YOW - WAS

Find cheap flights from Ottawa to Washington, D.C.

Return
1 adult
Economy
0 bags
Fri 30/6
Fri 7/7

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Good to know

Low season

May

High season

January

Cheapest flight

C$ 228

Average price round-trip

C$ 520

Good deal round-trip

C$ 743

Good deal one-way

C$ 320
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (21% more expensive on average)
Flight from Ottawa to Washington, D.C.
(avg. price over the last 2 weeks)
or less
or less

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

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight out of Ottawa

  • The cheapest flight from Ottawa to Washington, D.C. was found, on average, 44 days before departure.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be December, January and February. The cheapest month to fly is May.
  • Morning departure is around 43% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from Ottawa to Washington, D.C.

Book cheap flights from Ottawa to Washington, D.C.

Recent round-trip flight deals

22/8Tue
1 stopPorter Airlines
4h 27mYOW-IAD
29/8Tue
1 stopPorter Airlines
5h 59mIAD-YOW
C$ 411
15/8Tue
1 stopPorter Airlines
5h 27mYOW-IAD
22/8Tue
1 stopPorter Airlines
3h 24mIAD-YOW
C$ 413
21/8Mon
1 stopPorter Airlines
3h 17mYOW-IAD
30/8Wed
1 stopPorter Airlines
3h 24mIAD-YOW
C$ 423
2/7Sun
1 stopPorter Airlines
4h 47mYOW-IAD
9/7Sun
1 stopPorter Airlines
5h 24mIAD-YOW
C$ 424
1/9Fri
1 stopPorter Airlines
3h 17mYOW-IAD
5/9Tue
1 stopPorter Airlines
4h 19mIAD-YOW
C$ 425
28/7Fri
1 stopPorter Airlines
5h 27mYOW-IAD
30/7Sun
1 stopPorter Airlines
4h 29mIAD-YOW
C$ 428
10/8Thu
1 stopPorter Airlines
3h 17mYOW-IAD
14/8Mon
1 stopPorter Airlines
4h 19mIAD-YOW
C$ 434
22/8Tue
directUnited Airlines
1h 40mYOW-IAD
29/8Tue
1 stopUnited Airlines
4h 37mIAD-YOW
C$ 462
22/11Wed
1 stopAir Canada
4h 25mYOW-DCA
26/11Sun
directAir Canada
1h 41mDCA-YOW
C$ 473
22/11Wed
1 stopAir Canada
4h 25mYOW-DCA
26/11Sun
1 stopAir Canada
6h 16mDCA-YOW
C$ 481
22/11Wed
directMultiple Airlines
1h 51mYOW-DCA
26/11Sun
1 stopMultiple Airlines
5h 49mDCA-YOW
C$ 484
22/8Tue
directUnited Airlines
1h 40mYOW-IAD
30/8Wed
1 stopUnited Airlines
4h 37mIAD-YOW
C$ 484
1/9Fri
1 stopAir Canada
6h 01mYOW-DCA
5/9Tue
1 stopAir Canada
4h 38mDCA-YOW
C$ 489
22/11Wed
1 stopMultiple Airlines
13h 24mYOW-DCA
26/11Sun
1 stopMultiple Airlines
5h 49mDCA-YOW
C$ 491
1/9Fri
directAir Canada
1h 52mYOW-DCA
5/9Tue
1 stopAir Canada
3h 38mDCA-YOW
C$ 511
20/6Tue
1 stopUnited Airlines
5h 32mYOW-IAD
27/6Tue
1 stopUnited Airlines
4h 37mIAD-YOW
C$ 538
20/8Sun
directUnited Airlines
1h 40mYOW-IAD
28/8Mon
1 stopUnited Airlines
4h 37mIAD-YOW
C$ 546
29/7Sat
1 stopMultiple Airlines
8h 52mYOW-DCA
7/8Mon
1 stopMultiple Airlines
6h 14mDCA-YOW
C$ 598
14/6Wed
1 stopMultiple Airlines
13h 22mYOW-DCA
28/6Wed
1 stopMultiple Airlines
6h 14mDCA-YOW
C$ 608
1/9Fri
2 stopsWestJet
18h 30mYOW-DCA
5/9Tue
2 stopsWestJet
22h 30mDCA-YOW
C$ 850

Search by stops

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Recent one-way flight deals

21/6Wed
directAir Canada
1h 34mYOW-IAD
C$ 228
21/6Wed
1 stopAir Canada
5h 05mYOW-IAD
C$ 235
3/7Mon
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 239
11/7Tue
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 257
12/7Wed
1 stopPorter Airlines
3h 17mYOW-IAD
C$ 262
11/9Mon
directAir Canada
1h 44mYOW-IAD
C$ 264
22/9Fri
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 271
7/7Fri
1 stopPorter Airlines
3h 17mYOW-IAD
C$ 273
3/7Mon
1 stopAir Canada
4h 41mYOW-DCA
C$ 277
11/7Tue
1 stopUnited Airlines
10h 29mYOW-DCA
C$ 281
20/6Tue
directAir Canada
1h 34mYOW-IAD
C$ 283
22/9Fri
1 stopUnited Airlines
5h 29mYOW-DCA
C$ 284
20/6Tue
1 stopAir Canada
4h 31mYOW-IAD
C$ 298
12/6Mon
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 314
7/7Fri
1 stopUnited Airlines
7h 22mYOW-DCA
C$ 344
7/7Fri
directUnited Airlines
1h 40mYOW-IAD
C$ 372
10/7Mon
2 stopsMultiple Airlines
9h 46mYOW-BWI
C$ 397
3/7Mon
2 stopsMultiple Airlines
8h 46mYOW-BWI
C$ 415
11/9Mon
2 stopsMultiple Airlines
7h 50mYOW-DCA
C$ 424
5/8Sat
2 stopsWestJet
23h 35mYOW-DCA
C$ 519

Search by stops

Search by airline

Search by price

Ottawa - Washington, D.C. Flights

Departure:

Ottawa (YOW)Canada

Return flight deals:

Washington, D.C. - Ottawa

Cabin classes:

C$ 1,856
C$ 1,376
C$ 3,269
C$ 530

Browse origins:

C$ 411