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Cheap flights from Washington, D.C. to Donegal from €593

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Donegal departing on 2/10. 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. to Donegal

Cheap return flights

Multiple Airlines Logo
20:30 - 20:00BWI-CFN
18h 30m2 stops
Multiple Airlines Logo
07:55 - 19:25CFN-BWI
16h 30m2 stops
€593Multiple Airlines
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Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
20:25 - 20:00IAD-CFN
18h 35m1 stop
Aer Lingus Logo
07:55 - 15:50CFN-IAD
12h 55m1 stop
€702Aer Lingus
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Thu, 2 Oct - Mon, 6 Oct
Multiple Airlines Logo
22:45 - 20:00IAD-CFN
16h 15m2 stops
Multiple Airlines Logo
10:00 - 18:55CFN-IAD
13h 55m1 stop
€732Multiple Airlines
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Tue, 7 Oct - Sun, 12 Oct
Multiple Airlines Logo
11:35 - 20:00IAD-CFN
27h 25m2 stops
Multiple Airlines Logo
14:30 - 15:50CFN-IAD
30h 20m1 stop
€751Multiple Airlines
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Thu, 2 Oct - Mon, 6 Oct
Multiple Airlines Logo
21:00 - 20:00IAD-CFN
18h 00m1 stop
Multiple Airlines Logo
10:00 - 15:50CFN-IAD
10h 50m1 stop
€766Multiple Airlines
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Tue, 7 Oct - Sun, 12 Oct
Multiple Airlines Logo
15:22 - 14:00DCA-CFN
17h 38m2 stops
Multiple Airlines Logo
13:20 - 07:45CFN-DCA
23h 25m2 stops
€773Multiple Airlines
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Tue, 7 Oct - Sun, 12 Oct
British Airways Logo
17:50 - 14:00IAD-CFN
15h 10m2 stops
British Airways Logo
10:00 - 20:20CFN-IAD
15h 20m2 stops
€798British Airways
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Tue, 7 Oct - Sun, 12 Oct
Multiple Airlines Logo
15:25 - 14:00IAD-CFN
17h 35m2 stops
Multiple Airlines Logo
14:30 - 16:15CFN-IAD
30h 45m2 stops
€804Multiple Airlines
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Thu, 2 Oct - Mon, 6 Oct
Multiple Airlines Logo
15:36 - 20:00IAD-CFN
23h 24m2 stops
Multiple Airlines Logo
14:30 - 15:20CFN-IAD
29h 50m3 stops
€818Multiple Airlines
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Thu, 2 Oct - Mon, 6 Oct
Multiple Airlines Logo
13:30 - 14:00DCA-CFN
19h 30m2 stops
Multiple Airlines Logo
07:55 - 23:12CFN-DCA
20h 17m2 stops
€886Multiple Airlines
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Thu, 2 Oct - Mon, 6 Oct

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 13,528 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Washington, D.C. to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Thu 2/10

20:30-20:00

2 stops18h 30m

Donegal

Mon 6/10

07:55-19:25

2 stops16h 30m

€593

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 2/10

20:25-20:00

1 stop18h 35m

Donegal

Mon 6/10

07:55-15:50

1 stop12h 55m

€702

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Tue 7/10

22:45-20:00

2 stops16h 15m

Donegal

Sun 12/10

10:00-18:55

1 stop13h 55m

€732

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 2/10

11:35-20:00

2 stops27h 25m

Donegal

Mon 6/10

14:30-15:50

1 stop30h 20m

€751

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Tue 7/10

21:00-20:00

1 stop18h 00m

Donegal

Sun 12/10

10:00-15:50

1 stop10h 50m

€766

Washington, D.C.Donegal

DCA - CFN

DCACFN

Washington, D.C. Reagan-National

Tue 7/10

15:22-14:00

2 stops17h 38m

Donegal

Sun 12/10

13:20-07:45

2 stops23h 25m

€773

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Tue 7/10

17:50-14:00

2 stops15h 10m

Donegal

Sun 12/10

10:00-20:20

2 stops15h 20m

€798

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 2/10

15:25-14:00

2 stops17h 35m

Donegal

Mon 6/10

14:30-16:15

2 stops30h 45m

€804

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 2/10

15:36-20:00

2 stops23h 24m

Donegal

Mon 6/10

14:30-15:20

3 stops29h 50m

€818

Washington, D.C.Donegal

DCA - CFN

DCACFN

Washington, D.C. Reagan-National

Thu 2/10

13:30-14:00

2 stops19h 30m

Donegal

Mon 6/10

07:55-23:12

2 stops20h 17m

€886

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. to Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Donegal according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Donegal (WAS to CFN) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Donegal. There are no popular flight routes from Washington, D.C. to Donegal.
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  • How far is Washington, D.C. to Donegal by plane?

    The distance between Washington, D.C. and Donegal is about 5290.3 km. A reasonable flight in good conditions will take 12h 30m.

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

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

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

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

    The travel and health documents you'll need for your trip to Donegal Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Donegal Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

    Price Alerts will notify you by email when the price for flights to Donegal from Washington, D.C. decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. to Donegal with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Donegal?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Donegal . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Donegal.

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

If you are not ready to book a flight from Washington, D.C. to Donegal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Donegal and let you know when they change.

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