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Cheap flights from Washington, D.C. to Donegal from €326

This is the cheapest one-way 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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Washington, D.C. to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:45 - 14:00
IAD
-
CFN
17h 15m
2 stops
Multiple Airlines Logo
14:30 - 19:25
CFN
-
IAD
33h 55m
2 stops
€871Multiple Airlines
Sun, 12 Jul - Sun, 19 Jul
Multiple Airlines Logo
17:15 - 14:00
IAD
-
CFN
15h 45m
1 stop
Multiple Airlines Logo
14:30 - 15:30
CFN
-
IAD
30h 00m
2 stops
€913Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Aer Lingus Logo
21:00 - 14:00
IAD
-
CFN
12h 00m
1 stop
Aer Lingus Logo
07:55 - 15:45
CFN
-
IAD
12h 50m
1 stop
€914Aer Lingus
Sun, 12 Jul - Sun, 19 Jul
Aer Lingus Logo
20:55 - 14:00
IAD
-
CFN
12h 05m
1 stop
Aer Lingus Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
1 stop
€976Aer Lingus
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
17:15 - 14:00
IAD
-
CFN
15h 45m
1 stop
Multiple Airlines Logo
14:30 - 15:10
CFN
-
IAD
29h 40m
2 stops
€1,029Multiple Airlines
Sun, 12 Jul - Sun, 19 Jul
Aer Lingus Logo
17:15 - 14:00
IAD
-
CFN
15h 45m
1 stop
Aer Lingus Logo
14:30 - 15:30
CFN
-
IAD
30h 00m
2 stops
€1,035Aer Lingus
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
12:40 - 14:00
IAD
-
CFN
20h 20m
3 stops
Multiple Airlines Logo
07:55 - 15:10
CFN
-
IAD
36h 15m
3 stops
€1,041Multiple Airlines
Sun, 12 Jul - Sun, 19 Jul
British Airways Logo
17:45 - 14:00
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
14:30 - 15:55
CFN
-
IAD
30h 25m
2 stops
€1,065British Airways
Mon, 5 Oct - Mon, 12 Oct
British Airways Logo
19:25 - 14:00
BWI
-
CFN
13h 35m
2 stops
British Airways Logo
14:30 - 19:40
CFN
-
BWI
34h 10m
2 stops
€1,224British Airways
Tue, 25 Aug - Thu, 27 Aug
British Airways Logo
19:25 - 14:00
BWI
-
CFN
13h 35m
2 stops
British Airways Logo
14:30 - 19:40
CFN
-
BWI
34h 10m
2 stops
€1,225British Airways
Tue, 25 Aug - Thu, 27 Aug

British Airways flights from Washington, D.C. to Donegal

Our best British Airways deals on Washington, D.C. to Donegal flight tickets
British Airways
5 Oct
IAD17:45Washington, D.C. Dulles Intl
15h 15m
2 stops
CFN14:00Donegal
12 Oct
CFN14:30Donegal
30h 25m
2 stops
IAD15:55Washington, D.C. Dulles Intl
€1,065
British Airways
25 Aug
BWI19:25Baltimore/Washington
13h 35m
2 stops
CFN14:00Donegal
27 Aug
CFN14:30Donegal
34h 10m
2 stops
BWI19:40Baltimore/Washington
€1,224
British Airways
25 Aug
BWI19:25Baltimore/Washington
13h 35m
2 stops
CFN14:00Donegal
27 Aug
CFN14:30Donegal
34h 10m
2 stops
BWI19:40Baltimore/Washington
€1,225

Aer Lingus flights from Washington, D.C. to Donegal

Our best Aer Lingus deals on Washington, D.C. to Donegal flight tickets
Aer Lingus
12 Jul
IAD21:00Washington, D.C. Dulles Intl
12h 00m
1 stop
CFN14:00Donegal
19 Jul
CFN07:55Donegal
12h 50m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€914
Aer Lingus
5 Oct
IAD20:55Washington, D.C. Dulles Intl
12h 05m
1 stop
CFN14:00Donegal
12 Oct
CFN14:30Donegal
30h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€976
Aer Lingus
5 Oct
IAD17:15Washington, D.C. Dulles Intl
15h 45m
1 stop
CFN14:00Donegal
12 Oct
CFN14:30Donegal
30h 00m
2 stops
IAD15:30Washington, D.C. Dulles Intl
€1,034

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 29 May 2026.
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

Cheapest return flight

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 12/7

15:45-14:00

2 stops17h 15m

Donegal

Sun 19/7

14:30-19:25

2 stops33h 55m

€871

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 5/10

17:15-14:00

1 stop15h 45m

Donegal

Mon 12/10

14:30-15:30

2 stops30h 00m

€913
Fastest return journey

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 12/7

21:00-14:00

1 stop12h 00m

Donegal

Sun 19/7

07:55-15:45

1 stop12h 50m

€914

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 5/10

20:55-14:00

1 stop12h 05m

Donegal

Mon 12/10

14:30-15:45

1 stop30h 15m

€976

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 12/7

17:15-14:00

1 stop15h 45m

Donegal

Sun 19/7

14:30-15:10

2 stops29h 40m

€1,029

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 5/10

17:15-14:00

1 stop15h 45m

Donegal

Mon 12/10

14:30-15:30

2 stops30h 00m

€1,034

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 12/7

12:40-14:00

3 stops20h 20m

Donegal

Sun 19/7

07:55-15:10

3 stops36h 15m

€1,041

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 5/10

17:45-14:00

2 stops15h 15m

Donegal

Mon 12/10

14:30-15:55

2 stops30h 25m

€1,065

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Tue 25/8

19:25-14:00

2 stops13h 35m

Donegal

Thu 27/8

14:30-19:40

2 stops34h 10m

€1,224

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Tue 25/8

19:25-14:00

2 stops13h 35m

Donegal

Thu 27/8

14:30-19:40

2 stops34h 10m

€1,225

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Donegal takes 12h 15m
There are no direct flights from Washington, D.C. to Donegal. There are no popular flight routes from Washington, D.C. to Donegal.
Search flight deals

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

  • 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 15m.

  • 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.

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

  • 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
Killybegs

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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