When did momondo last update prices for flights from Quincy Regional Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Quincy Regional Airport to Seattle/Tacoma Intl Airport were last updated today.

How old do you have to be to fly from Quincy Regional Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Quincy Regional Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$774 Cheap Flights from Quincy, Illinois to Seattle in 2026/27

Find the cheapest flights from Quincy, Illinois to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 8:37 amUIN Quincy Regional-SEA Seattle/Tacoma Intl

19h 02m1 stop Chicago O'Hare Intl

10:33 am - 1:55 pmSEA Seattle/Tacoma Intl-UIN Quincy Regional

25h 22m1 stop Chicago O'Hare Intl

$774Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

9:55 am - 11:44 amUIN Quincy Regional-SEA Seattle/Tacoma Intl

27h 49m1 stop Chicago O'Hare Intl

5:49 pm - 1:55 pmSEA Seattle/Tacoma Intl-UIN Quincy Regional

18h 06m1 stop Chicago O'Hare Intl

$794Multiple Airlines

Mon, Oct 12 - Fri, Oct 16

3:35 pm - 8:37 amUIN Quincy Regional-SEA Seattle/Tacoma Intl

19h 02m1 stop Chicago O'Hare Intl

7:20 am - 9:25 amSEA Seattle/Tacoma Intl-UIN Quincy Regional

24h 05m2 stops Portland Nashville Intl

$884Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

9:55 am - 9:59 pmUIN Quincy Regional-SEA Seattle/Tacoma Intl

14h 04m1 stop Chicago O'Hare Intl

10:15 pm - 1:55 pmSEA Seattle/Tacoma Intl-UIN Quincy Regional

13h 40m2 stops New York John F Kennedy Intl Chicago O'Hare Intl

$1,072Multiple Airlines

Mon, Oct 12 - Fri, Oct 16

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Use the filters below to find and compare flights from Quincy, Illinois to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

QuincySeattle

UIN Quincy Regional - SEA Seattle/Tacoma Intl

UINSEA

Quincy Regional

Sat 10/17

3:35 pm-8:37 am

1 stop19h 02m

Seattle/Tacoma Intl

Wed 10/21

10:33 am-1:55 pm

1 stop25h 22m

$774

QuincySeattle

UIN Quincy Regional - SEA Seattle/Tacoma Intl

UINSEA

Quincy Regional

Mon 10/12

9:55 am-11:44 am

1 stop27h 49m

Seattle/Tacoma Intl

Fri 10/16

5:49 pm-1:55 pm

1 stop18h 06m

$794

QuincySeattle

UIN Quincy Regional - SEA Seattle/Tacoma Intl

UINSEA

Quincy Regional

Sat 10/17

3:35 pm-8:37 am

1 stop19h 02m

Seattle/Tacoma Intl

Wed 10/21

7:20 am-9:25 am

2 stops24h 05m

$884

Quickest round-trip

QuincySeattle

UIN Quincy Regional - SEA Seattle/Tacoma Intl

UINSEA

Quincy Regional

Mon 10/12

9:55 am-9:59 pm

1 stop14h 04m

Seattle/Tacoma Intl

Fri 10/16

10:15 pm-1:55 pm

2 stops13h 40m

$1,072

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Quincy, Illinois to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Seattle?

Alaska Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Seattle from Quincy, Illinois according to our data. Alaska Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When to book flights from Quincy, Illinois to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Quincy, Illinois to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Quincy, Illinois to Seattle (UIN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Quincy, Illinois to Seattle

Best Price Found	$774
Fastest flight time	27h 49m
Direct flights	None

The best flight deal from Quincy, Illinois to Seattle found on momondo in the last 72 hours is $774

The fastest flight from Quincy, Illinois to Seattle takes 27h 49m

There are no direct flights from Quincy, Illinois to Seattle. There are no popular flight routes from Quincy, Illinois to Seattle.

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Frequently asked questions about flying from Quincy, Illinois to Seattle

How far is Quincy Regional to Seattle/Tacoma Intl by plane?
There are 1617.9 mi between Quincy Regional and Seattle/Tacoma Intl. By plane, this route typically takes 27h 49m.
When did momondo last update prices for flights from Quincy Regional Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Quincy Regional Airport to Seattle/Tacoma Intl Airport were last updated today.
How old do you have to be to fly from Quincy Regional Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Quincy Regional Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Quincy to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Quincy.

Can I find flights from Quincy to Seattle with flexible booking policies on momondo?

All flight searches from Quincy to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Quincy to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Quincy. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Quincy to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Quincy to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.