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Cheap flights from Washington, D.C. to Donegal from €988

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 30/5. 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.
Aer Lingus Logo
17:15 - 20:00
IAD
-
CFN
21h 45m
1 stop
Aer Lingus Logo
07:55 - 19:00
CFN
-
IAD
16h 05m
1 stop
€988Aer Lingus
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
11:00 - 14:00
DCA
-
CFN
22h 00m
2 stops
Multiple Airlines Logo
07:55 - 15:39
CFN
-
DCA
12h 44m
2 stops
€1,155Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
16:05 - 20:00
IAD
-
CFN
22h 55m
2 stops
Multiple Airlines Logo
07:55 - 16:19
CFN
-
IAD
13h 24m
2 stops
€1,159Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
20:30 - 18:45
IAD
-
CFN
17h 15m
2 stops
Multiple Airlines Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
1 stop
€1,169Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
08:18 - 14:00
IAD
-
CFN
24h 42m
3 stops
Multiple Airlines Logo
14:30 - 21:26
CFN
-
IAD
35h 56m
2 stops
€1,233Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
20:30 - 20:00
BWI
-
CFN
18h 30m
2 stops
Multiple Airlines Logo
07:55 - 22:15
CFN
-
BWI
19h 20m
2 stops
€1,258Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
08:18 - 20:00
IAD
-
CFN
30h 42m
3 stops
Multiple Airlines Logo
14:30 - 19:20
CFN
-
IAD
33h 50m
3 stops
€1,274Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
23:20 - 20:00
BWI
-
CFN
15h 40m
3 stops
Multiple Airlines Logo
14:30 - 19:25
CFN
-
BWI
33h 55m
3 stops
€1,524Multiple Airlines
Sat, 30 May - Sat, 6 Jun
Multiple Airlines Logo
23:20 - 18:45
BWI
-
CFN
14h 25m
2 stops
Multiple Airlines Logo
14:30 - 19:25
CFN
-
BWI
33h 55m
3 stops
€1,550Multiple Airlines
Sat, 30 May - Sat, 6 Jun

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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 April 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

Sat 30/5

17:15-20:00

1 stop21h 45m

Donegal

Sat 6/6

07:55-19:00

1 stop16h 05m

€988
Fastest return journey

Washington, D.C.Donegal

DCA - CFN

DCACFN

Washington, D.C. Reagan-National

Sat 30/5

11:00-14:00

2 stops22h 00m

Donegal

Sat 6/6

07:55-15:39

2 stops12h 44m

€1,155

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 30/5

16:05-20:00

2 stops22h 55m

Donegal

Sat 6/6

07:55-16:19

2 stops13h 24m

€1,159

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 30/5

20:30-18:45

2 stops17h 15m

Donegal

Sat 6/6

14:30-15:45

1 stop30h 15m

€1,169

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 30/5

08:18-14:00

3 stops24h 42m

Donegal

Sat 6/6

14:30-21:26

2 stops35h 56m

€1,233

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Sat 30/5

20:30-20:00

2 stops18h 30m

Donegal

Sat 6/6

07:55-22:15

2 stops19h 20m

€1,258

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 30/5

08:18-20:00

3 stops30h 42m

Donegal

Sat 6/6

14:30-19:20

3 stops33h 50m

€1,274

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Sat 30/5

23:20-20:00

3 stops15h 40m

Donegal

Sat 6/6

14:30-19:25

3 stops33h 55m

€1,524

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Sat 30/5

23:20-18:45

2 stops14h 25m

Donegal

Sat 6/6

14:30-19:25

3 stops33h 55m

€1,550

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Donegal from

How to get the cheapest flight ticket from Washington, D.C. to Donegal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Donegal?

The average flight duration from Washington, D.C. to Donegal depends on which airport you fly into and out of. Flying from Baltimore to Donegal is 18h 30m on average, while flying from Washington, D.C. to Donegal is 21h 52m on average. Donegal is the most popular airport in Donegal.

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

18h 30m

Direct flights

None
The fastest flight from Washington, D.C. to Donegal takes 18h 30m
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 18h 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.

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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