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Cheap flights from Lisbon to Washington, D.C. Dulles Intl Airport from $328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Washington, D.C. Dulles Intl Airport departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lisbon to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Lisbon to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Lisbon to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Lisbon to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Lisbon to Washington, D.C.

Find recent round-trip train or bus tickets from Lisbon to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
6:35 am - 4:05 pmLIS-IAD
14h 30m1 stop
10:40 pm - 11:10 pmIAD-LIS
19h 30m1 stop
$452Finnair
Find Deal
Fri, May 16 - Mon, May 26
6:35 am - 4:05 pmLIS-IAD
14h 30m1 stop
10:40 pm - 11:00 pmIAD-LIS
19h 20m1 stop
$456Finnair
Find Deal
Fri, May 16 - Sun, May 25
11:25 am - 3:45 pmLIS-IAD
33h 20m1 stop
6:30 pm - 11:20 amIAD-LIS
11h 50m1 stop
Thu, Feb 6 - Mon, Feb 10
7:30 am - 8:10 pmLIS-IAD
17h 40m1 stop
5:40 pm - 11:50 amIAD-LIS
13h 10m1 stop
Thu, Apr 10 - Thu, Apr 17
5:00 am - 9:23 pmLIS-IAD
20h 23m2 stops
5:32 pm - 7:20 amIAD-LIS
9h 48m1 stop
$526United Airlines
Find Deal
Sat, Mar 22 - Sat, Mar 29
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$531TAP AIR PORTUGAL
Find Deal
Thu, Jan 23 - Wed, Feb 5
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$533TAP AIR PORTUGAL
Find Deal
Thu, Jan 23 - Wed, Feb 5
6:10 am - 8:05 pmLIS-IAD
18h 55m1 stop
11:10 pm - 10:15 amIAD-LIS
7h 05mnonstop
$539Lufthansa
Find Deal
Wed, Mar 5 - Mon, Mar 10
6:10 am - 9:05 pmLIS-IAD
18h 55m1 stop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$540Lufthansa
Find Deal
Sat, Mar 22 - Sat, Mar 29
5:00 am - 2:40 pmLIS-IAD
14h 40m1 stop
5:47 pm - 8:10 amIAD-LIS
9h 23m1 stop
$542United Airlines
Find Deal
Sat, Feb 1 - Sun, Feb 16
7:30 pm - 7:40 pmLIS-IAD
28h 10m2 stops
Sat, Mar 15
5:55 am - 6:19 pmLIS-IAD
41h 24m2 stops
Thu, Jan 30
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
$423TAP AIR PORTUGAL
Find Deal
Sat, Feb 1
10:15 pm - 3:50 pmLIS-IAD
22h 35m1 stop
$454Aer Lingus
Find Deal
Wed, May 28
10:15 pm - 3:50 pmLIS-IAD
22h 35m1 stop
$460Aer Lingus
Find Deal
Tue, Apr 15
5:00 pm - 8:20 pmLIS-IAD
8h 20mnonstop
$504TAP AIR PORTUGAL
Find Deal
Thu, Apr 3
6:10 am - 3:55 pmLIS-IAD
14h 45m1 stop
$552Lufthansa
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Fri, Jan 10
11:55 am - 3:35 pmLIS-IAD
8h 40mnonstop
$591Lufthansa
Find Deal
Fri, Dec 27
9:50 am - 9:46 amLIS-IAD
28h 56m2 stops
$849United Airlines
Find Deal
Wed, Jan 1
5:00 am - 8:15 pmLIS-IAD
20h 15m2 stops
$999United Airlines
Find Deal
