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Cheap flights from Grimsby to San Francisco from £574

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — SFO
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Grimsby to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) to San Francisco (SFO). 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 18 September 2025.

Round-trip from

£574
KLM
  • KLM
  • 1/11-8/11
  • 2 total stops
  • 32h 25m total
  • Grimsby to San Francisco
Search Deals

Find flight deals from Grimsby to San Francisco

Cheapest flights from Grimsby to San Francisco
Explore the most affordable flight options available from Grimsby to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sat 1/1106:10HUY - SFO
1 stop13h 40mKLM
Sat 8/1113:55SFO - HUY
1 stop18h 45mKLM
Deal found 17/9£574
Sat 1/1106:10HUY - SFO
1 stop13h 40mDelta
Fri 7/1100:35SFO - HUY
2 stops24h 45mDelta
Deal found 17/9£596
Sat 1/1106:10HUY - SFO
2 stops16h 25mMultiple Airlines
Sat 8/1116:40SFO - HUY
3 stops20h 40mMultiple Airlines
Deal found 17/9£878

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to San Francisco 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 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Grimsby to San Francisco that are best for you.

Fly from

Grimsby

Fly to

San Francisco

Route

Depart

Return

Price

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sat 1/11

06:10-12:50

1 stop13h 40m

San Francisco

Sat 8/11

13:55-16:40

1 stop18h 45m

£574

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sat 1/11

06:10-12:50

1 stop13h 40m

San Francisco

Fri 7/11

00:35-09:20

2 stops24h 45m

£596

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sat 1/11

06:10-15:35

2 stops16h 25m

San Francisco

Sat 8/11

16:40-21:20

3 stops20h 40m

£878

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Best time to book a flight from Grimsby to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 San Francisco

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

Currently, February is the cheapest month in which you can book a flight from Grimsby to San Francisco (average of £538). Flying from Grimsby to San Francisco in July is currently the most expensive (average of £803). 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 San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 18 September 2025.
Read reviews from past customers who have flown with KLM from Grimsby to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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

    A quick flight from Grimsby to San Francisco can take about 13h 40m. KLM provides one of the quickest options available for as low as £574. Grimsby and San Francisco are separated by a distance of 5248 mi.

  • What is the cheapest airline to fly from Grimsby to San Francisco round-trip?

    According to our current data, KLM (£593), offers the cheapest pricing from Grimsby to San Francisco.

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

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

  • How can I find direct flights from Grimsby to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Grimsby to San Francisco 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 San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Grimsby to San Francisco (average of £538). Flying from Grimsby to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

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Top airline flying from Grimsby to San Francisco

Discover the top airline that operate flights from Grimsby to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£593Average£651FlexibilityNo cancel feeOn-time75%
Search KLM flights

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 San Francisco?

Cheapflights makes it easy to find Grimsby to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Grimsby.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Grimsby today and book when prices fit your budget.

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