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$624+ Cheap flights from Pasco (PSC) 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — LHR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Pasco to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Pasco (PSC) to Heathrow (LHR). 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 September 17, 2025.

Round-trip from

$624
(KLM)

Popular in

December

Cheapest in

August

Average price

$826
From Pasco Tri Cities to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($287 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Pasco to Heathrow

Cheapest flights from Pasco to Heathrow
Explore the most affordable flight options available from Pasco to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:00 pmPSC - LHR
1 stop17h 15mKLM
Wed 10/296:30 amLHR - PSC
2 stops17h 02mKLM
Deal found 9/15$624
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:10 amPSC - LHR
2 stops20h 05mDelta
Wed 10/226:15 amLHR - PSC
2 stops24h 40mDelta
Deal found 9/17$628
This Virgin Atlantic deal was found by Cheapflights users on 9/17. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:45 pmPSC - LHR
1 stop36h 30mVirgin Atlantic
Fri 10/241:25 pmLHR - PSC
1 stop17h 30mVirgin Atlantic
Deal found 9/17$632
This Virgin Atlantic deal was found by Cheapflights users on 9/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amPSC - LHR
1 stop18h 05mVirgin Atlantic
Fri 11/76:20 amLHR - PSC
2 stops24h 35mVirgin Atlantic
Deal found 9/16$673
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:40 amPSC - LHR
2 stops15h 45mDelta
Fri 10/246:30 amLHR - PSC
2 stops18h 34mDelta
Deal found 9/16$679
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amPSC - LHR
1 stop18h 05mMultiple Airlines
Fri 11/711:05 amLHR - PSC
1 stop16h 35mMultiple Airlines
Deal found 9/16$681
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amPSC - LHR
1 stop22h 20mMultiple Airlines
Thu 11/612:30 pmLHR - PSC
1 stop19h 29mMultiple Airlines
Deal found 9/15$682
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:05 amPSC - LHR
2 stops19h 00mDelta
Thu 11/66:20 amLHR - PSC
2 stops25h 11mDelta
Deal found 9/15$717

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasco 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 September 17, 2025.
Use the filters below to find and compare flights from Pasco to London Heathrow Airport that are best for you.

Fly from

Pasco

Fly to

Heathrow

Route

Depart

Return

Price

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 10/15

5:05 am-9:50 am

1 stop20h 45m

London Heathrow

Wed 10/22

6:15 am-4:32 pm

2 stops18h 17m

$624

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 10/8

1:00 pm-2:15 pm

1 stop17h 15m

London Heathrow

Wed 10/29

6:30 am-4:32 pm

2 stops17h 02m

$624

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/25

11:45 am-10:00 am

1 stop14h 15m

London Heathrow

Wed 3/4

6:20 am-4:18 pm

2 stops17h 58m

$631

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sat 10/11

5:45 pm-2:15 pm

1 stop36h 30m

London Heathrow

Fri 10/24

1:25 pm-10:55 pm

1 stop17h 30m

$631

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 10/15

11:40 am-9:50 am

1 stop14h 10m

London Heathrow

Wed 10/22

11:00 am-5:04 pm

1 stop14h 04m

$632

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/25

6:30 am-9:00 am

2 stops18h 30m

London Heathrow

Wed 3/4

6:20 am-10:49 pm

2 stops24h 29m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Pasco to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pasco 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 Pasco to London Heathrow Airport

What is the cheapest month to book a flight from Pasco to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Pasco to London Heathrow Airport (average of $661). Flying from Pasco to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 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 September 17, 2025.
Peruse reviews from past customers who have flown with Delta from Pasco to London Heathrow Airport to help guide your decision. 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
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    Pasco Tri Cities (PSC), located 1.9 mi from the city center, is the airport you fly out of when you book flights from Pasco to London Heathrow. 1 airline have flights from Tri Cities to London Heathrow on a regular basis. Booking flights from Pasco Tri Cities to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • How long is the flight from Pasco to London Heathrow Airport?

    A quick flight from Pasco to London Heathrow Airport can take about 17h 15m. Delta provides one of the quickest options available for as low as $624. There are 4763 mi between Pasco and London Heathrow Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Pasco to London Heathrow Airport round-trip?

    Our cheapest airline available from Pasco to London Heathrow Airport is Delta. Our recent data shows that you can find tickets from as low as $702 on this airline. Delta is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pasco 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.

  • What is the cheapest month to book a flight from Pasco to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Pasco to London Heathrow Airport (average of $661). Flying from Pasco to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Pasco to Heathrow

Discover the top airline that operate flights from Pasco 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$702Average$1,038FlexibilityNo cancel feeOn-timeN/A

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