Wed, Jan 8
3:25 pm - 3:45 pmLIS-IAD
29h 20m1 stop
4:15 pm - 8:00 amIAD-LIS
10h 45m1 stop
$569KLM
Find Deal
Thu, Dec 26 - Tue, Dec 31
7:05 am - 7:45 pmLIS-IAD
17h 40m1 stop
6:00 pm - 2:50 pmIAD-LIS
15h 50m1 stop
$570British Airways
Find Deal
Mon, Dec 23 - Sat, Jan 11
5:00 am - 4:47 pmLIS-IAD
16h 47m2 stops
6:30 pm - 11:20 amIAD-LIS
11h 50m1 stop
$576Delta
Find Deal
Mon, Dec 23 - Sat, Jan 11
3:25 pm - 3:45 pmLIS-IAD
29h 20m1 stop
5:35 pm - 11:10 pmIAD-LIS
24h 35m1 stop
$594KLM
Find Deal
Thu, Dec 26 - Mon, Dec 30
5:00 am - 4:47 pmLIS-IAD
16h 47m2 stops
12:05 pm - 11:20 amIAD-LIS
18h 15m2 stops
$611Delta
Find Deal
Mon, Dec 23 - Sat, Jan 11
5:00 am - 9:46 amLIS-IAD
33h 46m2 stops
10:05 pm - 10:00 amIAD-LIS
6h 55mnonstop
$676United Airlines
Find Deal
Mon, Dec 23 - Sat, Jan 4
5:00 am - 9:46 amLIS-IAD
33h 46m2 stops
10:05 pm - 10:00 amIAD-LIS
6h 55mnonstop
$678United Airlines
Find Deal
Mon, Dec 23 - Sat, Jan 4
11:55 am - 3:35 pmLIS-IAD
8h 40mnonstop
10:10 pm - 10:15 amIAD-LIS
7h 05mnonstop
$809Lufthansa
Find Deal
Mon, Dec 23 - Mon, Dec 30
11:30 am - 3:10 pmLIS-IAD
8h 40mnonstop
10:05 pm - 10:00 amIAD-LIS
6h 55mnonstop
$840Lufthansa
Find Deal
Sun, Dec 22 - Sat, Dec 28
9:15 am - 1:00 pmLIS-IAD
8h 45mnonstop
5:30 pm - 5:35 amIAD-LIS
7h 05mnonstop
$934TAP AIR PORTUGAL
Find Deal
Mon, Dec 23 - Sat, Jan 11
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$531TAP AIR PORTUGAL
Find Deal
Thu, Jan 23 - Wed, Feb 5
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$533TAP AIR PORTUGAL
Find Deal
Thu, Jan 23 - Wed, Feb 5
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$537TAP AIR PORTUGAL
Find Deal
Thu, Jan 23 - Wed, Feb 5
11:55 am - 3:35 pmLIS-IAD
8h 40mnonstop
11:10 pm - 10:15 amIAD-LIS
7h 05mnonstop
$551Lufthansa
Find Deal
Wed, Mar 5 - Mon, Mar 10
5:15 pm - 10:00 pmLIS-IAD
8h 45mnonstop
11:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$592TAP AIR PORTUGAL
Find Deal
Wed, Mar 12 - Wed, Mar 19
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:15 pm - 10:25 amIAD-LIS
7h 10mnonstop
$600TAP AIR PORTUGAL
Find Deal
Thu, Feb 13 - Fri, Oct 17
10:45 am - 3:30 pmLIS-IAD
8h 45mnonstop
11:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$612TAP AIR PORTUGAL
Find Deal
Tue, Mar 11 - Wed, Mar 19
12:20 pm - 3:35 pmLIS-IAD
8h 15mnonstop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$1,011United Airlines
Find Deal
Tue, Jun 17 - Sat, Jun 21
12:20 pm - 3:35 pmLIS-IAD
8h 15mnonstop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$1,012United Airlines
Find Deal
Tue, Jun 17 - Sat, Jun 21
11:15 am - 3:00 pmLIS-IAD
8h 45mnonstop
10:30 pm - 10:35 amIAD-LIS
7h 05mnonstop
$1,663JetBlue
Find Deal
Thu, Jan 9 - Fri, Jan 17

