0 11,281 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $177	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $189	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights

Alaska Airlines Flights From Billings to Seattle
Alaska Airlines operates around 16 flights from Billings to Seattle every week. The average price of these flights found in the last 72 hours has been $321, but momondo users have found Alaska Airlines deals from Billings to Seattle from as low as $173 round-trip. Alaska Airlines has been scored 8.0/10 in 11,281 reviews.
Hawaiian Airlines Flights From Billings to Seattle
Another popular option for Billings to Seattle flights is Hawaiian Airlines (7.8/10, 2,809 ratings). Hawaiian Airlines flies from Billings to Seattle around 20 times per week, with deals starting from $177 round-trip and rising to an average price of around $328.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Seattle?

Finding the right flight to Seattle from Billings 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 Seattle quick and easy, saving you time and money.

Can I find flights from Billings to Seattle with flexible booking policies on momondo?

Flights from Billings to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Billings to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Billings.

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

Yes. momondo can track prices for Billings to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Seattle 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.

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sáb. 12/13

sáb. 12/20

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Cheap flights from Billings to Seattle from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Seattle departing on 1/1. 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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Alaska Airlines flights from Billings to Seattle

Our best Alaska Airlines deals on Billings to Seattle flight tickets

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Our best Delta deals on Billings to Seattle flight tickets

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How to get the cheapest flight ticket from Billings to Seattle

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 Seattle?

What is the cheapest day to depart on your flight to Seattle?

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

What is the cheapest Billings Logan Intl to Seattle/Tacoma Intl flight route?

Fly from Billings Logan Intl to Seattle/Tacoma Intl for the best Billings Logan Intl - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Billings Logan Intl to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Billings Logan Intl to Seattle/Tacoma Intl 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 Billings to Seattle flights?

You could potentially save up to 53% on your flight if you consider stops on a Billings to Seattle flight.

How have Billings to Seattle flight prices changed over time?

As of November 2025, prices for Billings to Seattle flights are approximately 140% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Billings Logan Intl to Seattle/Tacoma Intl?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Billings Logan Intl to Seattle/Tacoma Intl

What airlines fly to Seattle?

How many flights depart from Billings to Seattle on average per day?

As of November 2025, there are 8 flights per day flying from Billings to Seattle. The most common time of day flights depart is 6:00AM, with 46% of flights taking off at noon.

How many flights depart from Billings to Seattle on average per week?

57 flights are operational weekly from Billings to Seattle as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

When to book flights from Billings to Seattle

Cheap Billings to Seattle (BIL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Billings Logan Intl to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Billings Logan Intl Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Billings to Seattle?

What is the most popular airline from Billings to Seattle?

Best airlines flying from Billings to Seattle

Compare and see reviews for airlines that fly from Billings to Seattle with momondo

Alaska Airlines Flights From Billings to Seattle

Hawaiian Airlines Flights From Billings to Seattle

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Seattle?

Can I find flights from Billings to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Billings to Seattle?

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

An easier way to manage your Seattle 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 the United States

Airports servicing Washington