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

A quick flight from Pasco to London Heathrow Airport can take about 12h 55m. United Airlines provides one of the quickest options available for as low as $628. 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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from PSC to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pasco to London Heathrow Airport as you normally would.

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.

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.

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.

$628+ Flights from Pasco to London Heathrow Airport

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3. Compare prices and book

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Cheap 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 December 12, 2025.

Thu 12/116:25 amPSC - LHR

1 stop21h 35mUnited Airlines

Wed 12/1711:10 amLHR - PSC

2 stops34h 04mUnited Airlines

Deal found 12/10

$1,742

Thu 12/111:00 pmPSC - LHR

1 stop13h 30mKLM

Wed 12/1711:05 amLHR - PSC

1 stop16h 47mKLM

Deal found 12/10

$1,758

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 12, 2025.

Sun 1/1812:45 pmPSC - LHR

1 stop12h 55mUnited Airlines

Sun 1/259:00 amLHR - PSC

2 stops20h 10mUnited Airlines

Deal found 12/11

$628

Wed 2/255:05 amPSC - LHR

1 stop21h 25mKLM

Wed 3/46:30 amLHR - PSC

2 stops17h 46mKLM

Deal found 12/10

$629

Sat 1/246:50 amPSC - LHR

2 stops17h 15mDelta

Sat 1/316:30 amLHR - PSC

2 stops17h 53mDelta

Deal found 12/10

$633

Sat 1/2412:45 pmPSC - LHR

1 stop12h 55mUnited Airlines

Sat 1/316:35 amLHR - PSC

2 stops22h 38mUnited Airlines

Deal found 12/10

$628

Wed 2/255:05 amPSC - LHR

2 stops18h 00mDelta

Wed 3/46:30 amLHR - PSC

2 stops24h 33mDelta

Deal found 12/10

$633

Sun 1/255:00 amPSC - LHR

1 stop20h 40mUnited Airlines

Sun 2/16:00 pmLHR - PSC

2 stops35h 13mUnited Airlines

Deal found 12/11

$639

Thu 1/296:00 amPSC - LHR

1 stop17h 25mUnited Airlines

Mon 2/210:05 amLHR - PSC

1 stop19h 05mUnited Airlines

Deal found 12/10

$656

Fri 1/306:00 amPSC - LHR

1 stop17h 25mUnited Airlines

Tue 2/310:05 amLHR - PSC

1 stop19h 05mUnited Airlines

Deal found 12/9

$656

Last-minute flights from Pasco to Heathrow
Discover last-minute flight deals from Pasco to Heathrow. Data last updated December 12, 2025 and is based on user searches.

Thu 12/116:25 amPSC - LHR

1 stop21h 35mUnited Airlines

Wed 12/1711:10 amLHR - PSC

2 stops34h 04mUnited Airlines

Deal found 12/10

$1,742

Thu 1/16:02 amPSC - LHR

1 stop21h 58mUnited Airlines

Mon 1/1211:10 amLHR - PSC

2 stops42h 03mUnited Airlines

Deal found 12/10

$839

Thu 1/17:00 amPSC - LHR

1 stop16h 05mKLM

Mon 1/1211:05 amLHR - PSC

1 stop16h 51mKLM

Deal found 12/10

$856

Sun 1/1812:45 pmPSC - LHR

1 stop12h 55mUnited Airlines

Sun 1/259:00 amLHR - PSC

2 stops20h 10mUnited Airlines

Deal found 12/11

$628

Sat 1/246:50 amPSC - LHR

2 stops17h 15mDelta

Sat 1/316:30 amLHR - PSC

2 stops17h 53mDelta

Deal found 12/10

$633

Sun 1/255:00 amPSC - LHR

1 stop20h 40mUnited Airlines

Sun 2/16:00 pmLHR - PSC

2 stops35h 13mUnited Airlines

Deal found 12/11

$639

Thu 1/296:00 amPSC - LHR

1 stop17h 25mUnited Airlines

Mon 2/210:05 amLHR - PSC

1 stop19h 05mUnited Airlines

Deal found 12/10

$656

Find flight deals from Pasco to Heathrow

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$628 (United Airlines)
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

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

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pasco to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sun 1/18

12:45 pm-9:40 am

1 stop12h 55m

London Heathrow

Sun 1/25

9:00 am-9:10 pm

2 stops20h 10m

$628

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sat 1/24

12:45 pm-9:40 am

1 stop12h 55m

London Heathrow

Sat 1/31

6:35 am-9:13 pm

2 stops22h 38m

$628

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/25

5:05 am-10:30 am

1 stop21h 25m

London Heathrow

Wed 3/4

6:30 am-4:16 pm

2 stops17h 46m

$629

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sat 1/24

6:50 am-8:05 am

2 stops17h 15m

London Heathrow

Sat 1/31

6:30 am-4:23 pm

2 stops17h 53m

$633

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Wed 2/25

5:05 am-7:05 am

2 stops18h 00m

London Heathrow

Wed 3/4

6:30 am-11:03 pm

2 stops24h 33m

$633

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Sun 1/25

5:00 am-9:40 am

1 stop20h 40m

London Heathrow

Sun 2/1

6:00 pm-9:13 pm

2 stops35h 13m

$639

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Thu 1/29

6:00 am-7:25 am

1 stop17h 25m

London Heathrow

Mon 2/2

10:05 am-9:10 pm

1 stop19h 05m

$656

PascoLondon

PSC - LHR

PSCLHR

Pasco Tri Cities

Fri 1/30

6:00 am-7:25 am

1 stop17h 25m

London Heathrow

Tue 2/3

10:05 am-9:10 pm

1 stop19h 05m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Pasco to Heathrow

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.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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

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

8,007 reviews

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

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 12h 55m. United Airlines provides one of the quickest options available for as low as $628. 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

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Top 2 airlines flying from Pasco to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$702	Average$989	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$702	Average$902	FlexibilityNo cancel fee	On-timeN/A

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$628+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pasco to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Pasco to Heathrow

Cheapest flights from Pasco to HeathrowExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Pasco to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pasco to London Heathrow Airport that are best for you.

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.

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.

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?

Reviews of airlines servicing Heathrow

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.

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?

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

What are the cheapest airlines flying from Pasco to London Heathrow Airport round-trip?

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

How can I find direct flights from Pasco to Heathrow?

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

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

Traveling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pasco to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Pasco to Heathrow

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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 December 12, 2025.