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Cheap flights from Ottawa to Washington, D.C. from C$ 119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 17/12. 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

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Find the cheapest flights from Ottawa to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:50 a.m. - 12:23 a.m.YOW-BWI
13h 33m2 stops
Multiple Airlines Logo
8:00 p.m. - 1:18 p.m.BWI-YOW
17h 18m2 stops
C$ 373Multiple Airlines
Find Deal
jue., 4 dic. - lun., 8 dic.
Multiple Airlines Logo
7:00 a.m. - 9:22 a.m.YOW-BWI
26h 22m3 stops
Multiple Airlines Logo
8:30 p.m. - 12:25 a.m.BWI-YOW
27h 55m2 stops
C$ 384Multiple Airlines
Find Deal
dom., 7 dic. - mié., 10 dic.
Multiple Airlines Logo
4:20 p.m. - 7:42 a.m.YOW-BWI
15h 22m1 stop
Multiple Airlines Logo
10:40 a.m. - 5:13 p.m.BWI-YOW
30h 33m1 stop
C$ 395Multiple Airlines
Find Deal
dom., 7 dic. - mié., 10 dic.
Multiple Airlines Logo
10:50 a.m. - 12:23 a.m.YOW-BWI
13h 33m2 stops
Multiple Airlines Logo
10:27 a.m. - 1:18 p.m.BWI-YOW
26h 51m3 stops
C$ 401Multiple Airlines
Find Deal
jue., 4 dic. - lun., 8 dic.
Multiple Airlines Logo
4:15 p.m. - 12:55 p.m.YOW-BWI
20h 40m2 stops
Multiple Airlines Logo
5:40 a.m. - 5:25 p.m.BWI-YOW
11h 45m1 stop
C$ 409Multiple Airlines
Find Deal
lun., 17 nov. - jue., 20 nov.
Multiple Airlines Logo
9:30 a.m. - 9:35 a.m.YOW-BWI
24h 05m3 stops
Multiple Airlines Logo
8:00 p.m. - 4:23 p.m.BWI-YOW
20h 23m2 stops
C$ 415Multiple Airlines
Find Deal
jue., 4 dic. - lun., 8 dic.
Multiple Airlines Logo
4:15 p.m. - 6:55 p.m.YOW-BWI
26h 40m1 stop
Multiple Airlines Logo
7:06 p.m. - 12:25 a.m.BWI-YOW
29h 19m1 stop
C$ 422Multiple Airlines
Find Deal
lun., 8 dic. - sáb., 13 dic.
Multiple Airlines Logo
2:50 p.m. - 9:22 a.m.YOW-BWI
18h 32m2 stops
Multiple Airlines Logo
8:00 p.m. - 4:23 p.m.BWI-YOW
20h 23m2 stops
C$ 424Multiple Airlines
Find Deal
jue., 4 dic. - lun., 8 dic.
Multiple Airlines Logo
4:15 p.m. - 9:35 a.m.YOW-BWI
17h 20m1 stop
Multiple Airlines Logo
6:30 a.m. - 12:25 a.m.BWI-YOW
17h 55m1 stop
C$ 426Multiple Airlines
Find Deal
jue., 4 dic. - lun., 8 dic.
Multiple Airlines Logo
7:00 a.m. - 9:22 a.m.YOW-BWI
26h 22m3 stops
Multiple Airlines Logo
10:40 a.m. - 12:25 a.m.BWI-YOW
37h 45m3 stops
C$ 427Multiple Airlines
Find Deal
dom., 7 dic. - mié., 10 dic.

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Baltimore 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 96,600 searches. Data last updated 3 noviembre 2025.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

jue. 4/12

10:50 a.m.-12:23 a.m.

2 stops13h 33m

Baltimore/Washington

lun. 8/12

8:00 p.m.-1:18 p.m.

2 stops17h 18m

C$ 373

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

dom. 7/12

7:00 a.m.-9:22 a.m.

3 stops26h 22m

Baltimore/Washington

mié. 10/12

8:30 p.m.-12:25 a.m.

2 stops27h 55m

C$ 384

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

dom. 7/12

4:20 p.m.-7:42 a.m.

1 stop15h 22m

Baltimore/Washington

mié. 10/12

10:40 a.m.-5:13 p.m.

1 stop30h 33m

C$ 395

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

jue. 4/12

10:50 a.m.-12:23 a.m.

2 stops13h 33m

Baltimore/Washington

lun. 8/12

10:27 a.m.-1:18 p.m.

3 stops26h 51m

C$ 401

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

lun. 17/11

4:15 p.m.-12:55 p.m.

2 stops20h 40m

Baltimore/Washington

jue. 20/11

5:40 a.m.-5:25 p.m.

1 stop11h 45m

C$ 409

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

jue. 4/12

9:30 a.m.-9:35 a.m.

3 stops24h 05m

Baltimore/Washington

lun. 8/12

8:00 p.m.-4:23 p.m.

2 stops20h 23m

C$ 415

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

lun. 8/12

4:15 p.m.-6:55 p.m.

1 stop26h 40m

Baltimore/Washington

sáb. 13/12

7:06 p.m.-12:25 a.m.

1 stop29h 19m

C$ 422

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

jue. 4/12

2:50 p.m.-9:22 a.m.

2 stops18h 32m

Baltimore/Washington

lun. 8/12

8:00 p.m.-4:23 p.m.

2 stops20h 23m

C$ 424

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

jue. 4/12

4:15 p.m.-9:35 a.m.

1 stop17h 20m

Baltimore/Washington

lun. 8/12

6:30 a.m.-12:25 a.m.

1 stop17h 55m

C$ 426

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

dom. 7/12

7:00 a.m.-9:22 a.m.

3 stops26h 22m

Baltimore/Washington

mié. 10/12

10:40 a.m.-12:25 a.m.

3 stops37h 45m

C$ 427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Baltimore

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

What is the cheapest day to depart on your flight to Baltimore?

According to our data, Wednesday is the cheapest day to fly to Baltimore from Ottawa. The lowest ticket price found for a Wednesday departure recently was C$ 460. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,049.

What is the cheapest time of day to depart on your flight to Baltimore?

In the evening is the cheapest time of day to fly from Ottawa to Baltimore when you can find flight prices for as low as C$ 511. Flying to Baltimore in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Baltimore is in the afternoon when prices are around C$ 900.

When to book flights from Ottawa to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Baltimore (YOW to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Baltimore

Direct flights

None
There are no direct flights from Ottawa to Baltimore. There are no popular flight routes from Ottawa to Baltimore.
Search flight deals

  • How far is Ottawa to Baltimore/Washington by plane?

    There are 684.7 km between Ottawa and Baltimore/Washington. Flights usually cover this in 7h 29m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ottawa Airport to Baltimore/Washington Airport?

    Prices for flights from Ottawa Airport to Baltimore/Washington Airport refresh daily.

  • How many operators does momondo search for flights from Ottawa Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Ottawa Airport to Baltimore/Washington 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 Ottawa Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ottawa to Baltimore?

Best airlines flying from Ottawa to Baltimore

Compare and see reviews for airlines that fly from Ottawa to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 337Free CancellationRating
8.0
385 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 582Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Baltimore?

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

Can I find flights from Ottawa to Baltimore with flexible booking policies on momondo?

All flight searches from Ottawa to Baltimore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Baltimore?

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 Ottawa to Baltimore.

I’m not ready to book a flight from Ottawa to Baltimore right now. Can momondo alert me if prices change?

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

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mié. 3/12
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