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Cheap Flights to United Kingdom
Expected price increase
20%
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1 Passenger
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Passengers
Adults 18+
Children 2-11
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Lap infants under 2
Flight Classes
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Average price per month
- Low Season: December
- High Season: March
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in December, July and January.
- High season months are August, May and March. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Dulles to United Kingdom is currently 28% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 39% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 57 days before departure!
- Consider booking at least 22 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Dulles to United Kingdom Flight Information
| Flights Depart From | Dulles (IAD) |
| Flights Arriving To | United Kingdom (LHR) |
| Distance | 5902.88 km |
| Current Discount | 28 % |
| Average Price | $946.57 |
| Good Deal | $529.92 |
| Cheapest Airlines | SAS, TAP Portugal, Icelandair |
| Popular Airlines | Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, Austrian Airlines, British Airways |
| Flight Duration | 07 hours 34 minutes |
| Flights Depart From |
| Dulles (IAD) |
| Flights Arrive In |
| United Kingdom (LHR) |
| Distance |
| 5902.88 km |
| Flight Duration |
| 07 hours 34 minutes |
| Current Discount |
| 28 % |
| Average Price |
| $946.57 |
| Good Deal |
| $529.92 |
| Cheapest Airlines |
| SAS, TAP Portugal, Icelandair |
| Popular Airlines |
| Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, Austrian Airlines, British Airways |
Most Reliable Airlines flying to United Kingdom
- According to our data, Virgin Atlantic Airways, KLM Royal Dutch Airlines and Turkish Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Delta Air Lines, Air France and Alitalia.
- If customer service is important for you then you should consider flying with Virgin Atlantic Airways, Austrian Airlines and Delta Air Lines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Virgin Atlantic Airways |
4.1 | 4.0 | 4.5 | 4.0 | 4.5 | 4.0 | 4.0 | 4.0 | 4.0 |
KLM Royal Dutch Airlines |
3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 |
Turkish Airlines |
3.9 | 3.5 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
Delta Air Lines |
3.8 | 4.5 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 |
Finnair |
3.7 | 4.0 | 4.0 | 4.0 | 4.0 | 3.5 | 3.0 | 3.5 | 3.5 |
Lufthansa |
3.7 | 3.5 | 4.0 | 4.0 | 4.0 | 3.5 | 3.5 | 3.5 | 3.5 |
Aer Lingus |
3.6 | - | 4.0 | 4.0 | 4.0 | 3.5 | 3.0 | 3.5 | 3.5 |
Air France |
3.6 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
Austrian Airlines |
3.6 | 3.5 | 4.0 | 4.0 | 4.0 | 3.5 | 3.0 | 3.5 | 3.5 |
British Airways |
3.6 | 4.0 | 4.0 | 4.0 | 3.5 | 3.0 | 3.0 | 3.5 | 3.5 |
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.5
Cleanliness
4.0
Customer Service
4.5
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
4.0
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
-
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Good to know:
Enter your preferred departure airport and travel dates into the search form above to unlock the latest United Kingdom flight deals.
Track the flight prices from Dulles to United Kingdom by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to United Kingdom?
Currently there is a 28% discount on flights to United Kingdom. This price won't stay too long and you should consider buying now.
Flight prices for this route are expected to go up by 20%.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Dulles to United Kingdom: SAS, TAP Portugal and Icelandair..
SASWed, 22 Nov IAD LHR
Thu, 30 Nov LHR IAD Trip duration: 8 days$432.97
SASSun, 03 Dec IAD LHR
Sat, 09 Dec LHR IAD Trip duration: 6 days$448.75
TAP PortugalThu, 19 Oct BWI LHR
Tue, 24 Oct LHR BWI Trip duration: 5 days$472.95
TAP PortugalTue, 14 Nov IAD LHR
Tue, 05 Dec LHR IAD Trip duration: 21 days$472.97
TAP PortugalThu, 26 Oct IAD LHR
Fri, 10 Nov LHR IAD Trip duration: 16 days$474.55
TAP PortugalThu, 30 Nov BWI LHR
Mon, 04 Dec LHR BWI Trip duration: 4 days$474.95
TAP PortugalFri, 01 Dec BWI LGW
Tue, 12 Dec LGW BWI Trip duration: 11 days$475.05
TAP PortugalThu, 26 Oct IAD LHR
Mon, 30 Oct LHR IAD Trip duration: 4 days$476.97
TAP PortugalSun, 29 Oct IAD LHR
Fri, 03 Nov LHR IAD Trip duration: 5 days$479.65
TAP PortugalFri, 20 Oct IAD LHR
Tue, 31 Oct LHR IAD Trip duration: 11 days$480.15
TAP PortugalMon, 23 Oct BWI LHR
Sat, 28 Oct LHR BWI Trip duration: 5 days$480.25
TAP PortugalWed, 18 Oct BWI LHR
Wed, 25 Oct LHR BWI Trip duration: 7 days$481.65
IcelandairSat, 22 Apr IAD LHR
Thu, 27 Apr LHR IAD Trip duration: 5 days$487.25
IcelandairSat, 22 Apr IAD LHR
Thu, 27 Apr LHR IAD Trip duration: 5 days$487.35
IcelandairFri, 10 Nov IAD LHR
Fri, 17 Nov LHR IAD Trip duration: 7 days$488.35
IcelandairSat, 30 Sep IAD LHR
Sat, 07 Oct LHR IAD Trip duration: 7 days$490.05
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Frequently Asked Questions
- How long is a direct flight from Dulles to United Kingdom?A direct flight from Dulles to United Kingdom takes roughly 07 hours 34 minutes.
- How many direct flights are there between Dulles to United Kingdom daily?On average, there are 31 direct flights from Dulles to United Kingdom each day.
- Which airlines offer cheap airfare from Dulles to United Kingdom?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with SAS, TAP Portugal and Icelandair.
- Do I need my passport to fly from Dulles to United Kingdom?Yes, you most certainly do.
- Which airlines fly from Dulles to United Kingdom most often?Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, Austrian Airlines and British Airways are the top.
- What's the cheapest day to fly from Dulles to United Kingdom?That depends. Recently, the cheapest day to fly from Dulles to United Kingdom has been Monday. And the cheapest return flight from Monday has been. That said, the cheapest departure days are constantly changing.
- Which airport will I be flying from in Dulles?When departing from Dulles you'll be flying out of Washington Dulles International.
- Which airport will I be flying from in United Kingdom?When departing from United Kingdom you'll be flying out of Heathrow.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.