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$65 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 5/28. 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
Sun 6/2
Sun 6/9

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In the last 7 days travelers have searched 43,693,958 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$65
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 22% 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, +60 more

ANA, Aer Lingus, +61 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, +60 more

ANA, Aer Lingus, +61 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

5/28Tue
1 stopSpirit Airlines
16h 25mBOI-SEA
6/4Tue
1 stopSpirit Airlines
16h 33mSEA-BOI
$109
5/14Tue
1 stopSpirit Airlines
12h 30mBOI-SEA
5/18Sat
1 stopSpirit Airlines
5h 29mSEA-BOI
$130
5/28Tue
nonstopDelta
1h 14mGEG-SEA
6/4Tue
nonstopDelta
1h 07mSEA-GEG
$137
5/28Tue
nonstop
1h 31mBOI-SEA
6/4Tue
1 stop
9h 50mSEA-BOI
$138
5/25Sat
nonstopDelta
1h 19mGEG-SEA
5/29Wed
nonstopDelta
1h 12mSEA-GEG
$147
5/28Tue
1 stopAlaska Airlines
3h 25mGEG-SEA
6/4Tue
nonstopAlaska Airlines
0h 59mSEA-GEG
$151
5/25Sat
1 stopAlaska Airlines
4h 08mGEG-SEA
5/29Wed
nonstopAlaska Airlines
0h 59mSEA-GEG
$156
5/22Wed
1 stop
12h 59mBOI-SEA
5/27Mon
nonstop
1h 25mSEA-BOI
$163
5/14Tue
1 stopUnited Airlines
7h 28mBOI-SEA
5/15Wed
1 stopUnited Airlines
5h 25mSEA-BOI
$336
5/14Tue
1 stopUnited Airlines
7h 28mBOI-SEA
5/15Wed
1 stopUnited Airlines
5h 25mSEA-BOI
$366

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/28Tue
1 stopSpirit Airlines
12h 30mBOI-SEA
$65
5/17Fri
1 stopSpirit Airlines
12h 30mBOI-SEA
$66
6/4Tue
nonstopDelta
1h 16mGEG-SEA
$69
6/4Tue
nonstopDelta
1h 19mGEG-SEA
$74
5/28Tue
nonstopAlaska Airlines
1h 31mBOI-SEA
$79
5/28Tue
1 stopAlaska Airlines
2h 48mGEG-SEA
$83
7/31Wed
1 stopUnited Airlines
6h 47mBOI-SEA
$93
8/17Sat
1 stopUnited Airlines
6h 47mBOI-SEA
$103
6/9Sun
1 stop
15h 18mBOI-SEA
$142
6/6Thu
2 stops
17h 39mGEG-SEA
$162

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Seattle

Last minute flight, train and bus deals

5/7Tue
multi-stopSpirit Airlines
12h 30mBOI-SEA
5/14Tue
multi-stopSpirit Airlines
9h 50mSEA-BOI
$306
5/7Tue
nonstopAlaska Airlines
1h 12mGEG-SEA
5/19Sun
nonstopAlaska Airlines
0h 59mSEA-GEG
$307
5/7Tue
nonstopDelta
1h 33mBOI-SEA
5/11Sat
nonstopDelta
1h 27mSEA-BOI
$357
5/8Wed
multi-stop
12h 59mBOI-SEA
5/12Sun
multi-stop
21h 30mSEA-BOI
$367
5/6Mon
nonstopDelta
1h 21mLWS-SEA
5/12Sun
nonstopDelta
1h 17mSEA-LWS
$369
5/7Tue
multi-stop
12h 30mBOI-SEA
5/12Sun
multi-stop
21h 30mSEA-BOI
$389
5/4Sat
multi-stopUnited Airlines
22h 30mBOI-SEA
5/6Mon
multi-stopUnited Airlines
7h 05mSEA-BOI
$676
5/6Mon
multi-stopUnited Airlines
19h 52mGEG-SEA
5/17Fri
multi-stopUnited Airlines
19h 55mSEA-GEG
$943
5/4Sat
multi-stopAmerican Airlines
15h 25mBOI-SEA
5/5Sun
multi-stopAmerican Airlines
10h 30mSEA-BOI
$1,510
5/4Sat
multi-stopAmerican Airlines
15h 25mBOI-SEA
5/5Sun
multi-stopAmerican Airlines
11h 00mSEA-BOI
$1,515

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Idaho

Cabin classes:

$280
$693
$333
$212