United Flight 740 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 740 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $150 and $90 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 29 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$150 Roundtrip, found 4 days ago
$150
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 29 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $150 found 4 days ago
Wed, Oct 29 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$160 Roundtrip, found 4 days ago
$160
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 29 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $160 found 4 days ago
Wed, Oct 29 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$165 Roundtrip, found 4 days ago
$165
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 29 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $165 found 4 days ago
Wed, Oct 29 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$180 Roundtrip, found 4 days ago
$180
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 29 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $180 found 4 days ago
Fri, Feb 6 - Tue, Feb 10
IAH
George Bush Intercontinental
PDX
Portland Intl.
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 6 from George Bush Intercontinental to Portland Intl., returning Tue, Feb 10, priced at $191 found 6 days ago
Fri, Feb 6 - Tue, Feb 10
IAH
George Bush Intercontinental
PDX
Portland Intl.
$196 Roundtrip, found 6 days ago
$196
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 6 from George Bush Intercontinental to Portland Intl., returning Tue, Feb 10, priced at $196 found 6 days ago
Wed, Nov 12 - Wed, Nov 19
IAH
George Bush Intercontinental
PDX
Portland Intl.
$201 Roundtrip, found 3 hours ago
$201
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Nov 12 from George Bush Intercontinental to Portland Intl., returning Wed, Nov 19, priced at $201 found 3 hours ago
Sat, Oct 25 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 25 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $206 found 1 day ago
Wed, Nov 12 - Wed, Nov 19
IAH
George Bush Intercontinental
PDX
Portland Intl.
$210 Roundtrip, found 3 hours ago
$210
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Nov 12 from George Bush Intercontinental to Portland Intl., returning Wed, Nov 19, priced at $210 found 3 hours ago
Sun, Jan 25 - Sat, Jan 31
IAH
George Bush Intercontinental
PDX
Portland Intl.
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select United flight, departing Sun, Jan 25 from George Bush Intercontinental to Portland Intl., returning Sat, Jan 31, priced at $213 found 1 day ago
Sat, Oct 25 - Tue, Nov 4
IAH
George Bush Intercontinental
PDX
Portland Intl.
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 25 from George Bush Intercontinental to Portland Intl., returning Tue, Nov 4, priced at $215 found 1 day ago

Frequently asked questions

What route does flight number UA740 take?
UA740 is used on multiple routes, but the most common is between BNA and Washington, DC Airport (IAD-Washington Dulles Intl.). If your flight is direct, you'll disembark the plane in around 1 hour and 41 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What kind of plane is on flight number UA740?
If you've booked a seat on flight UA740 from BNA to Dulles Intl. Airport, there's a strong chance you'll be on board a Boeing 737-700. This flight number serves a number of different routes, but this is the most common one.
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 UA740 flight with Travelocity, please visit our Customer Service Portal.