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Cheap flights from Washington, D.C. Dulles Intl Airport to Donegal from $866

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 1/13. 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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0 bags

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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
6:20 pm - 2:00 pm
IAD
-
CFN
14h 40m2 stops
Multiple Airlines Logo
7:55 am - 3:35 pm
CFN
-
IAD
12h 40m1 stop
$866Multiple Airlines
mar., ene. 13 - mar., ene. 20
British Airways Logo
6:20 pm - 2:00 pm
IAD
-
CFN
14h 40m2 stops
British Airways Logo
7:55 am - 7:55 pm
CFN
-
IAD
17h 00m2 stops
$876British Airways
mar., ene. 13 - mar., ene. 20
Aer Lingus Logo
5:05 pm - 2:00 pm
IAD
-
CFN
15h 55m1 stop
Aer Lingus Logo
7:55 am - 3:35 pm
CFN
-
IAD
12h 40m1 stop
$897Aer Lingus
mar., ene. 13 - mar., ene. 20
British Airways Logo
9:45 pm - 8:00 pm
IAD
-
CFN
17h 15m2 stops
British Airways Logo
7:55 am - 3:35 pm
CFN
-
IAD
36h 40m2 stops
$957British Airways
vie., ene. 30 - mar., feb. 3
British Airways Logo
9:45 pm - 8:00 pm
IAD
-
CFN
17h 15m2 stops
British Airways Logo
7:55 am - 7:55 pm
CFN
-
IAD
17h 00m2 stops
$1,101British Airways
mar., ene. 27 - vie., ene. 30

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
Jan 13
IAD6:20 pmWashington, D.C. Dulles Intl
14h 40m
2 stops
CFN2:00 pmDonegal
Jan 20
CFN7:55 amDonegal
17h 00m
2 stops
IAD7:55 pmWashington, D.C. Dulles Intl
$876
Find similar
British Airways
Jan 30
IAD9:45 pmWashington, D.C. Dulles Intl
17h 15m
2 stops
CFN8:00 pmDonegal
Feb 3
CFN7:55 amDonegal
36h 40m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
$957
Find similar
British Airways
Jan 27
IAD9:45 pmWashington, D.C. Dulles Intl
17h 15m
2 stops
CFN8:00 pmDonegal
Jan 30
CFN7:55 amDonegal
17h 00m
2 stops
IAD7:55 pmWashington, D.C. Dulles Intl
$1,101
Find similar

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 diciembre 17, 2025.
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

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

mar. 1/13

6:20 pm-2:00 pm

2 stops14h 40m

Donegal

mar. 1/20

7:55 am-3:35 pm

1 stop12h 40m

$866

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

mar. 1/13

6:20 pm-2:00 pm

2 stops14h 40m

Donegal

mar. 1/20

7:55 am-7:55 pm

2 stops17h 00m

$876

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

mar. 1/13

5:05 pm-2:00 pm

1 stop15h 55m

Donegal

mar. 1/20

7:55 am-3:35 pm

1 stop12h 40m

$897

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

vie. 1/30

9:45 pm-8:00 pm

2 stops17h 15m

Donegal

mar. 2/3

7:55 am-3:35 pm

2 stops36h 40m

$957

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

mar. 1/27

9:45 pm-8:00 pm

2 stops17h 15m

Donegal

vie. 1/30

7:55 am-7:55 pm

2 stops17h 00m

$1,101

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

14h 40m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Donegal takes 14h 40m
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.
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  • 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 14h 40m.

  • 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.

  • 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
Downings
Bundoran
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.

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