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Find deals on international flights to Seattle from $43

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 5/29. 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
qui 5/23
qui 5/30

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In the last 7 days travelers have searched 44,632,927 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$43
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Ontario to Seattle

FAQs for booking Worldwide to Seattle flights

  • How does KAYAK find such low prices on flights from Worldwide 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 Worldwide to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Worldwide 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 Worldwide 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 Worldwide with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide 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 Worldwide 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 Worldwide to Seattle?

Nonstop departures

Worldwide 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, +63 more

ANA, Aer Lingus, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 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 Worldwide

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, +63 more

ANA, Aer Lingus, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 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 Worldwide to Seattle

Recent round-trip flight deals

5/29qua
nonstopFrontier
2h 53mONT-SEA
6/4ter
nonstopFrontier
2h 44mSEA-ONT
$43
10/1ter
nonstopFrontier
2h 47mONT-SEA
10/8ter
nonstopFrontier
2h 37mSEA-ONT
$44
5/21ter
1 stop
10h 02mLAX-SEA
5/22qua
1 stop
12h 08mSEA-LAX
$106
5/18sáb
1 stop
7h 23mLAX-SEA
5/20seg
1 stop
10h 19mSEA-LAX
$116
5/22qua
1 stopSpirit Airlines
12h 15mLAX-SEA
5/29qua
1 stopSpirit Airlines
12h 17mSEA-LAX
$125
5/22qua
1 stopSpirit Airlines
12h 15mLAX-SEA
5/29qua
1 stopSpirit Airlines
12h 17mSEA-LAX
$126
6/18ter
nonstopAlaska Airlines
2h 12mSFO-SEA
6/26qua
nonstopAlaska Airlines
2h 15mSEA-SFO
$134
5/14ter
nonstopAlaska Airlines
4h 34mORD-SEA
5/21ter
nonstopAlaska Airlines
4h 04mSEA-ORD
$139
5/15qua
nonstopDelta
2h 17mSFO-SEA
5/21ter
nonstopDelta
2h 12mSEA-SFO
$139
5/16qui
nonstopDelta
2h 18mSFO-SEA
5/19dom
nonstopDelta
2h 12mSEA-SFO
$167

Search by stops

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Recent one-way flight deals

5/21ter
1 stopSpirit Airlines
10h 02mLAX-SEA
$47
5/8qua
1 stopFrontier
19h 01mLAX-SEA
$52
6/11ter
1 stopAlaska Airlines
3h 34mSFO-SEA
$69
5/14ter
nonstopAlaska Airlines
4h 34mORD-SEA
$70
5/22qua
nonstopDelta
2h 17mSFO-SEA
$70
6/22sáb
nonstopDelta
2h 17mSFO-SEA
$79
6/4ter
nonstopUnited Airlines
2h 45mLAX-SEA
$80
5/10sex
1 stopSun Country Air
16h 00mORD-SEA
$101
5/25sáb
1 stopSun Country Air
7h 55mDFW-SEA
$106
5/5dom
1 stopUnited Airlines
8h 38mORD-SEA
$109

Search by stops

Search by airline

Search by price

Last minute flights from Worldwide to Seattle

Last minute flight, train and bus deals

4/24qua
multi-stopFrontier
9h 45mONT-SEA
4/27sáb
multi-stopFrontier
8h 59mSEA-ONT
$96
4/28dom
multi-stopFrontier
9h 56mONT-SEA
5/22qua
nonstopFrontier
2h 44mSEA-ONT
$119
4/25qui
multi-stopSpirit Airlines
14h 14mLAX-SEA
4/30ter
multi-stopSpirit Airlines
11h 17mSEA-LAX
$217
4/24qua
multi-stop
19h 01mLAX-SEA
4/27sáb
multi-stop
6h 43mSEA-LAX
$229
4/27sáb
multi-stopSpirit Airlines
7h 07mLAX-SEA
4/30ter
multi-stopSpirit Airlines
17h 54mSEA-LAX
$230
4/24qua
multi-stop
15h 55mLAX-SEA
5/1qua
multi-stop
26h 42mSEA-LAX
$240
4/27sáb
multi-stopSun Country Air
23h 00mBOS-SEA
5/1qua
multi-stopSun Country Air
14h 48mSEA-BOS
$270
4/28dom
nonstopDelta
6h 10mJFK-SEA
4/30ter
nonstopDelta
5h 28mSEA-JFK
$287
4/27sáb
multi-stopSun Country Air
23h 10mJFK-SEA
5/1qua
multi-stopSun Country Air
14h 44mSEA-JFK
$331
4/24qua
multi-stopDelta
6h 58mSFO-SEA
7/30ter
nonstopDelta
2h 14mSEA-SFO
$372

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Worldwide

Cabin classes:

$214
$318
$190
$68