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Cheap Flights from North America to Portugal
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Adults 18+
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Average price per month
- Low Season: January
- High Season: June
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in January, September and November.
- High season months are April, 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 38% 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 59 days before departure!
- Consider booking at least 23 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 (OPO) |
| Distance | 5698.85 km |
| Current Discount | 38 % |
| Average Price | $856.89 |
| Good Deal | $418.55 |
| Cheapest Airlines | Delta Air Lines, Virgin Atlantic Airways, KLM Royal Dutch Airlines, TAP Portugal |
| Popular Airlines | JetBlue, Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, British Airways, Icelandair, SAS, Air Canada, Brussels Airlines |
| Flight Duration | 07 hours 18 minutes |
| Flights Depart From |
| Dulles (IAD) |
| Flights Arrive In |
| Portugal (OPO) |
| Distance |
| 5698.85 km |
| Flight Duration |
| 07 hours 18 minutes |
| Current Discount |
| 38 % |
| Average Price |
| $856.89 |
| Good Deal |
| $418.55 |
| Cheapest Airlines |
| Delta Air Lines, Virgin Atlantic Airways, KLM Royal Dutch Airlines, TAP Portugal |
| Popular Airlines |
| JetBlue, Virgin Atlantic Airways, KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, British Airways, Icelandair, SAS, Air Canada, Brussels Airlines |
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 |
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 |
Brussels Airlines |
3.4 | 3.5 | 3.5 | 4.0 | 3.5 | 3.0 | 2.5 | 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
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
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.0
Entertainment
2.5
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 38% 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, Virgin Atlantic Airways, KLM Royal Dutch Airlines and TAP Portugal..
Delta Air LinesSun, 27 Oct IAD OPO
Fri, 08 Nov OPO IAD Trip duration: 13 days$418.1
Delta Air LinesSat, 16 Nov BWI OPO
Sat, 23 Nov OPO BWI Trip duration: 7 days$418.4
Delta Air LinesFri, 29 Nov IAD OPO
Sun, 08 Dec OPO IAD Trip duration: 9 days$419
Delta Air LinesSun, 27 Oct IAD OPO
Thu, 07 Nov OPO IAD Trip duration: 12 days$419.5
Delta Air LinesWed, 11 Dec DCA LIS
Tue, 17 Dec LIS DCA Trip duration: 6 days$446
Delta Air LinesMon, 04 Nov IAD LIS
Tue, 19 Nov LIS IAD Trip duration: 15 days$446
Virgin Atlantic AirwaysThu, 05 Dec IAD LIS
Sat, 14 Dec LIS IAD Trip duration: 9 days$446
Delta Air LinesTue, 26 Nov IAD LIS
Wed, 04 Dec LIS IAD Trip duration: 8 days$446
Delta Air LinesWed, 06 Nov IAD LIS
Wed, 13 Nov LIS IAD Trip duration: 7 days$446
KLM Royal Dutch AirlinesSat, 02 Nov IAD OPO
Sat, 16 Nov OPO IAD Trip duration: 15 days$450.8
Delta Air LinesSat, 11 Jan BWI LIS
Mon, 20 Jan LIS BWI Trip duration: 9 days$456
Delta Air LinesTue, 18 Feb IAD LIS
Tue, 25 Feb LIS IAD Trip duration: 7 days$456
Delta Air LinesMon, 10 Feb IAD LIS
Mon, 17 Feb LIS IAD Trip duration: 7 days$456.3
TAP PortugalTue, 14 Jan IAD FAO
Tue, 21 Jan FAO IAD Trip duration: 7 days$456.97
TAP PortugalSat, 09 Nov BWI FAO
Tue, 19 Nov FAO BWI Trip duration: 10 days$456.97
TAP PortugalSun, 16 Mar IAD LIS
Sun, 23 Mar LIS IAD Trip duration: 7 days$466.97
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Inexpensive Cars in Portugal
Frequently Asked Questions
- How long is a direct flight from Dulles to Portugal?A direct flight from Dulles to Portugal takes roughly 07 hours 18 minutes.
- 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, Virgin Atlantic Airways, KLM Royal Dutch Airlines and TAP Portugal.
- 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, British Airways, Icelandair, SAS, Air Canada and Brussels Airlines 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 Wednesday. And the cheapest return flight from Thursday 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 Porto Airport.
- 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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