United Flight UA688 Deals & Information (2025/2026)

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United Flight 688 Route Deals From $57

The cheapest prices found with in the last 7 days for return flights were $117 and $57 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Mon, Sep 8
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$117 Roundtrip, found 23 hours ago
$117
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Sep 4 from Orlando Intl. to Washington Dulles Intl., returning Mon, Sep 8, priced at $117 found 23 hours ago
Thu, Sep 25 - Tue, Sep 30
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$126 Roundtrip, found 6 days ago
$126
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 25 from Orlando Intl. to Washington Dulles Intl., returning Tue, Sep 30, priced at $126 found 6 days ago
Thu, Sep 25 - Tue, Sep 30
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$127 Roundtrip, found 6 days ago
$127
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 25 from Orlando Intl. to Washington Dulles Intl., returning Tue, Sep 30, priced at $127 found 6 days ago
Fri, Oct 3 - Mon, Oct 6
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$129 Roundtrip, found 2 days ago
$129
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 3 from Orlando Intl. to Washington Dulles Intl., returning Mon, Oct 6, priced at $129 found 2 days ago
Fri, Oct 3 - Mon, Oct 6
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 3 from Orlando Intl. to Washington Dulles Intl., returning Mon, Oct 6, priced at $136 found 2 days ago
Thu, Sep 25 - Tue, Sep 30
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 25 from Orlando Intl. to Washington Dulles Intl., returning Tue, Sep 30, priced at $137 found 6 days ago
Wed, Jul 30 - Tue, Aug 5
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$138 Roundtrip, found 16 hours ago
$138
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Jul 30 from Orlando Intl. to Washington Dulles Intl., returning Tue, Aug 5, priced at $138 found 16 hours ago
Fri, Oct 3 - Mon, Oct 6
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 3 from Orlando Intl. to Washington Dulles Intl., returning Mon, Oct 6, priced at $139 found 2 days ago
Mon, Jul 28 - Fri, Aug 8
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jul 28 from Orlando Intl. to Washington Dulles Intl., returning Fri, Aug 8, priced at $140 found 1 day ago
Wed, Jul 16 - Sat, Jul 19
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$147 Roundtrip, found 4 days ago
$147
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 16 from Orlando Intl. to Washington Dulles Intl., returning Sat, Jul 19, priced at $147 found 4 days ago

Frequently asked questions

What route does flight number UA688 take?
You’ll be arriving into O’Hare Airport from Louis Armstrong New Orleans Intl. Airport (MSY) if you’re traveling on flight number UA688. You’ll be in the sky for 2 hours and 30 minutes on this trip. It’s also worthwhile noting that the flight conveniently travels non-stop.
What kind of plane is on flight number UA688?
Get ready to climb aboard an Airbus A319 if you have a seat on flight UA688. Most flights from New Orleans, LA Airport (MSY-Louis Armstrong New Orleans Intl.) to Chicago, IL Airport (ORD-O’Hare Intl.) are operated using this type of plane.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA688 flight with Travelocity, please visit our Customer Service Portal.