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Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $632

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Barcelona departing on 9/7. 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 Washington, D.C. Dulles Intl Airport to Barcelona (IAD-REU)

Cheap round-trip flights

Logo
8:25 pm - 8:20 pmIAD-REU
17h 55m1 stop
Logo
9:35 am - 7:30 pmREU-IAD
15h 55m1 stop
$632
Find Deal
Sun, Sep 7 - Tue, Sep 16
Logo
5:50 pm - 8:50 pmIAD-REU
21h 00m3 stops
Logo
11:00 am - 3:20 pmREU-IAD
34h 20m3 stops
$727
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
5:20 pm - 8:20 pmIAD-REU
21h 00m1 stop
Logo
9:35 am - 3:20 pmREU-IAD
35h 45m2 stops
$835
Find Deal
Sun, Sep 7 - Tue, Sep 16
Logo
9:35 am - 8:20 pmIAD-REU
28h 45m2 stops
Logo
2:10 pm - 8:50 pmREU-IAD
36h 40m3 stops
$867
Find Deal
Sun, Sep 7 - Tue, Sep 16
Logo
10:20 am - 8:20 pmIAD-REU
28h 00m3 stops
Logo
2:10 pm - 3:20 pmREU-IAD
31h 10m3 stops
$874
Find Deal
Sun, Sep 7 - Tue, Sep 16
Logo
5:20 pm - 8:20 pmIAD-REU
21h 00m1 stop
Logo
2:10 pm - 8:50 pmREU-IAD
36h 40m3 stops
$888
Find Deal
Sun, Sep 7 - Tue, Sep 16
Logo
5:20 pm - 12:30 pmIAD-REU
13h 10m1 stop
Logo
7:45 pm - 3:20 pmREU-IAD
25h 35m2 stops
$924
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
10:20 am - 8:55 pmIAD-REU
28h 35m2 stops
Logo
5:30 pm - 3:20 pmREU-IAD
27h 50m3 stops
$953
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
9:45 am - 8:20 pmIAD-REU
28h 35m3 stops
Logo
9:55 pm - 3:20 pmREU-IAD
47h 25m3 stops
$1,113
Find Deal
Sun, Aug 24 - Sun, Aug 31
Logo
3:25 pm - 3:55 pmIAD-REU
18h 30m2 stops
Logo
9:55 pm - 3:20 pmREU-IAD
47h 25m3 stops
$1,122
Find Deal
Sun, Aug 24 - Sun, Aug 31

Iberia flights from Washington, D.C. Dulles Intl Airport to Reus Airport

Our best Iberia deals on Washington, D.C. Dulles Intl Airport to Reus Airport flight tickets
Iberia
Aug 10
IAD4:35 pmWashington, D.C. Dulles Intl
33h 30m
2 stops
REU8:05 amReus
Aug 19
REU8:35 amReus
36h 25m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
$1,982
Find similar
Iberia
Aug 7
IAD4:35 pmWashington, D.C. Dulles Intl
35h 10m
2 stops
REU9:45 amReus
Aug 19
REU8:35 amReus
36h 25m
2 stops
IAD3:00 pmWashington, D.C. Dulles Intl
$2,032
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Reus Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Reus Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 9/7

8:25 pm-8:20 pm

1 stop17h 55m

Reus

Tue 9/16

9:35 am-7:30 pm

1 stop15h 55m

$632

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Thu 10/9

5:50 pm-8:50 pm

3 stops21h 00m

Reus

Thu 10/16

11:00 am-3:20 pm

3 stops34h 20m

$727

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 9/7

5:20 pm-8:20 pm

1 stop21h 00m

Reus

Tue 9/16

9:35 am-3:20 pm

2 stops35h 45m

$835

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 9/7

9:35 am-8:20 pm

2 stops28h 45m

Reus

Tue 9/16

2:10 pm-8:50 pm

3 stops36h 40m

$867

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 9/7

10:20 am-8:20 pm

3 stops28h 00m

Reus

Tue 9/16

2:10 pm-3:20 pm

3 stops31h 10m

$874

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 9/7

5:20 pm-8:20 pm

1 stop21h 00m

Reus

Tue 9/16

2:10 pm-8:50 pm

3 stops36h 40m

$888

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Thu 10/9

5:20 pm-12:30 pm

1 stop13h 10m

Reus

Thu 10/16

7:45 pm-3:20 pm

2 stops25h 35m

$924

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Thu 10/9

10:20 am-8:55 pm

2 stops28h 35m

Reus

Thu 10/16

5:30 pm-3:20 pm

3 stops27h 50m

$953

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 8/24

9:45 am-8:20 pm

3 stops28h 35m

Reus

Sun 8/31

9:55 pm-3:20 pm

3 stops47h 25m

$1,113

Washington, D.C.Reus

IAD - REU

IADREU

Washington, D.C. Dulles Intl

Sun 8/24

3:25 pm-3:55 pm

2 stops18h 30m

Reus

Sun 8/31

9:55 pm-3:20 pm

3 stops47h 25m

$1,122

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

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

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

Best Price Found

$632

Fastest flight time

12h 05m

Direct flights

None
The best flight deal from Washington, D.C. Dulles Intl Airport to Reus Airport found on momondo in the last 72 hours is $632
The fastest flight from Washington, D.C. Dulles Intl Airport to Reus Airport takes 12h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Reus Airport. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Reus Airport.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Reus by plane?

    Washington, D.C. Dulles Intl and Reus are 4007.9 mi apart from one another. In terms of flight time, this usually takes a little over 12h 05m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Reus Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Reus Airport.

  • What documentation or ID do you need to fly to Reus Airport?

    The required travel and health documents for your Reus Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Reus Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Reus Airport?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Reus Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Reus Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Washington, D.C..

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Washington, D.C..

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

If you are simply researching potential flights to Barcelona, momondo offers a useful price alert feature which will track prices for flights to Barcelona from Washington, D.C. and alert you when they change.

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