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$47 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
mar. 6/18
mar. 6/25

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

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Good to know

Low season

January

High season

July

Cheapest flight

$47
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

9/4mer.
1 stopSpirit Airlines
12h 10mBOI-SEA
9/10mar.
1 stopSpirit Airlines
7h 34mSEA-BOI
$115
8/27mar.
1 stopSpirit Airlines
10h 46mBOI-SEA
9/7sam.
1 stopSpirit Airlines
9h 12mSEA-BOI
$121
5/29mer.
1 stopSpirit Airlines
12h 59mBOI-SEA
6/5mer.
1 stopSpirit Airlines
9h 42mSEA-BOI
$124
9/4mer.
1 stop
10h 46mBOI-SEA
9/10mar.
nonstop
1h 25mSEA-BOI
$126
10/16mer.
nonstopAlaska Airlines
1h 14mGEG-SEA
10/16mer.
nonstopAlaska Airlines
1h 03mSEA-GEG
$131
8/27mar.
nonstop
1h 33mBOI-SEA
9/7sam.
1 stop
9h 12mSEA-BOI
$133
6/12mer.
nonstopAlaska Airlines
1h 09mGEG-SEA
6/19mer.
nonstopAlaska Airlines
1h 08mSEA-GEG
$137
9/25mer.
nonstopDelta
1h 44mBOI-SEA
10/2mer.
nonstopDelta
1h 29mSEA-BOI
$137
8/29jeu.
nonstopDelta
1h 14mGEG-SEA
9/3mar.
nonstopDelta
1h 16mSEA-GEG
$147
11/9sam.
nonstopUndisclosed Carrier
1h 18mGEG-SEA
2/15sam.
nonstopUndisclosed Carrier
1h 04mSEA-GEG
$182

Search by stops

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Recent one-way flight deals

6/18mar.
1 stopSpirit Airlines
12h 19mBOI-SEA
$47
6/18mar.
1 stopSpirit Airlines
12h 19mBOI-SEA
$49
8/20mar.
nonstopDelta
1h 43mBOI-SEA
$69
8/17sam.
nonstopDelta
1h 14mGEG-SEA
$69
6/18mar.
nonstopAlaska Airlines
1h 33mBOI-SEA
$79
6/22sam.
nonstopAlaska Airlines
1h 12mGEG-SEA
$79
7/23mar.
1 stopUnited Airlines
6h 47mBOI-SEA
$88
6/9dim.
1 stop
15h 18mBOI-SEA
$95
6/16dim.
1 stop
15h 18mBOI-SEA
$103
8/21mer.
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

5/23jeu.
multi-stopSpirit Airlines
12h 55mBOI-SEA
5/28mar.
multi-stopSpirit Airlines
21h 16mSEA-BOI
$304
5/22mer.
nonstop
1h 29mBOI-SEA
5/26dim.
multi-stop
9h 25mSEA-BOI
$343
5/21mar.
nonstopDelta
1h 20mLWS-SEA
5/28mar.
nonstopDelta
1h 17mSEA-LWS
$369
5/21mar.
multi-stopDelta
5h 21mLWS-SEA
5/28mar.
nonstopDelta
1h 17mSEA-LWS
$379
5/24ven.
nonstopAlaska Airlines
1h 29mBOI-SEA
5/26dim.
multi-stopAlaska Airlines
4h 58mSEA-BOI
$406
5/23jeu.
nonstopAlaska Airlines
1h 27mBOI-SEA
5/28mar.
nonstopAlaska Airlines
1h 25mSEA-BOI
$432
5/24ven.
multi-stopUnited Airlines
7h 30mJAC-SEA
5/27lun.
multi-stopUnited Airlines
5h 39mSEA-JAC
$548
5/23jeu.
multi-stopAmerican Airlines
10h 00mJAC-SEA
5/26dim.
multi-stopAmerican Airlines
7h 47mSEA-JAC
$598
5/21mar.
multi-stopUnited Airlines
19h 25mLWS-SEA
5/28mar.
multi-stopUnited Airlines
11h 08mSEA-LWS
$630
5/23jeu.
multi-stopAmerican Airlines
21h 53mJAC-SEA
5/26dim.
multi-stopAmerican Airlines
7h 47mSEA-JAC
$908

Search by stops

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Idaho

Cabin classes:

$442
$958
$541
$218