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Cheap flights from Grimsby to Fremont from £611

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — SFO
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grimsby to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from Grimsby to Fremont
Explore the most affordable flight options available from Grimsby to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Mon 2/217:40
HUY
-
SFO
1 stop26h 10m
KLM
Mon 23/213:55
SFO
-
HUY
1 stop23h 25m
KLM
Deal found 20/1£611
Sun 8/317:10
HUY
-
SFO
1 stop26h 40m
KLM
Sun 15/314:55
SFO
-
HUY
1 stop19h 15m
KLM
Deal found 22/1£612
Sun 8/309:50
HUY
-
SFO
2 stops20h 25m
Delta
Sun 15/314:55
SFO
-
HUY
1 stop19h 15m
Delta
Deal found 22/1£616
Fri 6/306:10
HUY
-
SFO
1 stop13h 40m
Virgin Atlantic
Fri 13/314:55
SFO
-
HUY
1 stop23h 25m
Virgin Atlantic
Deal found 20/1£634
Fri 29/509:50
HUY
-
SFO
1 stop33h 55m
KLM
Fri 12/620:10
SFO
-
HUY
2 stops17h 20m
KLM
Deal found 20/1£686
Sun 8/317:10
HUY
-
SFO
3 stops29h 25m
Multiple Airlines
Sun 15/315:40
SFO
-
HUY
2 stops18h 30m
Multiple Airlines
Deal found 22/1£1,161

Find flight deals from Grimsby to Fremont

Keep the following information in mind while searching for Grimsby to Fremont flight deals. Data was last updated 22 January 2026.

Round-trip from

£611
KLM
  • KLM
  • 2/2-23/2
  • 3 total stops
  • 44h 30m total
  • Grimsby to Fremont
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to Fremont 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 22 January 2026.
Use the filters below to find and compare flights from Grimsby to Fremont that are best for you.

Fly from

Grimsby

Fly to

Fremont

Route

Depart

Return

Price

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Mon 2/2

17:40-11:50

1 stop26h 10m

San Francisco

Mon 23/2

07:00-09:20

2 stops18h 20m

£611

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 8/3

17:10-12:50

1 stop26h 40m

San Francisco

Sun 15/3

14:55-17:10

1 stop19h 15m

£612

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 8/3

09:50-22:15

2 stops20h 25m

San Francisco

Sun 15/3

14:55-17:10

1 stop19h 15m

£616

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Fri 6/3

17:10-19:40

2 stops34h 30m

San Francisco

Fri 13/3

23:35-09:20

2 stops26h 45m

£646

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Fri 29/5

09:50-11:45

1 stop33h 55m

San Francisco

Fri 12/6

20:10-21:30

2 stops17h 20m

£686

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Sun 8/3

17:10-15:35

3 stops29h 25m

San Francisco

Sun 15/3

08:30-21:20

3 stops29h 50m

£1,168

GrimsbySan Francisco

HUY - SFO

HUYSFO

Grimsby Humberside

Fri 6/3

17:10-16:45

3 stops31h 35m

San Francisco

Fri 13/3

16:40-17:00

2 stops17h 20m

£1,240

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Best time to book a flight from Grimsby to Fremont

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

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

Currently, February is the cheapest month in which you can book a flight from Grimsby to Fremont (average of £413). Flying from Grimsby to Fremont in July is currently the most expensive (average of £515). 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 Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated 22 January 2026.
See what other customers who have flown with KLM from Grimsby to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.6

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

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

    If you book a flight to Fremont from Grimsby, you will be flying from Humberside, which is the city’s only airport. Grimsby Humberside (HUY) is located 11.0 mi from the center of Grimsby. There are 0 flights from Humberside to Fremont per day from 1 airline.

  • How long is the flight from Grimsby to Fremont?

    A quick flight from Grimsby to Fremont can take about 20h 25m. KLM provides one of the quickest options available for as low as £616. The distance from Grimsby to Fremont is about 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 Fremont that include hotel bookings?

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

  • How can I find direct flights from Grimsby to Fremont?

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

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

    Yes. Cheapflights offers flight deals from Grimsby to Fremont 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 Fremont?

    Currently, February is the cheapest month in which you can book a flight from Grimsby to Fremont (average of £413). Flying from Grimsby to Fremont in July is currently the most expensive (average of £515). 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

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Top airline flying from Grimsby to Fremont

Discover the top airline that operate flights from Grimsby to Fremont. 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£602Average£662FlexibilityNo cancel feeOn-time75%
Search KLM flights

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