In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular airlines that fly from Grimsby to California?

When booking a flight from Grimsby to California, you may want to consider flying on Air France, KLM or Virgin Atlantic as they are the most popular for this route.

What is the cheapest month to fly from Grimsby to California?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to California. Flights to California from Grimsby in March are about £733 on average during March, but can be found for as low as £539.

What is the cheapest time of day to fly from HUY to CA?

When flying from Grimsby to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Grimsby to California?

Located just 11.0 mi from the city center, Grimsby Humberside (HUY) is the airport most travelers will use when flying to California from Grimsby.

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

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

How can I find direct flights from Grimsby to California?

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

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

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

£641+ Flights from Grimsby to California

Cheap flight deals from Grimsby to California

Round-trip from	£641
Popular in	July
Cheapest in	March
Average price	£1,117

KLM
27/8-3/9
3 total stops
29h 32m total
Grimsby to California

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£118 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Grimsby to California

Cheapest flights from Grimsby to California
Explore the most affordable flight options available from Grimsby to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Wed 27/806:10HUY - SFO

1 stop13h 35mKLM

Wed 3/917:03SFO - HUY

2 stops15h 57mKLM

Deal found 13/7£641

Wed 27/817:35HUY - SFO

3 stops31h 50mMultiple Airlines

Wed 3/914:40SFO - HUY

3 stops22h 45mMultiple Airlines

Deal found 13/7£1,018

Best flights from Grimsby to California
Discover carefully curated flight deals from Grimsby to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 July 2025.

Wed 27/806:10HUY - SFO

1 stop13h 35mKLM

Wed 3/917:03SFO - HUY

2 stops15h 57mKLM

Deal found 13/7£641

Wed 27/817:35HUY - SFO

3 stops31h 50mMultiple Airlines

Wed 3/914:40SFO - HUY

3 stops22h 45mMultiple Airlines

Deal found 13/7£1,018

Last-minute flights from Grimsby to California
Discover last-minute flight deals from Grimsby to California. Data last updated 15 July 2025 and is based on user searches.

Wed 27/806:10HUY - SFO

1 stop13h 35mKLM

Wed 3/917:03SFO - HUY

2 stops15h 57mKLM

Deal found 13/7£641

Wed 27/817:35HUY - SFO

3 stops31h 50mMultiple Airlines

Wed 3/914:40SFO - HUY

3 stops22h 45mMultiple Airlines

Deal found 13/7£1,018

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grimsby to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Wed 27/8

06:10-11:45

1 stop13h 35m

San Francisco

Wed 3/9

17:03-17:00

2 stops15h 57m

£641

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Wed 27/8

17:35-17:25

3 stops31h 50m

San Francisco

Wed 3/9

14:40-21:25

3 stops22h 45m

£1,018

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Tue 12/8

06:10-11:45

1 stop13h 35m

£1,218

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Best time to book a flight from Grimsby to California

Have a flexible travel schedule? Discover the best time to fly to California from Grimsby with our price prediction graph.

Estimated return 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 Grimsby to California

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

Currently, January is the cheapest month in which you can book a flight from Grimsby to California (average of £575). Flying from Grimsby to California in July is currently the most expensive (average of £811). 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.

Reviews of airlines servicing California

Read through reviews of airlines operating flights from Grimsby to California, such as Delta and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,956 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from Grimsby to California?
Located just 11.0 mi from the city center, Grimsby Humberside (HUY) is the airport most travelers will use when flying to California from Grimsby.
Can I find deals for flights from Grimsby to California that include hotel bookings?
Yes. In addition to deals on Grimsby to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Grimsby to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grimsby to California.
Can I find deals for business class flights from Grimsby to California?
Yes. Cheapflights offers flight deals from Grimsby to California 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 Grimsby to California?
Currently, January is the cheapest month in which you can book a flight from Grimsby to California (average of £575). Flying from Grimsby to California in July is currently the most expensive (average of £811). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Grimsby to California

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Complete your trip

California car hire

Los Angeles Airport car hire

San Francisco Airport car hire

San Diego Airport car hire

San Jose Airport car hire

Sacramento Intl Airport car hire

Ontario Airport car hire

Oakland Airport car hire

Burbank Bob Hope Airport car hire

Long Beach Municipal Airport car hire

Fresno Airterminal Airport car hire

Palm Springs Airport car hire

Direct flights to United States

Top 3 airlines flying from Grimsby to California

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£536	Average£724	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£545	Average£666	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£567	Average£667	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from Grimsby to California?

When you search for this flight from Grimsby to California, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Grimsby to California?

Cheapflights simply makes it quick and affordable to book flights from Grimsby to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Grimsby to California with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Grimsby to California flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Grimsby to California become cheaper?

Not ready to book yet? You can track prices for flights from Grimsby to California on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Grimsby to California from £641

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Grimsby to California

Keep the following information in mind while searching for Grimsby to California flight deals. Data was last updated 15 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Grimsby to California

Cheapest flights from Grimsby to CaliforniaExplore the most affordable flight options available from Grimsby to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Explore the most affordable flight options available from Grimsby to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grimsby to California that are best for you.

Best time to book a flight from Grimsby to California

Have a flexible travel schedule? Discover the best time to fly to California from Grimsby with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing California

Read through reviews of airlines operating flights from Grimsby to California, such as Delta and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Grimsby to California. 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 Grimsby to California?

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

How can I find direct flights from Grimsby to California?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grimsby to California

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Grimsby to California

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Grimsby to California?

Why should you use Cheapflights to find cheap flight tickets from Grimsby to California?

Can Cheapflights find flights from Grimsby to California with no change fees?

Can Cheapflights notify me if prices for flights from Grimsby to California become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Grimsby to California
Explore the most affordable flight options available from Grimsby to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.