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$474+ Cheap flights from Quincy, IL (UIN) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
UIN — SEA
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Quincy to Washington

Cheapest flights from Quincy to Washington
Explore the most affordable flight options available from Quincy to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:50 am
UIN
-
SEA
1 stop12h 26m
Multiple Airlines
Fri 2/278:00 am
SEA
-
UIN
1 stop10h 50m
Multiple Airlines
Deal found 2/8$474
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:45 am
UIN
-
SEA
2 stops16h 14m
Multiple Airlines
Mon 6/296:00 am
SEA
-
UIN
1 stop13h 00m
Multiple Airlines
Deal found 2/10$533
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:50 am
UIN
-
SEA
2 stops13h 11m
Multiple Airlines
Thu 2/266:00 am
SEA
-
UIN
1 stop8h 00m
Multiple Airlines
Deal found 2/9$616
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:45 am
UIN
-
SEA
1 stop12h 47m
Multiple Airlines
Tue 5/199:58 pm
SEA
-
UIN
2 stops16h 07m
Multiple Airlines
Deal found 2/10$644
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:50 am
UIN
-
SEA
1 stop10h 50m
Multiple Airlines
Sat 2/2810:48 pm
SEA
-
UIN
2 stops20h 02m
Multiple Airlines
Deal found 2/9$672

Find flight deals from Quincy to Washington

Keep the following information in mind while searching for Quincy to Washington flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$474
(Expedia)
Provider with most accurate pricing for Quincy Regional-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Quincy Regional-Seattle/Tacoma Intl flights.
Search Deals
From Quincy Regional to Washington
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quincy to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Quincy to Washington that are best for you.

Fly from

Quincy

Fly to

Washington

Route

Depart

Return

Price

QuincySeattle

UIN - SEA

UINSEA

Quincy Regional

Mon 2/23

9:50 am-8:16 pm

1 stop12h 26m

Seattle/Tacoma Intl

Thu 2/26

6:00 am-4:00 pm

1 stop8h 00m

$474

QuincySeattle

UIN - SEA

UINSEA

Quincy Regional

Thu 6/25

9:45 am-11:59 pm

2 stops16h 14m

Seattle/Tacoma Intl

Mon 6/29

6:00 am-9:00 pm

1 stop13h 00m

$533

QuincySeattle

UIN - SEA

UINSEA

Quincy Regional

Tue 5/5

9:45 am-8:32 pm

1 stop12h 47m

Seattle/Tacoma Intl

Tue 5/19

9:58 pm-4:05 pm

2 stops16h 07m

$644

QuincySeattle

UIN - SEA

UINSEA

Quincy Regional

Tue 2/24

9:50 am-6:40 pm

1 stop10h 50m

Seattle/Tacoma Intl

Sat 2/28

10:48 pm-8:50 pm

2 stops20h 02m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Best time to book a flight from Quincy to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Quincy with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Quincy to Washington

What is the cheapest month to book a flight from Quincy, Illinois to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Quincy, Illinois to State of Washington (average of $112). Flying from Quincy, Illinois to State of Washington in August is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Quincy to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Quincy to Washington?

    Quincy Regional (UIN) is the airport you will fly out of if you book a flight from Quincy to Washington. It is only a 11.4 mi journey to Quincy Regional (UIN) from Quincy’s city center.

  • Can I find deals for flights from Quincy to Washington that include hotel bookings?

    Yes. In addition to deals on Quincy to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Quincy to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quincy to Washington.

  • Can I find deals for business class flights from Quincy to Washington?

    Yes. Cheapflights offers flight deals from Quincy to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Quincy, Illinois to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Quincy, Illinois to State of Washington (average of $112). Flying from Quincy, Illinois to State of Washington in August is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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