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Cheap flights from Grimsby to San Francisco from £737

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — SFO
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grimsby to San Francisco

Enter your travel dates to find the best prices.

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 23 March 2026.

Wed 6/506:10
HUY
-
SFO
1 stop13h 35m
KLM
Wed 13/513:45
SFO
-
HUY
1 stop19h 20m
KLM
Deal found 22/3£737
Mon 4/506:10
HUY
-
SFO
1 stop13h 35m
KLM
Mon 11/513:45
SFO
-
HUY
1 stop19h 20m
KLM
Deal found 20/3£738
Mon 4/506:10
HUY
-
SFO
1 stop13h 35m
Virgin Atlantic
Mon 11/513:45
SFO
-
HUY
1 stop19h 20m
Virgin Atlantic
Deal found 20/3£758
Wed 6/506:10
HUY
-
SFO
1 stop13h 35m
Delta
Wed 13/506:15
SFO
-
HUY
2 stops19h 05m
Delta
Deal found 22/3£759
Sun 3/517:35
HUY
-
SFO
1 stop26h 10m
Virgin Atlantic
Sun 10/521:54
SFO
-
HUY
2 stops27h 26m
Virgin Atlantic
Deal found 19/3£765
Sun 3/509:50
HUY
-
SFO
1 stop33h 55m
KLM
Sun 10/513:45
SFO
-
HUY
1 stop23h 45m
KLM
Deal found 19/3£766
Sun 3/517:35
HUY
-
SFO
3 stops32h 25m
Multiple Airlines
Sun 10/520:10
SFO
-
HUY
3 stops29h 10m
Multiple Airlines
Deal found 19/3£942
Thu 24/1206:00
HUY
-
SFO
2 stops23h 36m
Virgin Atlantic
Sun 3/120:59
SFO
-
HUY
2 stops40h 21m
Virgin Atlantic
Deal found 18/3£1,018

Find 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 23 March 2026.

Round-trip from

£737
KLM
  • KLM
  • 6/5-13/5
  • 2 total stops
  • 32h 55m total
  • Grimsby to San Francisco
Search Deals

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 23 March 2026.
Use the filters below to find and compare flights from Grimsby to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Wed 6/5

06:10-16:57

2 stops18h 47m

San Francisco

Wed 13/5

13:45-17:05

1 stop19h 20m

£744

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Mon 4/5

09:50-20:51

2 stops19h 01m

San Francisco

Mon 11/5

13:45-17:05

1 stop19h 20m

£744

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Mon 4/5

06:10-11:45

1 stop13h 35m

San Francisco

Mon 11/5

13:45-17:05

1 stop19h 20m

£758
Fastest return journey

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Wed 6/5

06:10-11:45

1 stop13h 35m

San Francisco

Wed 13/5

06:15-09:20

2 stops19h 05m

£759

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 3/5

09:50-11:45

1 stop33h 55m

San Francisco

Sun 10/5

13:45-21:30

1 stop23h 45m

£766

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 3/5

17:35-18:00

3 stops32h 25m

San Francisco

Sun 10/5

20:10-09:20

3 stops29h 10m

£942

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Wed 6/5

17:35-14:30

3 stops28h 55m

San Francisco

Wed 13/5

06:00-09:20

2 stops19h 20m

£1,193

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sat 18/7

06:10-11:45

1 stop13h 35m

San Francisco

Sat 18/7

20:05-09:20

2 stops53h 15m

£1,817
Cheapest one-way

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sat 18/7

14:00-21:55

3 stops39h 55m

£837

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 19/7

17:35-11:45

1 stop26h 10m

£1,498

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 £412). Flying from Grimsby to San Francisco in July is currently the most expensive (average of £513). 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 23 March 2026.
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
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 35m. KLM provides one of the quickest options available for as low as £758. Grimsby and San Francisco are separated by a distance of 5248 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £412). Flying from Grimsby to San Francisco in July is currently the most expensive (average of £513). 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
San Bruno
Bodega Bay
South San Francisco
Sunnyvale

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Alternative routes for Grimsby to San Francisco

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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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£665Average£666FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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