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

Prices for flights from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport.

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

The required travel and health documents for your Grimsby Humberside Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Grimsby Humberside Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£568 Cheap Flights from Seattle to Grimsby in 2025/26

1 adult

0 bags

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Find the cheapest flights from Seattle to Grimsby

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16:00 - 09:20

SEA

HUY

34h 20m1 stop

09:50 - 11:45

HUY

SEA

33h 55m1 stop

£568Delta

Sun, 15 Mar - Mon, 27 Apr

07:15 - 09:20

SEA

HUY

19h 05m2 stops

09:50 - 11:45

HUY

SEA

33h 55m1 stop

£571Delta

Mon, 16 Mar - Mon, 27 Apr

16:00 - 17:10

SEA

HUY

18h 10m1 stop

06:10 - 16:45

HUY

SEA

18h 35m2 stops

£575Air France

Sun, 15 Mar - Fri, 1 May

06:00 - 09:20

SEA

HUY

20h 20m2 stops

06:10 - 23:58

HUY

SEA

25h 48m2 stops

£578Delta

Thu, 12 Mar - Wed, 29 Apr

21:55 - 17:00

SEA

HUY

36h 05m2 stops

06:10 - 11:45

HUY

SEA

13h 35m1 stop

£579Delta

Sat, 14 Mar - Thu, 30 Apr

22:58 - 17:00

SEA

HUY

35h 02m2 stops

09:50 - 20:39

HUY

SEA

18h 49m2 stops

£582Delta

Sat, 14 Mar - Fri, 1 May

16:00 - 09:20

SEA

HUY

34h 20m1 stop

09:50 - 16:30

HUY

SEA

14h 40m1 stop

£605Delta

Sun, 15 Mar - Sat, 2 May

07:20 - 09:20

SEA

HUY

19h 00m2 stops

06:10 - 11:42

HUY

SEA

13h 32m1 stop

£607Delta

Thu, 12 Mar - Fri, 1 May

06:00 - 09:20

SEA

HUY

20h 20m2 stops

09:50 - 16:30

HUY

SEA

14h 40m1 stop

£608Delta

Thu, 12 Mar - Sat, 2 May

06:00 - 09:20

SEA

HUY

20h 20m2 stops

06:10 - 16:45

HUY

SEA

18h 35m2 stops

£615Delta

Thu, 12 Mar - Sun, 3 May

Delta flights from Seattle to Grimsby

Our best Delta deals on Seattle to Grimsby flight tickets

Delta

15 Mar

SEA16:00Seattle/Tacoma Intl

34h 20m

1 stop

HUY09:20Grimsby Humberside

27 Apr

HUY09:50Grimsby Humberside

33h 55m

1 stop

SEA11:45Seattle/Tacoma Intl

£568

Find similar

Delta

16 Mar

SEA06:00Seattle/Tacoma Intl

20h 20m

2 stops

HUY09:20Grimsby Humberside

1 May

HUY09:50Grimsby Humberside

14h 40m

1 stop

SEA16:30Seattle/Tacoma Intl

£571

Find similar

Delta

12 Mar

SEA07:20Seattle/Tacoma Intl

19h 00m

2 stops

HUY09:20Grimsby Humberside

1 May

HUY06:10Grimsby Humberside

23h 49m

2 stops

SEA21:59Seattle/Tacoma Intl

£578

Find similar

KLM flights from Seattle to Grimsby

Our best KLM deals on Seattle to Grimsby flight tickets

KLM

14 Mar

SEA19:25Seattle/Tacoma Intl

18h 55m

2 stops

HUY21:20Grimsby Humberside

30 Apr

HUY09:50Grimsby Humberside

17h 55m

2 stops

SEA19:45Seattle/Tacoma Intl

£767

Find similar

KLM

14 Mar

SEA16:00Seattle/Tacoma Intl

17h 40m

1 stop

HUY16:40Grimsby Humberside

1 May

HUY06:10Grimsby Humberside

18h 20m

1 stop

SEA16:30Seattle/Tacoma Intl

£856

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Sun 15/3

16:00-09:20

1 stop34h 20m

Grimsby Humberside

Mon 27/4

09:50-11:45

1 stop33h 55m

£568

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Mon 16/3

07:15-09:20

2 stops19h 05m

Grimsby Humberside

Mon 27/4

09:50-11:45

1 stop33h 55m

£571

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Sun 15/3

16:00-17:10

1 stop18h 10m

Grimsby Humberside

Fri 1/5

06:10-16:45

2 stops18h 35m

£575

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 12/3

06:00-09:20

2 stops20h 20m

Grimsby Humberside

Wed 29/4

06:10-23:58

2 stops25h 48m

£578

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Sat 14/3

21:55-17:00

2 stops36h 05m

Grimsby Humberside

Thu 30/4

06:10-11:45

1 stop13h 35m

£579

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Sat 14/3

22:58-17:00

2 stops35h 02m

Grimsby Humberside

Fri 1/5

09:50-20:39

2 stops18h 49m

£582

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Sun 15/3

16:00-09:20

1 stop34h 20m

Grimsby Humberside

Sat 2/5

09:50-16:30

1 stop14h 40m

£605

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 12/3

07:20-09:20

2 stops19h 00m

Grimsby Humberside

Fri 1/5

06:10-11:42

1 stop13h 32m

£607

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 12/3

06:00-09:20

2 stops20h 20m

Grimsby Humberside

Sat 2/5

09:50-16:30

1 stop14h 40m

£608

SeattleGrimsby

SEA - HUY

SEAHUY

Seattle/Tacoma Intl

Thu 12/3

06:00-09:20

2 stops20h 20m

Grimsby Humberside

Sun 3/5

06:10-16:45

2 stops18h 35m

£615

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle 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

Which airlines fly to Grimsby?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Grimsby from Seattle according to our data. British Airways is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Grimsby. Keep in mind that there are 3 different airlines that fly to Grimsby on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Grimsby

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

Estimated return price

Cheap Seattle to Grimsby (SEA to HUY) flight deals and tips

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

Fastest flight time	18h 10m
Direct flights	None

The fastest flight from Seattle to Grimsby takes 18h 10m

There are no direct flights from Seattle to Grimsby. There are no popular flight routes from Seattle to Grimsby.

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How far is Seattle/Tacoma Intl to Grimsby Humberside by plane?
A flight from Seattle/Tacoma Intl to Grimsby Humberside will travel around 4669.6 mi. In terms of flight time, this usually takes a little over 18h 10m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Grimsby Humberside Airport.
What documentation or ID do you need to fly to Grimsby Humberside Airport?
The required travel and health documents for your Grimsby Humberside Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Grimsby Humberside Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Skegness

Hull

Bridlington

Driffield

Why use momondo?

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

Finding the right flight to Grimsby from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Grimsby quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Seattle to Grimsby flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Grimsby.

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

If you are not ready to book a flight from Seattle to Grimsby now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Grimsby and let you know when they change.