Cheap flights from Dulles to Lisbon from $0
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Discover deals on Dulles to Lisbon flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Dulles to Lisbon
Best
1 stop
8 Feb
DEP
20:45
IAD
1×
16:55
LIS
15h 10m
8 Feb
DEPARTURE
20:45 - 16:55
15h 10m
IAD
1 stop
LIS
1 stop
8 Feb
DEP
20:45
IAD
1×
11:35
LIS
9h 50m
8 Feb
DEPARTURE
20:45 - 11:35
9h 50m
IAD
1 stop
LIS
Royal Air Maroc flights from Dulles to Lisbon
Our best Royal Air Maroc deals on Dulles to Lisbon tickets
Best
1 stop
8 Feb
DEP
20:45
IAD
1×
16:55
LIS
15h 10m
8 Feb
DEPARTURE
20:45 - 16:55
15h 10m
IAD
1 stop
LIS
1 stop
8 Feb
DEP
20:45
IAD
1×
11:35
LIS
9h 50m
8 Feb
DEPARTURE
20:45 - 11:35
9h 50m
IAD
1 stop
LIS
Turkish Airlines flights from Dulles to Lisbon
Our best Turkish Airlines deals on Dulles to Lisbon tickets
Best
1 stop
8 Feb
DEP
21:15
IAD
1×
23:00
LIS
20h 45m
8 Feb
DEPARTURE
21:15 - 23:00
20h 45m
IAD
1 stop
LIS
1 stop
8 Feb
DEP
13:30
IAD
1×
15:05
LIS
20h 35m
8 Feb
DEPARTURE
13:30 - 15:05
20h 35m
IAD
1 stop
LIS
TAP Air Portugal flights from Dulles to Lisbon
Our best TAP Air Portugal deals on Dulles to Lisbon tickets
Best
8 Feb
DEP
22:30
IAD
10:35
LIS
7h 5m
8 Feb
DEPARTURE
22:30 - 10:35
7h 5m
IAD
LIS
8 Feb
DEP
22:30
IAD
10:35
LIS
7h 5m
8 Feb
DEPARTURE
22:30 - 10:35
7h 5m
IAD
LIS
Aer Lingus flights from Dulles to Lisbon
Our best Aer Lingus deals on Dulles to Lisbon tickets
Best
1 stop
8 Feb
DEP
17:05
IAD
1×
10:10
LIS
12h 5m
8 Feb
DEPARTURE
17:05 - 10:10
12h 5m
IAD
1 stop
LIS
Air Canada flights from Dulles to Lisbon
Our best Air Canada deals on Dulles to Lisbon tickets
Best
1 stop
8 Feb
DEP
09:00
IAD
1×
09:20
LIS
19h 20m
8 Feb
DEPARTURE
09:00 - 09:20
19h 20m
IAD
1 stop
LIS
What's the cheapest day of the week to fly from Dulles to Lisbon?
If your flying dates are flexible, you should consider flying to Lisbon 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 Dulles to Lisbon?
The cheapest month for flights from Dulles to Lisbon is Oct, where tickets cost $489 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$710$600$489
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Everything you should know
Cheapest one-way flight
$515
Typical prices: $515–$815
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.
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Frequently asked questions
The cheapest flight from Dulles to Lisbon currently costs AUD $515. Prices typically range from $515 to $815. Prices change frequently, so we recommend booking early and being flexible with your travel dates.