Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Donegal from $1,032

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 Donegal departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Donegal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 2:00 pm
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
7:55 am - 8:25 pm
CFN
-
IAD
17h 30m
2 stops
$1,032Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
5:45 pm - 2:00 pm
IAD
-
CFN
15h 15m
2 stops
Multiple Airlines Logo
2:30 pm - 3:55 pm
CFN
-
IAD
30h 25m
2 stops
$1,128Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
8:55 pm - 2:00 pm
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 3:45 pm
CFN
-
IAD
30h 15m
1 stop
$1,142Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
8:40 pm - 2:00 pm
IAD
-
CFN
12h 20m
1 stop
Multiple Airlines Logo
7:55 am - 7:35 pm
CFN
-
IAD
16h 40m
1 stop
$1,161Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
Multiple Airlines Logo
8:55 pm - 2:00 pm
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 3:45 pm
CFN
-
IAD
30h 15m
1 stop
$1,174Multiple Airlines
Sun, Aug 16 - Sat, Aug 22
Multiple Airlines Logo
10:25 pm - 2:00 pm
IAD
-
CFN
34h 35m
2 stops
Multiple Airlines Logo
2:30 pm - 3:45 pm
CFN
-
IAD
30h 15m
1 stop
$1,183Multiple Airlines
Sun, Aug 16 - Sat, Aug 22
Multiple Airlines Logo
10:25 pm - 2:00 pm
IAD
-
CFN
34h 35m
2 stops
Multiple Airlines Logo
2:30 pm - 3:45 pm
CFN
-
IAD
30h 15m
1 stop
$1,186Multiple Airlines
Sun, Aug 16 - Sat, Aug 22
British Airways Logo
5:45 pm - 2:00 pm
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
2:30 pm - 3:55 pm
CFN
-
IAD
30h 25m
2 stops
$1,236British Airways
Sun, Aug 16 - Sat, Aug 22
Multiple Airlines Logo
4:20 pm - 8:00 pm
IAD
-
CFN
22h 40m
3 stops
Multiple Airlines Logo
2:30 pm - 3:10 pm
CFN
-
IAD
29h 40m
3 stops
$1,248Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
British Airways Logo
5:45 pm - 2:00 pm
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
2:30 pm - 8:20 pm
CFN
-
IAD
34h 50m
2 stops
$1,268British Airways
Sun, Aug 16 - Sat, Aug 22

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

British Airways flights from Washington, D.C. Dulles Intl Airport to Donegal

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Donegal flight tickets
British Airways
Aug 16
IAD5:45 pmWashington, D.C. Dulles Intl
15h 15m
2 stops
CFN2:00 pmDonegal
Aug 22
CFN2:30 pmDonegal
30h 25m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,236
British Airways
Aug 16
IAD5:45 pmWashington, D.C. Dulles Intl
15h 15m
2 stops
CFN2:00 pmDonegal
Aug 22
CFN2:30 pmDonegal
34h 50m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$1,268
British Airways
Sep 18
IAD5:45 pmWashington, D.C. Dulles Intl
15h 15m
2 stops
CFN2:00 pmDonegal
Sep 22
CFN2:30 pmDonegal
34h 10m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl
$1,306

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Donegal 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 July 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 9/9

8:55 pm-2:00 pm

1 stop12h 05m

Donegal

Wed 9/16

7:55 am-8:25 pm

2 stops17h 30m

$1,032

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 9/9

5:45 pm-2:00 pm

2 stops15h 15m

Donegal

Wed 9/16

2:30 pm-3:55 pm

2 stops30h 25m

$1,128

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 9/9

8:55 pm-2:00 pm

1 stop12h 05m

Donegal

Wed 9/16

2:30 pm-3:45 pm

1 stop30h 15m

$1,142
Quickest round-trip

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 9/3

8:40 pm-2:00 pm

1 stop12h 20m

Donegal

Tue 9/8

7:55 am-7:35 pm

1 stop16h 40m

$1,161

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/16

8:55 pm-2:00 pm

1 stop12h 05m

Donegal

Sat 8/22

2:30 pm-3:45 pm

1 stop30h 15m

$1,174

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/16

10:25 pm-2:00 pm

2 stops34h 35m

Donegal

Sat 8/22

2:30 pm-3:45 pm

1 stop30h 15m

$1,183

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/16

10:25 pm-2:00 pm

2 stops34h 35m

Donegal

Sat 8/22

2:30 pm-3:45 pm

1 stop30h 15m

$1,186

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/16

5:45 pm-2:00 pm

2 stops15h 15m

Donegal

Sat 8/22

2:30 pm-3:55 pm

2 stops30h 25m

$1,236

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 9/3

4:20 pm-8:00 pm

3 stops22h 40m

Donegal

Tue 9/8

2:30 pm-3:10 pm

3 stops29h 40m

$1,248

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/16

5:45 pm-2:00 pm

2 stops15h 15m

Donegal

Sat 8/22

2:30 pm-8:20 pm

2 stops34h 50m

$1,268

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 Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Donegal 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 Donegal (IAD to CFN) flight deals and tips

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

Fastest flight time

12h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Donegal takes 12h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Donegal. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Donegal.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Donegal

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

    A flight from Washington, D.C. Dulles Intl to Donegal will travel around 3301.5 mi. 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 Donegal Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Donegal Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Donegal Airport.

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

    The necessary travel and health documents for your Donegal 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.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Donegal

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

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Donegal. 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 Donegal with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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.

Traveling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Letterkenny
Killybegs

Why use momondo?

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

Finding the right flight to Donegal from Washington, D.C. 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 Donegal quick and easy, saving you time and money.

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

Flights from Washington, D.C. to Donegal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Washington, D.C. to Donegal 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 Washington, D.C. to Donegal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Donegal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Donegal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 8/26
Wed 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland