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Grimsby

$867+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HUY
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Seattle to Grimsby

Best flights from Seattle to Grimsby
Discover carefully curated flight deals from Seattle to Grimsby that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 10/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:00 pmSEA - HUY
2 stops21h 00mVirgin Atlantic
Mon 4/275:35 pmHUY - SEA
1 stop30h 15mVirgin Atlantic
Deal found 10/25$867
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 4/235:35 pmSEA - HUY
1 stop15h 25mDelta
Mon 4/279:50 amHUY - SEA
1 stop33h 45mDelta
Deal found 10/27$898
This Air France deal was found by Cheapflights users on 10/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:35 pmSEA - HUY
1 stop31h 45mAir France
Mon 4/275:35 pmHUY - SEA
1 stop30h 15mAir France
Deal found 10/26$915

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 October 28, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$867
(Virgin Atlantic)
Provider with most accurate pricing for Seattle/Tacoma Intl-Grimsby Humberside flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Grimsby Humberside flights.
Search Deals
From Seattle/Tacoma Intl to Grimsby Humberside
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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 October 28, 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

Thu 4/23

12:00 pm-5:00 pm

2 stops21h 00m

Grimsby Humberside

Mon 4/27

5:35 pm-3:50 pm

1 stop30h 15m

$867

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 4/23

5:35 pm-5:00 pm

1 stop15h 25m

Grimsby Humberside

Mon 4/27

9:50 am-11:35 am

1 stop33h 45m

$898

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 4/23

5:35 pm-9:20 am

1 stop31h 45m

Grimsby Humberside

Mon 4/27

5:35 pm-3:50 pm

1 stop30h 15m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

  • Most accurate provider: When it comes to deals on Seattle-Grimsby flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-Grimsby flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Seattle-Grimsby flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Grimsby flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Grimsby flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Grimsby

What is the cheapest month to book a flight from Seattle to Grimsby?

Currently, November is the cheapest month in which you can book a flight from Seattle to Grimsby (average of $459). Flying from Seattle to Grimsby in July is currently the most expensive (average of $685). 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 Seattle to Grimsby. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Grimsby?

    Virgin Atlantic and Delta can get you from Seattle to Grimsby in just under 15h 25m. Your travel time can differ by up to 5h 35m. The distance between Seattle and Grimsby is about 4671 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to Grimsby that include hotel bookings?

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

  • How can I find direct flights from Seattle to Grimsby?

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

  • Can I find deals for business class flights from Seattle to Grimsby?

    Yes. Cheapflights offers flight deals from Seattle to Grimsby 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 Seattle to Grimsby?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Grimsby (average of $459). Flying from Seattle to Grimsby in July is currently the most expensive (average of $685). 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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