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Cheap Flights from Dulles to Portugal
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Average price per month
- Low Season: February
- High Season: June
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in February, September and January.
- High season months are October, August and June. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Dulles to Portugal is currently 27% 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 61 days before departure!
- Consider booking at least 24 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 Portugal Flight Information
| Flights Depart From | Dulles (IAD) |
| Flights Arriving To | Portugal (LIS) |
| Distance | 5767.5 km |
| Current Discount | 27 % |
| Average Price | $869.87 |
| Good Deal | $553.12 |
| Cheapest Airlines | Delta Air Lines, TAP Portugal, British Airways |
| Popular Airlines | JetBlue, Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Aer Lingus, British Airways, Icelandair, SAS, Air Canada |
| Flight Duration | 07 hours 23 minutes |
| Flights Depart From |
| Dulles (IAD) |
| Flights Arrive In |
| Portugal (LIS) |
| Distance |
| 5767.5 km |
| Flight Duration |
| 07 hours 23 minutes |
| Current Discount |
| 27 % |
| Average Price |
| $869.87 |
| Good Deal |
| $553.12 |
| Cheapest Airlines |
| Delta Air Lines, TAP Portugal, British Airways |
| Popular Airlines |
| JetBlue, Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Aer Lingus, British Airways, Icelandair, SAS, Air Canada |
Most Reliable Airlines flying to Portugal
- According to our data, JetBlue, Virgin Atlantic Airways and KLM Royal Dutch Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Delta Air Lines, American Airlines and British Airways.
- If legroom is important for you then you should consider flying with JetBlue, KLM Royal Dutch Airlines and Turkish Airlines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
JetBlue |
4.2 | 4.0 | 4.5 | 4.5 | 4.0 | 4.0 | 4.0 | 4.5 | 4.0 |
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 |
Aer Lingus |
3.6 | - | 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 |
Icelandair |
3.6 | 3.5 | 3.5 | 4.0 | 4.0 | 3.0 | 3.5 | 3.5 | 3.5 |
SAS |
3.6 | 4.0 | 4.0 | 4.0 | 4.0 | 3.0 | 2.5 | 3.5 | 3.5 |
Air Canada |
3.4 | 3.5 | 3.5 | 3.5 | 3.5 | 3.0 | 3.5 | 3.5 | 3.5 |
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.5
Seat Comfort
4.0
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
-
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
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.0
Entertainment
3.5
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
3.0
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.5
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 Portugal flight deals.
Track the flight prices from Dulles to Portugal 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 Portugal?
Currently there is a 27% discount on flights to Portugal. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Dulles to Portugal: Delta Air Lines, TAP Portugal and British Airways..
Delta Air LinesTue, 26 Nov IAD LIS
Wed, 04 Dec LIS IAD Trip duration: 8 days$446
Delta Air LinesMon, 10 Feb IAD LIS
Mon, 17 Feb LIS IAD Trip duration: 7 days$456.3
TAP PortugalSun, 16 Mar IAD LIS
Sun, 23 Mar LIS IAD Trip duration: 7 days$466.97
Delta Air LinesWed, 06 Nov IAD LIS
Wed, 13 Nov LIS IAD Trip duration: 7 days$476.5
Delta Air LinesSun, 01 Dec IAD LIS
Mon, 09 Dec LIS IAD Trip duration: 8 days$476.5
British AirwaysThu, 07 Nov IAD LIS
Mon, 11 Nov LIS IAD Trip duration: 4 days$493.7
British AirwaysFri, 08 Nov IAD LIS
Mon, 11 Nov LIS IAD Trip duration: 3 days$543.2
TAP PortugalTue, 12 Nov IAD LIS
Thu, 21 Nov LIS IAD Trip duration: 9 days$559.35
TAP PortugalThu, 05 Dec IAD LIS
Mon, 09 Dec LIS IAD Trip duration: 4 days$562.97
TAP PortugalSun, 10 Nov IAD LIS
Sun, 24 Nov LIS IAD Trip duration: 14 days$566.97
TAP PortugalSun, 08 Dec IAD LIS
Fri, 13 Dec LIS IAD Trip duration: 5 days$566.97
TAP PortugalTue, 03 Dec IAD LIS
Thu, 12 Dec LIS IAD Trip duration: 9 days$566.97
TAP PortugalWed, 13 Nov IAD LIS
Tue, 19 Nov LIS IAD Trip duration: 6 days$566.97
TAP PortugalFri, 06 Dec DCA LIS
Sun, 15 Dec LIS DCA Trip duration: 9 days$566.97
TAP PortugalMon, 09 Dec IAD LIS
Fri, 13 Dec LIS IAD Trip duration: 4 days$567.97
TAP PortugalFri, 14 Feb IAD LIS
Sat, 22 Feb LIS IAD Trip duration: 8 days$571.25
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Frequently Asked Questions
- How long is a direct flight from Dulles to Portugal?A direct flight from Dulles to Portugal takes roughly 07 hours 23 minutes.
- How many direct flights are there between Dulles to Portugal daily?On average, there are 4 direct flights from Dulles to Portugal each day.
- Which airlines offer cheap airfare from Dulles to Portugal?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Delta Air Lines, TAP Portugal and British Airways.
- Do I need my passport to fly from Dulles to Portugal?Yes, you most certainly do.
- Which airlines fly from Dulles to Portugal most often?JetBlue, Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Aer Lingus, British Airways, Icelandair, SAS and Air Canada are the top.
- What's the cheapest day to fly from Dulles to Portugal?That depends. Recently, the cheapest day to fly from Dulles to Portugal has been Monday. And the cheapest return flight from Wednesday 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 Portugal?When departing from Portugal you'll be flying out of Lisbon Portela.
- 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).
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