SEA - BIL

$129 Find Cheap Flights from Seattle to Billings - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$237
Typical prices: $247-$489
Alaska Airlines
Mon 2/26Sun 3/4
SEA - BIL • Non-stop
Cheapest one-way
$129
Typical prices: $208-$373
Alaska Airlines
Sun 11/18
SEA - BIL • 1 stop
Nonstop flights
Every day
You can fly direct with Alaska Airlines. Average duration is 1h 55m
Direct flights
+1
Direct flights
+1
When to travel
January
Cheapest • 55% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $321 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 32m (one-way)
Insights
Insights
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We hope you love your trip to Billings!

Cheap Flights from Seattle to Billings (SEA-BIL)

 

Cheap flights from Seattle to Billings with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Fri, Feb 26 - Thu, Mar 4
Alaska Airlines Logo
9:15 pm - 12:08 amSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
1h 53mnonstop
Alaska Airlines Logo
2:03 pm - 3:13 pmBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
2h 10mnonstop
$237Alaska Airlines
Wed, Dec 2 - Sat, Dec 5
Alaska Airlines Logo
8:04 pm - 10:58 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
1h 54mnonstop
Alaska Airlines Logo
3:32 pm - 6:34 pmBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
4h 02m1 stop Portland
$242Alaska Airlines
Wed, Dec 2 - Sat, Dec 5
United Airlines Logo
5:05 am - 1:24 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
7h 19m1 stop Denver Intl
United Airlines Logo
2:33 pm - 9:21 pmBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
7h 48m1 stop Denver Intl
$253United Airlines
Sat, Nov 14 - Sun, Nov 15
Delta Logo
11:30 am - 5:49 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
5h 19m1 stop Salt Lake City
Delta Logo
5:35 am - 9:07 amBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
4h 32m1 stop Salt Lake City
$272Delta
Sat, Nov 14 - Sun, Nov 15
Alaska Airlines Logo
7:50 pm - 10:43 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
1h 53mnonstop
Alaska Airlines Logo
5:12 pm - 6:25 pmBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
2h 13mnonstop
$276Alaska Airlines
Thu, Dec 31 - Tue, Jan 5
United Airlines Logo
2:41 pm - 9:15 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
5h 34m1 stop Denver Intl
United Airlines Logo
4:13 pm - 9:17 pmBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
6h 04m1 stop Denver Intl
$277United Airlines
Fri, Feb 26 - Thu, Mar 4
Delta Logo
5:45 am - 12:19 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
5h 34m1 stop Salt Lake City
Delta Logo
6:25 pm - 12:11 amBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
6h 46m1 stop Salt Lake City
$277Delta
Fri, Dec 4 - Mon, Dec 7
Delta Logo
9:18 am - 5:41 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
7h 23m1 stop Salt Lake City
Delta Logo
5:30 am - 9:20 amBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
4h 50m1 stop Salt Lake City
$277Delta
Wed, Dec 2 - Sun, Dec 20
Alaska Airlines Logo
8:04 pm - 10:58 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
1h 54mnonstop
Alaska Airlines Logo
6:00 am - 7:21 amBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
2h 21mnonstop
$287Alaska Airlines
Wed, Dec 2 - Mon, Dec 21
Alaska Airlines Logo
8:04 pm - 10:58 pmSEA  Seattle/Tacoma Intl-BIL Billings Logan Intl
1h 54mnonstop
Alaska Airlines Logo
6:00 am - 7:21 amBIL  Billings Logan Intl-SEA Seattle/Tacoma Intl
2h 21mnonstop
$287Alaska Airlines

Price, demand and travel trends for Seattle to Billings flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Billings?

Round-trip flights from Seattle to Billings typically range from $247 to $489. The lowest price found in the past 5 days was $237, on Alaska Airlines.

What's the cheapest day of the week to fly from Seattle to Billings?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Seattle to Billings. It’s 32% cheaper than the average day, while Sunday is the most expensive, with prices 36% higher.

What’s the cheapest month to fly from Seattle to Billings?

•January is the cheapest month to fly from Seattle to Billings at $167 round-trip.
•July ($502) and February ($472) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 200% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Seattle to Billings flights

Low season

December

Cheapest flight

$129
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 56% increase in travelers.
One-way flight from Seattle to Billings

When to book flights from Seattle to Billings

Are your dates flexible? Find out the best times to travel from Seattle to Billings based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Billings flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Seattle to Billings?

    These are the earliest and latest flight times available from Seattle to Billings:

    • Earliest: departs at 8:19 am and lands at 10:14 am
    • Latest: departs at 9:06 pm and lands at 11:01 pm.

    The flight takes about 1h 55m.

  • What cabin classes can I book on flights from Seattle to Billings?

    Two cabin classes are available on flights from Seattle to Billings:

    • Economy Class
    • First Class

  • How long is a flight from Seattle to Billings?

    A nonstop flight from Seattle to Billings takes 1h 55m, covering 662 miles.

  • Do I need a passport to fly from Seattle to Billings?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Seattle to Billings flight?

    Round-trip flights from Seattle to Billings range from $247 to $489, with an average of $367 over the past 12 months. Anything below $247 counts as a good deal.

  • How much can I save by taking a layover when flying from Seattle to Billings?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $321 round-trip via Salt Lake City (SLC), compared to $366 for nonstop.

  • How are flight departures from Seattle to Billings spread across the day?

    Morning is the busiest departure period on Seattle to Billings flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • Which airlines offer Wi-Fi on Seattle to Billings flights?

    Alaska Airlines is the only airline on the Seattle to Billings route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Seattle to Billings looking right now?

    One-way fares from Seattle to Billings are currently lower than usual. Average one-way flight prices are about $183, which is 38% below the typical average for this route.

  • What car rental options are available at Billings Logan Intl Airport (BIL)?

    Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:

    • Rent-A-Wreck
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from Seattle to Billings?

    Flights from Seattle to Billings usually depart from Seattle/Tacoma Intl (SEA) and arrive at Billings Logan Intl (BIL).

  • Which airports do connecting flights from Seattle to Billings pass through?

    Connecting flights from Seattle to Billings most commonly pass through:

    • Denver Intl (DEN) - 60% of one-stop connections
    • Salt Lake City (SLC) - 40% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Billings?

    Yes. Flexible dates can save you up to 50% on flights from Seattle to Billings. Tuesday is the cheapest departure day at $252 round-trip on average, while Sunday is the most expensive at $502, a difference of $250.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Seattle to Billings?

    Only Alaska Airlines operates flights between Seattle and Billings.

  • How much time can I save by choosing a different layover airport from Seattle to Billings?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 32m, compared with 5h 36m via Salt Lake City (SLC).

  • What is the time difference between Seattle and Billings?

    Billings is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Seattle to Billings flights?

    Among airlines operating Seattle to Billings flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Seattle to Billings flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Seattle to Billings flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $252, about $250 less than Sunday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Billings trip for January. Fares historically average $167 round-trip in that month - typically $335 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Salt Lake City Airport (SLC) can be cheaper than flying direct. The cheapest layover option averages $321 round-trip on this route - about $44 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Billings Logan Intl Airport.

    • Hilltop Inn by Riversage

Prefer to fly direct from Seattle to Billings?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Billings Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Billings Logan Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Billings Logan Intl to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

More options for your flight from Seattle to Billings

Complete your trip to Billings with a hotel stay or car rental

Car rentals in Billings
Hotels in Billings
Vacations in Billings