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Cheap flights from Washington to Grimsby from $1,040

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Grimsby departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:40 pm - 9:30 pm
SEA
-
HUY
19h 50m
1 stop
KLM Logo
6:10 am - 4:30 pm
HUY
-
SEA
18h 20m
1 stop
$1,040KLM
Thu, May 7 - Thu, May 14
Delta Logo
7:15 am - 9:20 am
SEA
-
HUY
18h 05m
2 stops
Delta Logo
6:10 am - 4:30 pm
HUY
-
SEA
18h 20m
1 stop
$1,045Delta
Thu, May 7 - Thu, May 14
Delta Logo
7:30 am - 9:20 am
SEA
-
HUY
17h 50m
2 stops
Delta Logo
9:50 am - 8:50 pm
HUY
-
SEA
19h 00m
2 stops
$1,055Delta
Thu, May 7 - Thu, May 14

Delta flights from State of Washington to Grimsby

Our best Delta deals on State of Washington to Grimsby flight tickets
Delta
May 7
SEA7:15 amSeattle/Tacoma Intl
18h 05m
2 stops
HUY9:20 amGrimsby Humberside
May 14
HUY6:10 amGrimsby Humberside
18h 20m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$1,045
Delta
May 7
SEA7:30 amSeattle/Tacoma Intl
17h 50m
2 stops
HUY9:20 amGrimsby Humberside
May 14
HUY9:50 amGrimsby Humberside
19h 00m
2 stops
SEA8:50 pmSeattle/Tacoma Intl
$1,055

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Washington to Grimsby that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 5/7

5:40 pm-9:30 pm

1 stop19h 50m

Grimsby Humberside

Thu 5/14

6:10 am-4:30 pm

1 stop18h 20m

$1,040
Quickest round-trip

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 5/7

7:15 am-9:20 am

2 stops18h 05m

Grimsby Humberside

Thu 5/14

6:10 am-4:30 pm

1 stop18h 20m

$1,045

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 5/7

7:30 am-9:20 am

2 stops17h 50m

Grimsby Humberside

Thu 5/14

9:50 am-8:50 pm

2 stops19h 00m

$1,055

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Grimsby from

How to get the cheapest flight ticket from State of Washington to Grimsby

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 Grimsby?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Grimsby from State of Washington according to our data. British Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Grimsby. Keep in mind that there are 6 different airlines that fly to Grimsby on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to Grimsby flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Grimsby

Fastest flight time

19h 50m

Direct flights

None
The fastest flight from State of Washington to Grimsby takes 19h 50m
There are no direct flights from State of Washington to Grimsby. There are no popular flight routes from State of Washington to Grimsby.
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  • When did momondo last update prices for flights from Washington to Grimsby Humberside Airport?

    Prices for flights from Washington to Grimsby Humberside Airport were last updated today.

  • How old do you have to be to fly from Washington to Grimsby Humberside Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Grimsby Humberside Airport.

  • What documentation or ID do you need to fly to Grimsby Humberside Airport?

    The necessary travel and health documents for your Grimsby Humberside Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Grimsby?

Book flights to Grimsby if you plan to visit one of these locations
Skegness
Hull
Driffield

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Grimsby?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Grimsby for you.

Can I find flights from Washington to Grimsby with flexible booking policies on momondo?

Yes. All flights to Grimsby from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Grimsby?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Grimsby from Washington.

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

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

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