Cheap flights from Porto to Dulles from $0
Compare prices across airlines and find the best deals
|
Discover deals on Porto to Dulles flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Porto to Dulles
Best
1 stop
8 Feb
DEP
18:00
OPO
1×
15:15
IAD
--
8 Feb
DEPARTURE
18:00 - 15:15
--
OPO
1 stop
IAD
1 stop
8 Feb
DEP
20:00
OPO
1×
15:15
IAD
--
8 Feb
DEPARTURE
20:00 - 15:15
--
OPO
1 stop
IAD
TAP Air Portugal flights from Porto to Dulles
Our best TAP Air Portugal deals on Porto to Dulles tickets
Best
1 stop
8 Feb
DEP
18:00
OPO
1×
15:15
IAD
--
8 Feb
DEPARTURE
18:00 - 15:15
--
OPO
1 stop
IAD
1 stop
8 Feb
DEP
20:00
OPO
1×
15:15
IAD
--
8 Feb
DEPARTURE
20:00 - 15:15
--
OPO
1 stop
IAD
What's the cheapest day of the week to fly from Porto to Dulles?
If your flying dates are flexible, you should consider flying to Dulles on a Mon, as we generally find the cheapest rates on that day. On the other hand, Wed is the most expensive day to fly.
What is the cheapest month to fly from Porto to Dulles?
The cheapest month for flights from Porto to Dulles is Oct, where tickets cost $926 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$1343$1135$926
Travellers love booked.ai
54,345
searches in the past 7 days
550
searches for Porto to Dulles
Everything you should know
Cheapest one-way flight
$975
Typical prices: $975–$1275
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
✓IATA accredited — Book with confidence through an IATA-accredited travel agent
✓Track prices — Not ready to book? Create a price alert for when prices drop
✓Free to use — There are no hidden charges or fees
Frequently asked questions
The cheapest flight from Porto to Dulles currently costs AUD $975. Prices typically range from $975 to $1275. Prices change frequently, so we recommend booking early and being flexible with your travel dates.