Air Canada flights from Lisbon to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Lisbon to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Mar 13
LIS8:50 amLisbon Humberto Delgado
16h 33m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
Mar 19
IAD3:55 pmWashington, D.C. Dulles Intl
15h 05m
2 stops
LIS11:00 amLisbon Humberto Delgado
Air Canada
Dec 22
LIS10:50 amLisbon Humberto Delgado
29h 40m
2 stops
IAD11:30 amWashington, D.C. Dulles Intl
Dec 29
IAD2:35 pmWashington, D.C. Dulles Intl
15h 50m
2 stops
LIS11:25 amLisbon Humberto Delgado

Air France flights from Lisbon to Washington, D.C. Dulles Intl Airport

Our best Air France deals on Lisbon to Washington, D.C. Dulles Intl Airport flight tickets
Air France
May 17
LIS5:40 amLisbon Humberto Delgado
18h 35m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
May 24
IAD9:20 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
LIS5:55 pmLisbon Humberto Delgado
Air France
May 18
LIS5:40 amLisbon Humberto Delgado
18h 35m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
May 24
IAD9:20 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Air France
Mar 11
LIS5:30 amLisbon Humberto Delgado
15h 15m
2 stops
IAD4:45 pmWashington, D.C. Dulles Intl
Mar 19
IAD7:30 pmWashington, D.C. Dulles Intl
15h 40m
1 stop
LIS3:10 pmLisbon Humberto Delgado

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lisbon to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Lisbon to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $562. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $652.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $653. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Lisbon to Washington, D.C. Dulles Intl Airport for around $781.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Lisbon in the morning is the least expensive time of day to depart. momondo users have found prices as low as $722 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $734 on average. Flights to Washington, D.C. Dulles Intl Airport from Lisbon in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Lisbon Humberto Delgado to Washington, D.C. Dulles Intl flight route?

Fly from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl for the best Lisbon Humberto Delgado - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

The ideal time to book your flight to Washington, D.C. Dulles Intl Airport is 60 days in advance when prices tend to average $753. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Lisbon for as low as $484 on momondo.

What cabin class options are available on Lisbon Humberto Delgado to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Lisbon to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Lisbon to Washington, D.C. Dulles Intl Airport flight.

How have Lisbon to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2024, prices for Lisbon to Washington, D.C. Dulles Intl Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lisbon to Washington, D.C. Dulles Intl Airport (LIS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Washington, D.C. Dulles Intl Airport

Best Price Found

$328

Fastest flight time

8h 15m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Lisbon in the past 72 hours is $328. The best round-trip flight deal from Lisbon to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $452.
The fastest flight from Lisbon to Washington, D.C. Dulles Intl Airport takes 8h 15m
Direct flights go from Lisbon to Washington, D.C. Dulles Intl Airport every day.

  • How far is Lisbon Humberto Delgado to Washington, D.C. Dulles Intl by plane?

    A flight from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl will travel around 3581.5 mi. A reasonable flight in good conditions will take 8h 15m.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Lisbon to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Lisbon to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Lisbon to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Lisbon to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $530Free CancellationRating
7.1
1,882 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,080 reviews
Search Lufthansa flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
9,039 reviews
Search United Airlines flights
  • United Airlines Flights From Lisbon to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Lisbon to Washington, D.C. Dulles Intl Airport around 5 times per week, with 9,039 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Lisbon to Washington, D.C. Dulles Intl Airport in the last 72 hours was $543 (round-trip), much lower than the average airfare cost of $711 for United Airlines flights on this route.

  • TAP AIR PORTUGAL Flights From Lisbon to Washington, D.C. Dulles Intl Airport

    Across 1,882 TAP AIR PORTUGAL reviews on momondo, the average score is 7.1/10. TAP AIR PORTUGAL flies from Lisbon to Washington, D.C. Dulles Intl Airport about 5 times each week, with ticket deals ranging from $530 to $719. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Washington, D.C.?

Finding the right flight to Washington, D.C. from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Lisbon to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Lisbon with this policy.

How can momondo help me find flights from Lisbon to Washington, D.C.?

Once all potential Lisbon to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Lisbon to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Lisbon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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