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$59 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 6/4. 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
Fri 6/14
Fri 6/21

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In the last 7 days travelers have searched 42,393,389 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$59
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

6/11Tue
1 stopSpirit Airlines
12h 19mBOI-SEA
6/25Tue
1 stopSpirit Airlines
5h 50mSEA-BOI
$107
6/11Tue
1 stopSpirit Airlines
12h 19mBOI-SEA
6/18Tue
1 stopSpirit Airlines
16h 32mSEA-BOI
$118
6/11Tue
1 stop
12h 19mBOI-SEA
6/18Tue
nonstop
1h 24mSEA-BOI
$119
6/11Tue
nonstopAlaska Airlines
1h 09mGEG-SEA
6/18Tue
nonstopAlaska Airlines
1h 08mSEA-GEG
$137
8/28Wed
nonstop
1h 32mBOI-SEA
9/4Wed
1 stop
11h 31mSEA-BOI
$138
6/8Sat
nonstopAlaska Airlines
1h 07mGEG-SEA
6/12Wed
nonstopAlaska Airlines
1h 04mSEA-GEG
$147
6/5Wed
nonstopDelta
1h 17mGEG-SEA
6/10Mon
nonstopDelta
1h 11mSEA-GEG
$157
6/12Wed
nonstopDelta
1h 15mGEG-SEA
6/28Fri
nonstopDelta
1h 10mSEA-GEG
$167
6/5Wed
1 stopUnited Airlines
6h 54mBOI-SEA
6/8Sat
2 stopsUnited Airlines
9h 08mSEA-BOI
$436
6/11Tue
1 stopUnited Airlines
6h 54mBOI-SEA
6/18Tue
2 stopsUnited Airlines
16h 07mSEA-BOI
$445

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/4Tue
1 stopSpirit Airlines
12h 17mBOI-SEA
$59
7/16Tue
1 stopSpirit Airlines
11h 49mBOI-SEA
$68
6/18Tue
nonstopAlaska Airlines
1h 11mGEG-SEA
$69
6/12Wed
nonstopAlaska Airlines
1h 31mBOI-SEA
$79
6/4Tue
1 stopDelta
5h 56mJAC-SEA
$84
6/14Fri
nonstopDelta
1h 23mGEG-SEA
$99
8/15Thu
1 stopUnited Airlines
6h 47mBOI-SEA
$114
5/30Thu
2 stops
20h 45mBOI-SEA
$135
6/9Sun
1 stop
22h 49mGEG-SEA
$138
5/29Wed
1 stopUnited Airlines
7h 52mJAC-SEA
$159

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Seattle

Last minute flight, train and bus deals

5/19Sun
multi-stopSpirit Airlines
12h 55mBOI-SEA
5/26Sun
multi-stopSpirit Airlines
9h 25mSEA-BOI
$307
5/19Sun
multi-stopSpirit Airlines
12h 55mBOI-SEA
5/26Sun
multi-stopSpirit Airlines
9h 25mSEA-BOI
$317
5/18Sat
multi-stopAlaska Airlines
6h 31mBOI-SEA
5/18Sat
nonstopAlaska Airlines
1h 25mSEA-BOI
$328
5/16Thu
nonstopAlaska Airlines
1h 13mGEG-SEA
6/1Sat
nonstopAlaska Airlines
1h 10mSEA-GEG
$347
5/17Fri
multi-stop
12h 30mBOI-SEA
5/24Fri
nonstop
1h 25mSEA-BOI
$367
5/17Fri
multi-stop
12h 30mBOI-SEA
5/24Fri
multi-stop
21h 24mSEA-BOI
$375
5/20Mon
nonstopDelta
1h 19mGEG-SEA
5/22Wed
nonstopDelta
1h 09mSEA-GEG
$432
5/16Thu
nonstopDelta
1h 40mBOI-SEA
5/21Tue
nonstopDelta
1h 32mSEA-BOI
$462
5/17Fri
multi-stopUnited Airlines
6h 32mBOI-SEA
5/18Sat
multi-stopUnited Airlines
7h 05mSEA-BOI
$486
5/18Sat
multi-stopUnited Airlines
6h 32mBOI-SEA
5/18Sat
multi-stopUnited Airlines
18h 31mSEA-BOI
$687

Search by stops

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Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Idaho

Cabin classes:

$346
$958
$578
$220