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$417+ Cheap flights from Pasco (PSC) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — LHR
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Pasco to Heathrow

Best flights from Pasco to Heathrow
Discover carefully curated flight deals from Pasco to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This KLM deal was found by Cheapflights users on 12/21. 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 2/2511:25 amPSC - LHR
1 stop14h 35mKLM
Wed 3/46:30 amLHR - PSC
2 stops17h 46mKLM
Deal found 12/21$629
This Delta deal was found by Cheapflights users on 12/22. 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 2/51:00 pmPSC - LHR
1 stop14h 55mDelta
Thu 2/126:30 amLHR - PSC
2 stops24h 33mDelta
Deal found 12/22$629
This Virgin Atlantic deal was found by Cheapflights users on 12/21. 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.
Mon 2/26:50 amPSC - LHR
2 stops22h 55mVirgin Atlantic
Mon 2/98:25 pmLHR - PSC
2 stops28h 36mVirgin Atlantic
Deal found 12/21$634
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 2/412:45 pmPSC - LHR
1 stop12h 55mUnited Airlines
Wed 2/116:30 amLHR - PSC
2 stops22h 43mUnited Airlines
Deal found 12/21$639
This KLM deal was found by Cheapflights users on 12/21. 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.
Mon 2/211:35 amPSC - LHR
1 stop14h 25mKLM
Mon 2/96:30 amLHR - PSC
2 stops21h 26mKLM
Deal found 12/21$629
This Delta deal was found by Cheapflights users on 12/21. 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 2/255:05 amPSC - LHR
2 stops19h 00mDelta
Wed 3/46:30 amLHR - PSC
2 stops17h 46mDelta
Deal found 12/21$634
This Delta deal was found by Cheapflights users on 12/22. 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 4/115:38 pmPSC - LHR
1 stop34h 32mDelta
Wed 4/228:40 amLHR - PSC
2 stops19h 20mDelta
Deal found 12/22$644
This Delta deal was found by Cheapflights users on 12/22. 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.
Sun 4/55:38 pmPSC - LHR
1 stop34h 32mDelta
Wed 4/229:55 amLHR - PSC
2 stops18h 05mDelta
Deal found 12/22$644

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(KLM)

One-way from

$417
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$2,365
Provider with most accurate pricing for Pasco Tri Cities-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pasco Tri Cities-London Heathrow flights.
Search Deals
From Pasco Tri Cities to London Heathrow
Search Deals
One-way flight from Pasco Tri Cities to London Heathrow
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($335 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($122 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 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 2/25

11:25 am-10:00 am

1 stop14h 35m

London Heathrow

Wed 3/4

6:30 am-4:16 pm

2 stops17h 46m

$629

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Thu 2/5

1:00 pm-11:55 am

1 stop14h 55m

London Heathrow

Thu 2/12

6:30 am-11:03 pm

2 stops24h 33m

$629

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Mon 2/2

11:35 am-10:00 am

1 stop14h 25m

London Heathrow

Mon 2/9

6:30 am-7:56 pm

2 stops21h 26m

$629

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Mon 2/2

6:50 am-1:45 pm

2 stops22h 55m

London Heathrow

Mon 2/9

8:25 pm-5:01 pm

2 stops28h 36m

$634

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/25

5:05 am-8:05 am

2 stops19h 00m

London Heathrow

Wed 3/4

6:30 am-4:16 pm

2 stops17h 46m

$634

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/4

12:45 pm-9:40 am

1 stop12h 55m

London Heathrow

Wed 2/11

6:30 am-9:13 pm

2 stops22h 43m

$639

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sat 4/11

5:38 pm-12:10 pm

1 stop34h 32m

London Heathrow

Wed 4/22

8:40 am-8:00 pm

2 stops19h 20m

$644

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sun 4/5

5:38 pm-12:10 pm

1 stop34h 32m

London Heathrow

Wed 4/22

9:55 am-8:00 pm

2 stops18h 05m

$644

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sun 3/29

7:26 pm-12:05 pm

3 stops56h 39m

$417

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sun 3/29

5:25 am-6:45 am

2 stops17h 20m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 12 results
1
2

Compare providers for flights from Pasco to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pasco to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pasco-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pasco-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pasco-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pasco-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pasco-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, August is the cheapest month in which you can book a flight from Pasco to London Heathrow Airport (average of $631). Flying from Pasco to London Heathrow Airport in December is currently the most expensive (average of $2,365). 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 December 23, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines 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
7.9
Good
8,014 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,106 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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. 2 airlines 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 14h 35m. KLM provides one of the quickest options available for as low as $629. There are 4763 mi between Pasco and London Heathrow Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying 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. An additional option worth looking into is United Airlines, starting at $702. Delta is priced at 31% 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, August is the cheapest month in which you can book a flight from Pasco to London Heathrow Airport (average of $631). Flying from Pasco to London Heathrow Airport in December is currently the most expensive (average of $2,365). 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
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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Pasco to Heathrow

Discover the top 2 airlines 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$702Average$989FlexibilityNo cancel feeOn-time69%
DeltaCheapest$702Average$902FlexibilityNo cancel feeOn-timeN/A

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