$783+ Cheap flights from Seattle (SEA) to Grimsby (HUY)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HUY
Oct 11 — Oct 181
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Grimsby
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Grimsby (HUY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.
Round-trip from | $783 (KLM) |
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Find flight deals from Seattle to Grimsby
Cheapest flights from Seattle to GrimsbyExplore the most affordable flight options available from Seattle to Grimsby. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
Explore the most affordable flight options available from Seattle to Grimsby. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:10 pmSEA - HUY
1 stop23h 15mKLM
Mon 10/65:35 pmHUY - SEA
1 stop26h 15mKLM
Deal found 9/11![KLM logo]()
$783
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:10 amSEA - HUY
2 stops18h 10mDelta
Mon 10/66:10 amHUY - SEA
1 stop17h 55mDelta
Deal found 9/11![Delta logo]()
$877
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Grimsby 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Grimsby that are best for you.
Fly from
Seattle
Fly to
Grimsby
Route
Depart
Return
Price
SeattleGrimsby
SEA - HUY
SEAHUY
Seattle/Tacoma Intl
Wed 10/1
2:10 pm-9:25 pm
1 stop23h 15m
Grimsby Humberside
Mon 10/6
5:35 pm-11:50 am
1 stop26h 15m
$783
SeattleGrimsby
SEA - HUY
SEAHUY
Seattle/Tacoma Intl
Wed 10/1
7:10 am-9:20 am
2 stops18h 10m
Grimsby Humberside
Mon 10/6
6:10 am-4:05 pm
1 stop17h 55m
$877
Best time to book a flight from Seattle to Grimsby
Have a flexible travel schedule? Discover the best time to fly to Grimsby from Seattle 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.