Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$61 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 5/15. 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
Mon 6/3
Mon 6/10

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

In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

Save 22% 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

$61
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
12h 30mBOI-SEA
6/4Tue
1 stopSpirit Airlines
9h 50mSEA-BOI
$100
5/28Tue
nonstop
1h 31mBOI-SEA
6/4Tue
1 stop
9h 50mSEA-BOI
$119
5/25Sat
nonstopDelta
1h 19mGEG-SEA
5/29Wed
nonstopDelta
1h 12mSEA-GEG
$147
5/25Sat
1 stopAlaska Airlines
4h 08mGEG-SEA
5/29Wed
nonstopAlaska Airlines
0h 59mSEA-GEG
$156
5/28Tue
nonstopAlaska Airlines
1h 31mBOI-SEA
6/4Tue
nonstopAlaska Airlines
1h 30mSEA-BOI
$157
5/29Wed
nonstopDelta
1h 34mBOI-SEA
6/1Sat
nonstopDelta
1h 27mSEA-BOI
$167
7/25Thu
1 stopUnited Airlines
6h 47mBOI-SEA
8/16Fri
1 stopUnited Airlines
5h 48mSEA-BOI
$286
9/7Sat
1 stopUnited Airlines
7h 13mBOI-SEA
9/9Mon
1 stopUnited Airlines
6h 10mSEA-BOI
$291
6/9Sun
2 stopsAmerican Airlines
10h 35mGEG-SEA
6/15Sat
2 stopsAmerican Airlines
14h 30mSEA-GEG
$1,072
6/20Thu
2 stopsAmerican Airlines
16h 14mIDA-SEA
6/23Sun
2 stopsAmerican Airlines
12h 13mSEA-IDA
$1,092

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/15Wed
1 stopSpirit Airlines
12h 59mBOI-SEA
$61
5/28Tue
1 stopSpirit Airlines
12h 30mBOI-SEA
$65
6/4Tue
nonstopDelta
1h 16mGEG-SEA
$69
6/1Sat
nonstopDelta
1h 15mGEG-SEA
$79
5/28Tue
nonstopAlaska Airlines
1h 31mBOI-SEA
$79
6/4Tue
1 stopAlaska Airlines
5h 19mGEG-SEA
$83
7/2Tue
1 stopUnited Airlines
6h 47mBOI-SEA
$93
5/18Sat
1 stopUnited Airlines
7h 28mBOI-SEA
$123
5/26Sun
1 stop
15h 30mBOI-SEA
$131
6/6Thu
1 stop
10h 26mGEG-SEA
$133

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Seattle

Last minute flight, train and bus deals

5/9Thu
multi-stopSpirit Airlines
12h 55mBOI-SEA
5/13Mon
multi-stopSpirit Airlines
21h 45mSEA-BOI
$243
5/9Thu
multi-stopSpirit Airlines
12h 55mBOI-SEA
5/10Fri
multi-stopSpirit Airlines
17h 24mSEA-BOI
$244
5/9Thu
nonstopAlaska Airlines
1h 08mGEG-SEA
6/10Mon
nonstopAlaska Airlines
1h 04mSEA-GEG
$252
5/9Thu
nonstopAlaska Airlines
1h 08mGEG-SEA
6/10Mon
multi-stopAlaska Airlines
2h 47mSEA-GEG
$261
5/9Thu
multi-stop
12h 55mBOI-SEA
5/12Sun
multi-stop
21h 30mSEA-BOI
$320
5/9Thu
multi-stop
9h 44mBOI-SEA
5/15Wed
multi-stop
5h 55mSEA-BOI
$325
5/9Thu
nonstopDelta
1h 20mGEG-SEA
5/11Sat
nonstopDelta
1h 14mSEA-GEG
$327
5/7Tue
nonstopDelta
1h 33mBOI-SEA
5/11Sat
nonstopDelta
1h 27mSEA-BOI
$357
5/5Sun
multi-stopUnited Airlines
7h 28mBOI-SEA
5/7Tue
multi-stopUnited Airlines
7h 05mSEA-BOI
$476
5/5Sun
multi-stopUnited Airlines
7h 28mBOI-SEA
5/7Tue
multi-stopUnited Airlines
15h 15mSEA-BOI
$686

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