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$625+ Cheap flights from Eureka, CA to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — LHR
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from Eureka to Heathrow

Best flights from Eureka to Heathrow
Discover carefully curated flight deals from Eureka to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 27, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/92:09 pmACV - LHR
1 stop13h 51mUnited Airlines
Mon 2/237:40 amLHR - ACV
2 stops23h 05mUnited Airlines
Deal found 12/25$625
This United Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:08 pmACV - LHR
1 stop13h 02mUnited Airlines
Fri 4/248:40 amLHR - ACV
2 stops35h 13mUnited Airlines
Deal found 12/25$642

Find flight deals from Eureka to Heathrow

Keep the following information in mind while searching for Eureka to Heathrow flight deals. Data was last updated December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$625
(United Airlines)
Provider with most accurate pricing for Arcata Eureka-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Arcata Eureka-London (LON) flights.
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From Eureka to London Heathrow
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Eureka to Heathrow 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 2,558,603 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from Eureka to London Heathrow Airport that are best for you.

Fly from

Eureka

Fly to

Heathrow

Route

Depart

Return

Price

ArcataLondon

ACV - LHR

ACVLHR

Arcata Eureka

Mon 2/9

2:09 pm-12:00 pm

1 stop13h 51m

London Heathrow

Mon 2/23

7:40 am-10:45 pm

2 stops23h 05m

$625

ArcataLondon

ACV - LHR

ACVLHR

Arcata Eureka

Mon 4/13

2:08 pm-11:10 am

1 stop13h 02m

London Heathrow

Fri 4/24

8:40 am-11:53 am

2 stops35h 13m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Best time to book a flight from Eureka to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Eureka with our price prediction graph.
Estimated round-trip 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 Eureka to London Heathrow Airport
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 27, 2025.
See what other customers who have flown with United Airlines from Eureka to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,116 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,116 reviews
United Airlines
7.4
Good
9,116 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Eureka to Heathrow. 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 Eureka to London Heathrow Airport?

    Departing from Eureka to London Heathrow Airport will take you 13h 51m. There are 5205 mi between Eureka and London Heathrow Airport.

  • Can I find deals for flights from Eureka to Heathrow that include hotel bookings?

    Yes. In addition to deals on Eureka to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Eureka to Heathrow?

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

  • Can I find deals for business class flights from Eureka to Heathrow?

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

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone

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Top airline flying from Eureka to Heathrow

Discover the top airline that operate flights from Eureka to Heathrow. 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 2,558,603 searches. Data last updated December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$693Average$1,026FlexibilityNo cancel feeOn-time69%

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