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Cheap Flights from North America to Porto (OPO)
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Average price per month
- Low Season: November
- High Season: July
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in November, December and October.
- High season months are May, June and July. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Dulles to Porto 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 52 days before departure!
- Consider booking at least 26 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 Porto Flight Information
| Flights Depart From | Dulles (IAD) |
| Flights Arriving To | Porto (OPO) |
| Distance | 5698.85 km |
| Current Discount | 38 % |
| Average Price | $1120.51 |
| Good Deal | $586.97 |
| Cheapest Airlines | SAS, Swiss International Air Lines, TAP Portugal |
| Popular Airlines | Swiss International Air Lines, SAS, TAP Portugal |
| Flight Duration | 07 hours 18 minutes |
| Flights Depart From |
| Dulles (IAD) |
| Flights Arrive In |
| Porto (OPO) |
| Distance |
| 5698.85 km |
| Flight Duration |
| 07 hours 18 minutes |
| Current Discount |
| 38 % |
| Average Price |
| $1120.51 |
| Good Deal |
| $586.97 |
| Cheapest Airlines |
| SAS, Swiss International Air Lines, TAP Portugal |
| Popular Airlines |
| Swiss International Air Lines, SAS, TAP Portugal |
Most Reliable Airlines flying to Porto
- According to our data, Swiss International Air Lines, SAS and TAP Portugal have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: SAS and Swiss International Air Lines.
- If cleanliness is important for you then you should consider flying with Swiss International Air Lines and SAS.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Swiss International Air Lines |
3.8 | 3.5 | 4.0 | 4.5 | 4.0 | 4.0 | 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 |
TAP Portugal |
3.4 | - | 3.5 | 4.0 | 3.5 | 3.5 | 2.5 | 3.5 | 3.5 |
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
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
-
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Good to know:
- Porto Airport is the major airport in Porto and surrounding area.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Porto flight deals.
Track the flight prices from Dulles to Porto 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 Porto?
Currently there is a 38% discount on flights to Porto. 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 Porto: SAS, Swiss International Air Lines and TAP Portugal..
SASWed, 23 Apr IAD OPO
Wed, 21 May OPO IAD Trip duration: 28 days$586.97
Swiss International Air LinesFri, 21 Mar BWI OPO
Sat, 05 Apr OPO BWI Trip duration: 15 days$609.11
SASThu, 15 May IAD OPO
Sun, 01 Jun OPO IAD Trip duration: 17 days$841.97
TAP PortugalFri, 20 Jun IAD OPO
Sat, 05 Jul OPO IAD Trip duration: 15 days$1107.21
TAP PortugalThu, 26 Jun IAD OPO
Sat, 26 Jul OPO IAD Trip duration: 30 days$1120.51
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Frequently Asked Questions
- How long is a direct flight from Dulles to Porto?A direct flight from Dulles to Porto takes roughly 07 hours 18 minutes.
- Which airlines offer cheap airfare from Dulles to Porto?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with SAS, Swiss International Air Lines and TAP Portugal.
- Do I need my passport to fly from Dulles to Porto?Yes, you most certainly do.
- Which airlines fly from Dulles to Porto most often?Swiss International Air Lines, SAS and TAP Portugal are the top.
- What's the cheapest day to fly from Dulles to Porto?That depends. Recently, the cheapest day to fly from Dulles to Porto 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 Porto?When departing from Porto 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).
- 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.