Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$53 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 6/19. 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 6/17
Mon 6/24

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

In the last 7 days travelers have searched 41,904,688 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

$53
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

9/4Wed
1 stopSpirit Airlines
12h 10mBOI-SEA
9/10Tue
1 stopSpirit Airlines
7h 34mSEA-BOI
$115
8/27Tue
1 stopSpirit Airlines
10h 46mBOI-SEA
9/7Sat
1 stopSpirit Airlines
7h 34mSEA-BOI
$121
9/4Wed
1 stop
10h 46mBOI-SEA
9/10Tue
nonstop
1h 25mSEA-BOI
$126
8/27Tue
nonstop
1h 33mBOI-SEA
9/7Sat
1 stop
9h 12mSEA-BOI
$133
9/4Wed
nonstopAlaska Airlines
1h 32mBOI-SEA
9/10Tue
nonstopAlaska Airlines
1h 23mSEA-BOI
$137
6/11Tue
nonstopDelta
1h 16mGEG-SEA
6/12Wed
nonstopDelta
1h 08mSEA-GEG
$137
8/27Tue
nonstopAlaska Airlines
1h 32mBOI-SEA
9/7Sat
nonstopAlaska Airlines
1h 23mSEA-BOI
$147
6/8Sat
nonstopDelta
1h 17mGEG-SEA
6/15Sat
nonstopDelta
1h 13mSEA-GEG
$157
7/8Mon
1 stopUnited Airlines
6h 47mBOI-SEA
7/12Fri
1 stopUnited Airlines
7h 57mSEA-BOI
$283
8/15Thu
1 stopUnited Airlines
6h 47mBOI-SEA
8/21Wed
2 stopsUnited Airlines
13h 17mSEA-BOI
$360

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/19Wed
1 stopSpirit Airlines
12h 19mBOI-SEA
$53
6/4Tue
1 stopSpirit Airlines
12h 17mBOI-SEA
$57
6/18Tue
nonstopAlaska Airlines
1h 11mGEG-SEA
$69
6/22Sat
nonstopAlaska Airlines
1h 11mGEG-SEA
$79
6/19Wed
nonstopDelta
1h 37mBOI-SEA
$79
6/10Mon
1 stopDelta
6h 44mJAC-SEA
$84
6/16Sun
1 stop
15h 18mBOI-SEA
$96
6/16Sun
1 stop
15h 18mBOI-SEA
$103
7/21Sun
1 stopSun Country Air
13h 21mGEG-SEA
$160
6/20Thu
1 stopSun Country Air
14h 03mGEG-SEA
$188

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Seattle

Last minute flight, train and bus deals

5/23Thu
multi-stopSpirit Airlines
24h 39mBOI-SEA
6/4Tue
multi-stopSpirit Airlines
5h 55mSEA-BOI
$209
5/23Thu
multi-stopSpirit Airlines
24h 39mBOI-SEA
5/28Tue
multi-stopSpirit Airlines
21h 16mSEA-BOI
$214
5/23Thu
nonstop
1h 29mBOI-SEA
6/4Tue
multi-stop
5h 55mSEA-BOI
$239
5/20Mon
nonstop
1h 31mBOI-SEA
6/4Tue
multi-stop
5h 55mSEA-BOI
$274
5/23Thu
nonstopAlaska Airlines
1h 29mBOI-SEA
6/3Mon
nonstopAlaska Airlines
1h 25mSEA-BOI
$347
5/23Thu
nonstopAlaska Airlines
1h 27mBOI-SEA
6/4Tue
multi-stopAlaska Airlines
3h 07mSEA-BOI
$356
5/23Thu
nonstopDelta
1h 40mBOI-SEA
5/28Tue
nonstopDelta
1h 32mSEA-BOI
$397
5/23Thu
nonstopDelta
1h 17mGEG-SEA
5/26Sun
nonstopDelta
1h 12mSEA-GEG
$457
5/21Tue
multi-stopUnited Airlines
8h 38mJAC-SEA
5/22Wed
multi-stopUnited Airlines
9h 29mSEA-JAC
$483
5/22Wed
multi-stopUnited Airlines
7h 37mJAC-SEA
5/23Thu
multi-stopUnited Airlines
5h 39mSEA-JAC
$550

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Idaho

Cabin classes:

$346
$958
$578
$220