Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$49 Find cheap flights from Idaho to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/19
Wed 6/26

Search hundreds of travel sites at once for deals on flights to Seattle

In the last 7 days travelers have searched 41,611,298 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$49
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Boise to Seattle

FAQs for booking flights from Idaho to Seattle

  • How does KAYAK find such low prices on flights from Idaho to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to Seattle?

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

Nonstop departures

Idaho to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Idaho

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Seattle

Recent round-trip flight deals

6/18Tue
1 stopSpirit Airlines
12h 19mBOI-SEA
6/25Tue
1 stopSpirit Airlines
5h 50mSEA-BOI
$116
6/18Tue
1 stop
12h 19mBOI-SEA
6/25Tue
nonstop
1h 25mSEA-BOI
$128
10/16Wed
nonstopAlaska Airlines
1h 14mGEG-SEA
10/16Wed
nonstopAlaska Airlines
1h 03mSEA-GEG
$131
6/5Wed
1 stopSpirit Airlines
12h 19mBOI-SEA
6/8Sat
1 stopSpirit Airlines
10h 36mSEA-BOI
$135
6/12Wed
nonstopAlaska Airlines
1h 09mGEG-SEA
6/19Wed
nonstopAlaska Airlines
1h 08mSEA-GEG
$137
9/17Tue
nonstopDelta
1h 44mBOI-SEA
10/16Wed
nonstopDelta
1h 29mSEA-BOI
$137
8/29Thu
nonstopDelta
1h 14mGEG-SEA
9/3Tue
nonstopDelta
1h 16mSEA-GEG
$147
11/9Sat
nonstopUndisclosed Carrier
1h 18mGEG-SEA
2/15Sat
nonstopUndisclosed Carrier
1h 04mSEA-GEG
$182
7/16Tue
1 stopUnited Airlines
6h 37mBOI-SEA
7/24Wed
1 stopUnited Airlines
5h 48mSEA-BOI
$306
7/16Tue
1 stopUnited Airlines
6h 37mBOI-SEA
7/19Fri
1 stopUnited Airlines
7h 46mSEA-BOI
$336

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/18Tue
1 stopSpirit Airlines
12h 19mBOI-SEA
$49
6/19Wed
1 stopSpirit Airlines
12h 19mBOI-SEA
$52
8/21Wed
nonstopDelta
1h 40mBOI-SEA
$69
8/17Sat
nonstopDelta
1h 14mGEG-SEA
$69
6/18Tue
nonstopAlaska Airlines
1h 33mBOI-SEA
$79
6/22Sat
nonstopAlaska Airlines
1h 12mGEG-SEA
$79
6/9Sun
1 stop
15h 18mBOI-SEA
$95
8/22Thu
1 stop
8h 50mGEG-SEA
$117
7/3Wed
1 stopUnited Airlines
7h 23mJAC-SEA
$228
8/21Wed
2 stopsUnited Airlines
16h 57mGEG-SEA
$242

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Seattle

Last minute flight, train and bus deals

5/22Wed
multi-stopSpirit Airlines
12h 59mBOI-SEA
5/26Sun
multi-stopSpirit Airlines
9h 25mSEA-BOI
$273
5/22Wed
nonstop
1h 29mBOI-SEA
5/26Sun
multi-stop
9h 25mSEA-BOI
$313
5/21Tue
nonstopDelta
1h 20mLWS-SEA
5/28Tue
nonstopDelta
1h 17mSEA-LWS
$369
5/21Tue
multi-stopDelta
5h 21mLWS-SEA
5/28Tue
nonstopDelta
1h 17mSEA-LWS
$379
5/24Fri
nonstopAlaska Airlines
1h 29mBOI-SEA
5/28Tue
nonstopAlaska Airlines
1h 30mSEA-BOI
$432
5/24Fri
nonstopAlaska Airlines
1h 29mBOI-SEA
5/28Tue
multi-stopAlaska Airlines
22h 59mSEA-BOI
$464
5/24Fri
multi-stopUnited Airlines
7h 30mJAC-SEA
5/27Mon
multi-stopUnited Airlines
5h 39mSEA-JAC
$548
5/23Thu
multi-stopAmerican Airlines
10h 00mJAC-SEA
5/26Sun
multi-stopAmerican Airlines
7h 47mSEA-JAC
$598
5/21Tue
multi-stopUnited Airlines
19h 25mLWS-SEA
5/28Tue
multi-stopUnited Airlines
11h 08mSEA-LWS
$630
5/22Wed
multi-stopAmerican Airlines
9h 39mJAC-SEA
5/23Thu
multi-stopAmerican Airlines
8h 42mSEA-JAC
$688

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Idaho

Cabin classes:

$442
$958
$541
$218